diff options
author | Jonathan Neuschäfer <j.neuschaefer@gmx.net> | 2011-08-11 20:28:23 -0400 |
---|---|---|
committer | Richard Weinberger <richard@nod.at> | 2011-11-02 09:15:39 -0400 |
commit | 8a91db29252f87630e6f31a56ff96eeda00d5ba3 (patch) | |
tree | 217548fb8ec668d6ae113ec128eb286ec8a65df4 /Documentation/virtual | |
parent | 38b64aed786d59854ecc850ee5ece85b61dd252b (diff) |
UserModeLinux-HOWTO.txt: remove ^H characters
If you can't read this patch, please run:
sed -i -e "s/[^\o10]\o10//g" \
Documentation/virtual/uml/UserModeLinux-HOWTO.txt
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'Documentation/virtual')
-rw-r--r-- | Documentation/virtual/uml/UserModeLinux-HOWTO.txt | 530 |
1 files changed, 265 insertions, 265 deletions
diff --git a/Documentation/virtual/uml/UserModeLinux-HOWTO.txt b/Documentation/virtual/uml/UserModeLinux-HOWTO.txt index 5d0fc8bfcdb9..a7af9cf065e2 100644 --- a/Documentation/virtual/uml/UserModeLinux-HOWTO.txt +++ b/Documentation/virtual/uml/UserModeLinux-HOWTO.txt | |||
@@ -134,13 +134,13 @@ | |||
134 | 134 | ||
135 | ______________________________________________________________________ | 135 | ______________________________________________________________________ |
136 | 136 | ||
137 | 11.. IInnttrroodduuccttiioonn | 137 | 1. Introduction |
138 | 138 | ||
139 | Welcome to User Mode Linux. It's going to be fun. | 139 | Welcome to User Mode Linux. It's going to be fun. |
140 | 140 | ||
141 | 141 | ||
142 | 142 | ||
143 | 11..11.. HHooww iiss UUsseerr MMooddee LLiinnuuxx DDiiffffeerreenntt?? | 143 | 1.1. How is User Mode Linux Different? |
144 | 144 | ||
145 | Normally, the Linux Kernel talks straight to your hardware (video | 145 | Normally, the Linux Kernel talks straight to your hardware (video |
146 | card, keyboard, hard drives, etc), and any programs which run ask the | 146 | card, keyboard, hard drives, etc), and any programs which run ask the |
@@ -181,7 +181,7 @@ | |||
181 | 181 | ||
182 | 182 | ||
183 | 183 | ||
184 | 11..22.. WWhhyy WWoouulldd II WWaanntt UUsseerr MMooddee LLiinnuuxx?? | 184 | 1.2. Why Would I Want User Mode Linux? |
185 | 185 | ||
186 | 186 | ||
187 | 1. If User Mode Linux crashes, your host kernel is still fine. | 187 | 1. If User Mode Linux crashes, your host kernel is still fine. |
@@ -206,12 +206,12 @@ | |||
206 | 206 | ||
207 | 207 | ||
208 | 208 | ||
209 | 22.. CCoommppiilliinngg tthhee kkeerrnneell aanndd mmoodduulleess | 209 | 2. Compiling the kernel and modules |
210 | 210 | ||
211 | 211 | ||
212 | 212 | ||
213 | 213 | ||
214 | 22..11.. CCoommppiilliinngg tthhee kkeerrnneell | 214 | 2.1. Compiling the kernel |
215 | 215 | ||
216 | 216 | ||
217 | Compiling the user mode kernel is just like compiling any other | 217 | Compiling the user mode kernel is just like compiling any other |
@@ -322,7 +322,7 @@ | |||
322 | bug fixes and enhancements that have gone into subsequent releases. | 322 | bug fixes and enhancements that have gone into subsequent releases. |
323 | 323 | ||
324 | 324 | ||
325 | 22..22.. CCoommppiilliinngg aanndd iinnssttaalllliinngg kkeerrnneell mmoodduulleess | 325 | 2.2. Compiling and installing kernel modules |
326 | 326 | ||
327 | UML modules are built in the same way as the native kernel (with the | 327 | UML modules are built in the same way as the native kernel (with the |
328 | exception of the 'ARCH=um' that you always need for UML): | 328 | exception of the 'ARCH=um' that you always need for UML): |
@@ -386,19 +386,19 @@ | |||
386 | 386 | ||
387 | 387 | ||
388 | 388 | ||
389 | 22..33.. CCoommppiilliinngg aanndd iinnssttaalllliinngg uummll__uuttiilliittiieess | 389 | 2.3. Compiling and installing uml_utilities |
390 | 390 | ||
391 | Many features of the UML kernel require a user-space helper program, | 391 | Many features of the UML kernel require a user-space helper program, |
392 | so a uml_utilities package is distributed separately from the kernel | 392 | so a uml_utilities package is distributed separately from the kernel |
393 | patch which provides these helpers. Included within this is: | 393 | patch which provides these helpers. Included within this is: |
394 | 394 | ||
395 | +o port-helper - Used by consoles which connect to xterms or ports | 395 | o port-helper - Used by consoles which connect to xterms or ports |
396 | 396 | ||
397 | +o tunctl - Configuration tool to create and delete tap devices | 397 | o tunctl - Configuration tool to create and delete tap devices |
398 | 398 | ||
399 | +o uml_net - Setuid binary for automatic tap device configuration | 399 | o uml_net - Setuid binary for automatic tap device configuration |
400 | 400 | ||
401 | +o uml_switch - User-space virtual switch required for daemon | 401 | o uml_switch - User-space virtual switch required for daemon |
402 | transport | 402 | transport |
403 | 403 | ||
404 | The uml_utilities tree is compiled with: | 404 | The uml_utilities tree is compiled with: |
@@ -423,11 +423,11 @@ | |||
423 | 423 | ||
424 | 424 | ||
425 | 425 | ||
426 | 33.. RRuunnnniinngg UUMMLL aanndd llooggggiinngg iinn | 426 | 3. Running UML and logging in |
427 | 427 | ||
428 | 428 | ||
429 | 429 | ||
430 | 33..11.. RRuunnnniinngg UUMMLL | 430 | 3.1. Running UML |
431 | 431 | ||
432 | It runs on 2.2.15 or later, and all 2.4 kernels. | 432 | It runs on 2.2.15 or later, and all 2.4 kernels. |
433 | 433 | ||
@@ -454,7 +454,7 @@ | |||
454 | 454 | ||
455 | 455 | ||
456 | 456 | ||
457 | 33..22.. LLooggggiinngg iinn | 457 | 3.2. Logging in |
458 | 458 | ||
459 | 459 | ||
460 | 460 | ||
@@ -468,7 +468,7 @@ | |||
468 | 468 | ||
469 | There are a couple of other ways to log in: | 469 | There are a couple of other ways to log in: |
470 | 470 | ||
471 | +o On a virtual console | 471 | o On a virtual console |
472 | 472 | ||
473 | 473 | ||
474 | 474 | ||
@@ -480,7 +480,7 @@ | |||
480 | 480 | ||
481 | 481 | ||
482 | 482 | ||
483 | +o Over the serial line | 483 | o Over the serial line |
484 | 484 | ||
485 | 485 | ||
486 | In the boot output, find a line that looks like: | 486 | In the boot output, find a line that looks like: |
@@ -503,7 +503,7 @@ | |||
503 | 503 | ||
504 | 504 | ||
505 | 505 | ||
506 | +o Over the net | 506 | o Over the net |
507 | 507 | ||
508 | 508 | ||
509 | If the network is running, then you can telnet to the virtual | 509 | If the network is running, then you can telnet to the virtual |
@@ -514,13 +514,13 @@ | |||
514 | down and the process will exit. | 514 | down and the process will exit. |
515 | 515 | ||
516 | 516 | ||
517 | 33..33.. EExxaammpplleess | 517 | 3.3. Examples |
518 | 518 | ||
519 | Here are some examples of UML in action: | 519 | Here are some examples of UML in action: |
520 | 520 | ||
521 | +o A login session <http://user-mode-linux.sourceforge.net/login.html> | 521 | o A login session <http://user-mode-linux.sourceforge.net/login.html> |
522 | 522 | ||
523 | +o A virtual network <http://user-mode-linux.sourceforge.net/net.html> | 523 | o A virtual network <http://user-mode-linux.sourceforge.net/net.html> |
524 | 524 | ||
525 | 525 | ||
526 | 526 | ||
@@ -528,12 +528,12 @@ | |||
528 | 528 | ||
529 | 529 | ||
530 | 530 | ||
531 | 44.. UUMMLL oonn 22GG//22GG hhoossttss | 531 | 4. UML on 2G/2G hosts |
532 | 532 | ||
533 | 533 | ||
534 | 534 | ||
535 | 535 | ||
536 | 44..11.. IInnttrroodduuccttiioonn | 536 | 4.1. Introduction |
537 | 537 | ||
538 | 538 | ||
539 | Most Linux machines are configured so that the kernel occupies the | 539 | Most Linux machines are configured so that the kernel occupies the |
@@ -546,7 +546,7 @@ | |||
546 | 546 | ||
547 | 547 | ||
548 | 548 | ||
549 | 44..22.. TThhee pprroobblleemm | 549 | 4.2. The problem |
550 | 550 | ||
551 | 551 | ||
552 | The prebuilt UML binaries on this site will not run on 2G/2G hosts | 552 | The prebuilt UML binaries on this site will not run on 2G/2G hosts |
@@ -558,7 +558,7 @@ | |||
558 | 558 | ||
559 | 559 | ||
560 | 560 | ||
561 | 44..33.. TThhee ssoolluuttiioonn | 561 | 4.3. The solution |
562 | 562 | ||
563 | 563 | ||
564 | The fix for this is to rebuild UML from source after enabling | 564 | The fix for this is to rebuild UML from source after enabling |
@@ -576,7 +576,7 @@ | |||
576 | 576 | ||
577 | 577 | ||
578 | 578 | ||
579 | 55.. SSeettttiinngg uupp sseerriiaall lliinneess aanndd ccoonnssoolleess | 579 | 5. Setting up serial lines and consoles |
580 | 580 | ||
581 | 581 | ||
582 | It is possible to attach UML serial lines and consoles to many types | 582 | It is possible to attach UML serial lines and consoles to many types |
@@ -586,12 +586,12 @@ | |||
586 | You can attach them to host ptys, ttys, file descriptors, and ports. | 586 | You can attach them to host ptys, ttys, file descriptors, and ports. |
587 | This allows you to do things like | 587 | This allows you to do things like |
588 | 588 | ||
589 | +o have a UML console appear on an unused host console, | 589 | o have a UML console appear on an unused host console, |
590 | 590 | ||
591 | +o hook two virtual machines together by having one attach to a pty | 591 | o hook two virtual machines together by having one attach to a pty |
592 | and having the other attach to the corresponding tty | 592 | and having the other attach to the corresponding tty |
593 | 593 | ||
594 | +o make a virtual machine accessible from the net by attaching a | 594 | o make a virtual machine accessible from the net by attaching a |
595 | console to a port on the host. | 595 | console to a port on the host. |
596 | 596 | ||
597 | 597 | ||
@@ -599,7 +599,7 @@ | |||
599 | 599 | ||
600 | 600 | ||
601 | 601 | ||
602 | 55..11.. SSppeecciiffyyiinngg tthhee ddeevviiccee | 602 | 5.1. Specifying the device |
603 | 603 | ||
604 | Devices are specified with "con" or "ssl" (console or serial line, | 604 | Devices are specified with "con" or "ssl" (console or serial line, |
605 | respectively), optionally with a device number if you are talking | 605 | respectively), optionally with a device number if you are talking |
@@ -626,13 +626,13 @@ | |||
626 | 626 | ||
627 | 627 | ||
628 | 628 | ||
629 | 55..22.. SSppeecciiffyyiinngg tthhee cchhaannnneell | 629 | 5.2. Specifying the channel |
630 | 630 | ||
631 | There are a number of different types of channels to attach a UML | 631 | There are a number of different types of channels to attach a UML |
632 | device to, each with a different way of specifying exactly what to | 632 | device to, each with a different way of specifying exactly what to |
633 | attach to. | 633 | attach to. |
634 | 634 | ||
635 | +o pseudo-terminals - device=pty pts terminals - device=pts | 635 | o pseudo-terminals - device=pty pts terminals - device=pts |
636 | 636 | ||
637 | 637 | ||
638 | This will cause UML to allocate a free host pseudo-terminal for the | 638 | This will cause UML to allocate a free host pseudo-terminal for the |
@@ -640,20 +640,20 @@ | |||
640 | log. You access it by attaching a terminal program to the | 640 | log. You access it by attaching a terminal program to the |
641 | corresponding tty: | 641 | corresponding tty: |
642 | 642 | ||
643 | +o screen /dev/pts/n | 643 | o screen /dev/pts/n |
644 | 644 | ||
645 | +o screen /dev/ttyxx | 645 | o screen /dev/ttyxx |
646 | 646 | ||
647 | +o minicom -o -p /dev/ttyxx - minicom seems not able to handle pts | 647 | o minicom -o -p /dev/ttyxx - minicom seems not able to handle pts |
648 | devices | 648 | devices |
649 | 649 | ||
650 | +o kermit - start it up, 'open' the device, then 'connect' | 650 | o kermit - start it up, 'open' the device, then 'connect' |
651 | 651 | ||
652 | 652 | ||
653 | 653 | ||
654 | 654 | ||
655 | 655 | ||
656 | +o terminals - device=tty:tty device file | 656 | o terminals - device=tty:tty device file |
657 | 657 | ||
658 | 658 | ||
659 | This will make UML attach the device to the specified tty (i.e | 659 | This will make UML attach the device to the specified tty (i.e |
@@ -672,7 +672,7 @@ | |||
672 | 672 | ||
673 | 673 | ||
674 | 674 | ||
675 | +o xterms - device=xterm | 675 | o xterms - device=xterm |
676 | 676 | ||
677 | 677 | ||
678 | UML will run an xterm and the device will be attached to it. | 678 | UML will run an xterm and the device will be attached to it. |
@@ -681,7 +681,7 @@ | |||
681 | 681 | ||
682 | 682 | ||
683 | 683 | ||
684 | +o Port - device=port:port number | 684 | o Port - device=port:port number |
685 | 685 | ||
686 | 686 | ||
687 | This will attach the UML devices to the specified host port. | 687 | This will attach the UML devices to the specified host port. |
@@ -725,7 +725,7 @@ | |||
725 | 725 | ||
726 | 726 | ||
727 | 727 | ||
728 | +o already-existing file descriptors - device=file descriptor | 728 | o already-existing file descriptors - device=file descriptor |
729 | 729 | ||
730 | 730 | ||
731 | If you set up a file descriptor on the UML command line, you can | 731 | If you set up a file descriptor on the UML command line, you can |
@@ -743,7 +743,7 @@ | |||
743 | 743 | ||
744 | 744 | ||
745 | 745 | ||
746 | +o Nothing - device=null | 746 | o Nothing - device=null |
747 | 747 | ||
748 | 748 | ||
749 | This allows the device to be opened, in contrast to 'none', but | 749 | This allows the device to be opened, in contrast to 'none', but |
@@ -754,7 +754,7 @@ | |||
754 | 754 | ||
755 | 755 | ||
756 | 756 | ||
757 | +o None - device=none | 757 | o None - device=none |
758 | 758 | ||
759 | 759 | ||
760 | This causes the device to disappear. | 760 | This causes the device to disappear. |
@@ -785,7 +785,7 @@ | |||
785 | 785 | ||
786 | 786 | ||
787 | 787 | ||
788 | 55..33.. EExxaammpplleess | 788 | 5.3. Examples |
789 | 789 | ||
790 | There are a number of interesting things you can do with this | 790 | There are a number of interesting things you can do with this |
791 | capability. | 791 | capability. |
@@ -838,7 +838,7 @@ | |||
838 | prompt of the other virtual machine. | 838 | prompt of the other virtual machine. |
839 | 839 | ||
840 | 840 | ||
841 | 66.. SSeettttiinngg uupp tthhee nneettwwoorrkk | 841 | 6. Setting up the network |
842 | 842 | ||
843 | 843 | ||
844 | 844 | ||
@@ -858,19 +858,19 @@ | |||
858 | There are currently five transport types available for a UML virtual | 858 | There are currently five transport types available for a UML virtual |
859 | machine to exchange packets with other hosts: | 859 | machine to exchange packets with other hosts: |
860 | 860 | ||
861 | +o ethertap | 861 | o ethertap |
862 | 862 | ||
863 | +o TUN/TAP | 863 | o TUN/TAP |
864 | 864 | ||
865 | +o Multicast | 865 | o Multicast |
866 | 866 | ||
867 | +o a switch daemon | 867 | o a switch daemon |
868 | 868 | ||
869 | +o slip | 869 | o slip |
870 | 870 | ||
871 | +o slirp | 871 | o slirp |
872 | 872 | ||
873 | +o pcap | 873 | o pcap |
874 | 874 | ||
875 | The TUN/TAP, ethertap, slip, and slirp transports allow a UML | 875 | The TUN/TAP, ethertap, slip, and slirp transports allow a UML |
876 | instance to exchange packets with the host. They may be directed | 876 | instance to exchange packets with the host. They may be directed |
@@ -893,28 +893,28 @@ | |||
893 | With so many host transports, which one should you use? Here's when | 893 | With so many host transports, which one should you use? Here's when |
894 | you should use each one: | 894 | you should use each one: |
895 | 895 | ||
896 | +o ethertap - if you want access to the host networking and it is | 896 | o ethertap - if you want access to the host networking and it is |
897 | running 2.2 | 897 | running 2.2 |
898 | 898 | ||
899 | +o TUN/TAP - if you want access to the host networking and it is | 899 | o TUN/TAP - if you want access to the host networking and it is |
900 | running 2.4. Also, the TUN/TAP transport is able to use a | 900 | running 2.4. Also, the TUN/TAP transport is able to use a |
901 | preconfigured device, allowing it to avoid using the setuid uml_net | 901 | preconfigured device, allowing it to avoid using the setuid uml_net |
902 | helper, which is a security advantage. | 902 | helper, which is a security advantage. |
903 | 903 | ||
904 | +o Multicast - if you want a purely virtual network and you don't want | 904 | o Multicast - if you want a purely virtual network and you don't want |
905 | to set up anything but the UML | 905 | to set up anything but the UML |
906 | 906 | ||
907 | +o a switch daemon - if you want a purely virtual network and you | 907 | o a switch daemon - if you want a purely virtual network and you |
908 | don't mind running the daemon in order to get somewhat better | 908 | don't mind running the daemon in order to get somewhat better |
909 | performance | 909 | performance |
910 | 910 | ||
911 | +o slip - there is no particular reason to run the slip backend unless | 911 | o slip - there is no particular reason to run the slip backend unless |
912 | ethertap and TUN/TAP are just not available for some reason | 912 | ethertap and TUN/TAP are just not available for some reason |
913 | 913 | ||
914 | +o slirp - if you don't have root access on the host to setup | 914 | o slirp - if you don't have root access on the host to setup |
915 | networking, or if you don't want to allocate an IP to your UML | 915 | networking, or if you don't want to allocate an IP to your UML |
916 | 916 | ||
917 | +o pcap - not much use for actual network connectivity, but great for | 917 | o pcap - not much use for actual network connectivity, but great for |
918 | monitoring traffic on the host | 918 | monitoring traffic on the host |
919 | 919 | ||
920 | Ethertap is available on 2.4 and works fine. TUN/TAP is preferred | 920 | Ethertap is available on 2.4 and works fine. TUN/TAP is preferred |
@@ -926,7 +926,7 @@ | |||
926 | exploit the helper's root privileges. | 926 | exploit the helper's root privileges. |
927 | 927 | ||
928 | 928 | ||
929 | 66..11.. GGeenneerraall sseettuupp | 929 | 6.1. General setup |
930 | 930 | ||
931 | First, you must have the virtual network enabled in your UML. If are | 931 | First, you must have the virtual network enabled in your UML. If are |
932 | running a prebuilt kernel from this site, everything is already | 932 | running a prebuilt kernel from this site, everything is already |
@@ -995,7 +995,7 @@ | |||
995 | 995 | ||
996 | 996 | ||
997 | 997 | ||
998 | 66..22.. UUsseerrssppaaccee ddaaeemmoonnss | 998 | 6.2. Userspace daemons |
999 | 999 | ||
1000 | You will likely need the setuid helper, or the switch daemon, or both. | 1000 | You will likely need the setuid helper, or the switch daemon, or both. |
1001 | They are both installed with the RPM and deb, so if you've installed | 1001 | They are both installed with the RPM and deb, so if you've installed |
@@ -1011,7 +1011,7 @@ | |||
1011 | 1011 | ||
1012 | 1012 | ||
1013 | 1013 | ||
1014 | 66..33.. SSppeecciiffyyiinngg eetthheerrnneett aaddddrreesssseess | 1014 | 6.3. Specifying ethernet addresses |
1015 | 1015 | ||
1016 | Below, you will see that the TUN/TAP, ethertap, and daemon interfaces | 1016 | Below, you will see that the TUN/TAP, ethertap, and daemon interfaces |
1017 | allow you to specify hardware addresses for the virtual ethernet | 1017 | allow you to specify hardware addresses for the virtual ethernet |
@@ -1023,11 +1023,11 @@ | |||
1023 | sufficient to guarantee a unique hardware address for the device. A | 1023 | sufficient to guarantee a unique hardware address for the device. A |
1024 | couple of exceptions are: | 1024 | couple of exceptions are: |
1025 | 1025 | ||
1026 | +o Another set of virtual ethernet devices are on the same network and | 1026 | o Another set of virtual ethernet devices are on the same network and |
1027 | they are assigned hardware addresses using a different scheme which | 1027 | they are assigned hardware addresses using a different scheme which |
1028 | may conflict with the UML IP address-based scheme | 1028 | may conflict with the UML IP address-based scheme |
1029 | 1029 | ||
1030 | +o You aren't going to use the device for IP networking, so you don't | 1030 | o You aren't going to use the device for IP networking, so you don't |
1031 | assign the device an IP address | 1031 | assign the device an IP address |
1032 | 1032 | ||
1033 | If you let the driver provide the hardware address, you should make | 1033 | If you let the driver provide the hardware address, you should make |
@@ -1049,7 +1049,7 @@ | |||
1049 | 1049 | ||
1050 | 1050 | ||
1051 | 1051 | ||
1052 | 66..44.. UUMMLL iinntteerrffaaccee sseettuupp | 1052 | 6.4. UML interface setup |
1053 | 1053 | ||
1054 | Once the network devices have been described on the command line, you | 1054 | Once the network devices have been described on the command line, you |
1055 | should boot UML and log in. | 1055 | should boot UML and log in. |
@@ -1131,7 +1131,7 @@ | |||
1131 | 1131 | ||
1132 | 1132 | ||
1133 | 1133 | ||
1134 | 66..55.. MMuullttiiccaasstt | 1134 | 6.5. Multicast |
1135 | 1135 | ||
1136 | The simplest way to set up a virtual network between multiple UMLs is | 1136 | The simplest way to set up a virtual network between multiple UMLs is |
1137 | to use the mcast transport. This was written by Harald Welte and is | 1137 | to use the mcast transport. This was written by Harald Welte and is |
@@ -1194,7 +1194,7 @@ | |||
1194 | 1194 | ||
1195 | 1195 | ||
1196 | 1196 | ||
1197 | 66..66.. TTUUNN//TTAAPP wwiitthh tthhee uummll__nneett hheellppeerr | 1197 | 6.6. TUN/TAP with the uml_net helper |
1198 | 1198 | ||
1199 | TUN/TAP is the preferred mechanism on 2.4 to exchange packets with the | 1199 | TUN/TAP is the preferred mechanism on 2.4 to exchange packets with the |
1200 | host. The TUN/TAP backend has been in UML since 2.4.9-3um. | 1200 | host. The TUN/TAP backend has been in UML since 2.4.9-3um. |
@@ -1247,10 +1247,10 @@ | |||
1247 | There are a couple potential problems with running the TUN/TAP | 1247 | There are a couple potential problems with running the TUN/TAP |
1248 | transport on a 2.4 host kernel | 1248 | transport on a 2.4 host kernel |
1249 | 1249 | ||
1250 | +o TUN/TAP seems not to work on 2.4.3 and earlier. Upgrade the host | 1250 | o TUN/TAP seems not to work on 2.4.3 and earlier. Upgrade the host |
1251 | kernel or use the ethertap transport. | 1251 | kernel or use the ethertap transport. |
1252 | 1252 | ||
1253 | +o With an upgraded kernel, TUN/TAP may fail with | 1253 | o With an upgraded kernel, TUN/TAP may fail with |
1254 | 1254 | ||
1255 | 1255 | ||
1256 | File descriptor in bad state | 1256 | File descriptor in bad state |
@@ -1269,7 +1269,7 @@ | |||
1269 | 1269 | ||
1270 | 1270 | ||
1271 | 1271 | ||
1272 | 66..77.. TTUUNN//TTAAPP wwiitthh aa pprreeccoonnffiigguurreedd ttaapp ddeevviiccee | 1272 | 6.7. TUN/TAP with a preconfigured tap device |
1273 | 1273 | ||
1274 | If you prefer not to have UML use uml_net (which is somewhat | 1274 | If you prefer not to have UML use uml_net (which is somewhat |
1275 | insecure), with UML 2.4.17-11, you can set up a TUN/TAP device | 1275 | insecure), with UML 2.4.17-11, you can set up a TUN/TAP device |
@@ -1277,7 +1277,7 @@ | |||
1277 | there is no need for root assistance. Setting up the device is done | 1277 | there is no need for root assistance. Setting up the device is done |
1278 | as follows: | 1278 | as follows: |
1279 | 1279 | ||
1280 | +o Create the device with tunctl (available from the UML utilities | 1280 | o Create the device with tunctl (available from the UML utilities |
1281 | tarball) | 1281 | tarball) |
1282 | 1282 | ||
1283 | 1283 | ||
@@ -1291,7 +1291,7 @@ | |||
1291 | where uid is the user id or username that UML will be run as. This | 1291 | where uid is the user id or username that UML will be run as. This |
1292 | will tell you what device was created. | 1292 | will tell you what device was created. |
1293 | 1293 | ||
1294 | +o Configure the device IP (change IP addresses and device name to | 1294 | o Configure the device IP (change IP addresses and device name to |
1295 | suit) | 1295 | suit) |
1296 | 1296 | ||
1297 | 1297 | ||
@@ -1303,7 +1303,7 @@ | |||
1303 | 1303 | ||
1304 | 1304 | ||
1305 | 1305 | ||
1306 | +o Set up routing and arping if desired - this is my recipe, there are | 1306 | o Set up routing and arping if desired - this is my recipe, there are |
1307 | other ways of doing the same thing | 1307 | other ways of doing the same thing |
1308 | 1308 | ||
1309 | 1309 | ||
@@ -1338,7 +1338,7 @@ | |||
1338 | utility which reads the information from a config file and sets up | 1338 | utility which reads the information from a config file and sets up |
1339 | devices at boot time. | 1339 | devices at boot time. |
1340 | 1340 | ||
1341 | +o Rather than using up two IPs and ARPing for one of them, you can | 1341 | o Rather than using up two IPs and ARPing for one of them, you can |
1342 | also provide direct access to your LAN by the UML by using a | 1342 | also provide direct access to your LAN by the UML by using a |
1343 | bridge. | 1343 | bridge. |
1344 | 1344 | ||
@@ -1417,7 +1417,7 @@ | |||
1417 | Note that 'br0' should be setup using ifconfig with the existing IP | 1417 | Note that 'br0' should be setup using ifconfig with the existing IP |
1418 | address of eth0, as eth0 no longer has its own IP. | 1418 | address of eth0, as eth0 no longer has its own IP. |
1419 | 1419 | ||
1420 | +o | 1420 | o |
1421 | 1421 | ||
1422 | 1422 | ||
1423 | Also, the /dev/net/tun device must be writable by the user running | 1423 | Also, the /dev/net/tun device must be writable by the user running |
@@ -1438,11 +1438,11 @@ | |||
1438 | devices and chgrp /dev/net/tun to that group with mode 664 or 660. | 1438 | devices and chgrp /dev/net/tun to that group with mode 664 or 660. |
1439 | 1439 | ||
1440 | 1440 | ||
1441 | +o Once the device is set up, run UML with 'eth0=tuntap,device name' | 1441 | o Once the device is set up, run UML with 'eth0=tuntap,device name' |
1442 | (i.e. 'eth0=tuntap,tap0') on the command line (or do it with the | 1442 | (i.e. 'eth0=tuntap,tap0') on the command line (or do it with the |
1443 | mconsole config command). | 1443 | mconsole config command). |
1444 | 1444 | ||
1445 | +o Bring the eth device up in UML and you're in business. | 1445 | o Bring the eth device up in UML and you're in business. |
1446 | 1446 | ||
1447 | If you don't want that tap device any more, you can make it non- | 1447 | If you don't want that tap device any more, you can make it non- |
1448 | persistent with | 1448 | persistent with |
@@ -1465,7 +1465,7 @@ | |||
1465 | 1465 | ||
1466 | 1466 | ||
1467 | 1467 | ||
1468 | 66..88.. EEtthheerrttaapp | 1468 | 6.8. Ethertap |
1469 | 1469 | ||
1470 | Ethertap is the general mechanism on 2.2 for userspace processes to | 1470 | Ethertap is the general mechanism on 2.2 for userspace processes to |
1471 | exchange packets with the kernel. | 1471 | exchange packets with the kernel. |
@@ -1561,9 +1561,9 @@ | |||
1561 | 1561 | ||
1562 | 1562 | ||
1563 | 1563 | ||
1564 | 66..99.. TThhee sswwiittcchh ddaaeemmoonn | 1564 | 6.9. The switch daemon |
1565 | 1565 | ||
1566 | NNoottee: This is the daemon formerly known as uml_router, but which was | 1566 | Note: This is the daemon formerly known as uml_router, but which was |
1567 | renamed so the network weenies of the world would stop growling at me. | 1567 | renamed so the network weenies of the world would stop growling at me. |
1568 | 1568 | ||
1569 | 1569 | ||
@@ -1649,7 +1649,7 @@ | |||
1649 | 1649 | ||
1650 | 1650 | ||
1651 | 1651 | ||
1652 | 66..1100.. SSlliipp | 1652 | 6.10. Slip |
1653 | 1653 | ||
1654 | Slip is another, less general, mechanism for a process to communicate | 1654 | Slip is another, less general, mechanism for a process to communicate |
1655 | with the host networking. In contrast to the ethertap interface, | 1655 | with the host networking. In contrast to the ethertap interface, |
@@ -1681,7 +1681,7 @@ | |||
1681 | 1681 | ||
1682 | 1682 | ||
1683 | 1683 | ||
1684 | 66..1111.. SSlliirrpp | 1684 | 6.11. Slirp |
1685 | 1685 | ||
1686 | slirp uses an external program, usually /usr/bin/slirp, to provide IP | 1686 | slirp uses an external program, usually /usr/bin/slirp, to provide IP |
1687 | only networking connectivity through the host. This is similar to IP | 1687 | only networking connectivity through the host. This is similar to IP |
@@ -1737,7 +1737,7 @@ | |||
1737 | 1737 | ||
1738 | 1738 | ||
1739 | 1739 | ||
1740 | 66..1122.. ppccaapp | 1740 | 6.12. pcap |
1741 | 1741 | ||
1742 | The pcap transport is attached to a UML ethernet device on the command | 1742 | The pcap transport is attached to a UML ethernet device on the command |
1743 | line or with uml_mconsole with the following syntax: | 1743 | line or with uml_mconsole with the following syntax: |
@@ -1777,7 +1777,7 @@ | |||
1777 | 1777 | ||
1778 | 1778 | ||
1779 | 1779 | ||
1780 | 66..1133.. SSeettttiinngg uupp tthhee hhoosstt yyoouurrsseellff | 1780 | 6.13. Setting up the host yourself |
1781 | 1781 | ||
1782 | If you don't specify an address for the host side of the ethertap or | 1782 | If you don't specify an address for the host side of the ethertap or |
1783 | slip device, UML won't do any setup on the host. So this is what is | 1783 | slip device, UML won't do any setup on the host. So this is what is |
@@ -1785,7 +1785,7 @@ | |||
1785 | 192.168.0.251 and a UML-side IP of 192.168.0.250 - adjust to suit your | 1785 | 192.168.0.251 and a UML-side IP of 192.168.0.250 - adjust to suit your |
1786 | own network): | 1786 | own network): |
1787 | 1787 | ||
1788 | +o The device needs to be configured with its IP address. Tap devices | 1788 | o The device needs to be configured with its IP address. Tap devices |
1789 | are also configured with an mtu of 1484. Slip devices are | 1789 | are also configured with an mtu of 1484. Slip devices are |
1790 | configured with a point-to-point address pointing at the UML ip | 1790 | configured with a point-to-point address pointing at the UML ip |
1791 | address. | 1791 | address. |
@@ -1805,7 +1805,7 @@ | |||
1805 | 1805 | ||
1806 | 1806 | ||
1807 | 1807 | ||
1808 | +o If a tap device is being set up, a route is set to the UML IP. | 1808 | o If a tap device is being set up, a route is set to the UML IP. |
1809 | 1809 | ||
1810 | 1810 | ||
1811 | UML# route add -host 192.168.0.250 gw 192.168.0.251 | 1811 | UML# route add -host 192.168.0.250 gw 192.168.0.251 |
@@ -1814,7 +1814,7 @@ | |||
1814 | 1814 | ||
1815 | 1815 | ||
1816 | 1816 | ||
1817 | +o To allow other hosts on your network to see the virtual machine, | 1817 | o To allow other hosts on your network to see the virtual machine, |
1818 | proxy arp is set up for it. | 1818 | proxy arp is set up for it. |
1819 | 1819 | ||
1820 | 1820 | ||
@@ -1824,7 +1824,7 @@ | |||
1824 | 1824 | ||
1825 | 1825 | ||
1826 | 1826 | ||
1827 | +o Finally, the host is set up to route packets. | 1827 | o Finally, the host is set up to route packets. |
1828 | 1828 | ||
1829 | 1829 | ||
1830 | host# echo 1 > /proc/sys/net/ipv4/ip_forward | 1830 | host# echo 1 > /proc/sys/net/ipv4/ip_forward |
@@ -1838,12 +1838,12 @@ | |||
1838 | 1838 | ||
1839 | 1839 | ||
1840 | 1840 | ||
1841 | 77.. SShhaarriinngg FFiilleessyysstteemmss bbeettwweeeenn VViirrttuuaall MMaacchhiinneess | 1841 | 7. Sharing Filesystems between Virtual Machines |
1842 | 1842 | ||
1843 | 1843 | ||
1844 | 1844 | ||
1845 | 1845 | ||
1846 | 77..11.. AA wwaarrnniinngg | 1846 | 7.1. A warning |
1847 | 1847 | ||
1848 | Don't attempt to share filesystems simply by booting two UMLs from the | 1848 | Don't attempt to share filesystems simply by booting two UMLs from the |
1849 | same file. That's the same thing as booting two physical machines | 1849 | same file. That's the same thing as booting two physical machines |
@@ -1851,7 +1851,7 @@ | |||
1851 | 1851 | ||
1852 | 1852 | ||
1853 | 1853 | ||
1854 | 77..22.. UUssiinngg llaayyeerreedd bblloocckk ddeevviicceess | 1854 | 7.2. Using layered block devices |
1855 | 1855 | ||
1856 | The way to share a filesystem between two virtual machines is to use | 1856 | The way to share a filesystem between two virtual machines is to use |
1857 | the copy-on-write (COW) layering capability of the ubd block driver. | 1857 | the copy-on-write (COW) layering capability of the ubd block driver. |
@@ -1896,7 +1896,7 @@ | |||
1896 | 1896 | ||
1897 | 1897 | ||
1898 | 1898 | ||
1899 | 77..33.. NNoottee!! | 1899 | 7.3. Note! |
1900 | 1900 | ||
1901 | When checking the size of the COW file in order to see the gobs of | 1901 | When checking the size of the COW file in order to see the gobs of |
1902 | space that you're saving, make sure you use 'ls -ls' to see the actual | 1902 | space that you're saving, make sure you use 'ls -ls' to see the actual |
@@ -1926,7 +1926,7 @@ | |||
1926 | 1926 | ||
1927 | 1927 | ||
1928 | 1928 | ||
1929 | 77..44.. AAnnootthheerr wwaarrnniinngg | 1929 | 7.4. Another warning |
1930 | 1930 | ||
1931 | Once a filesystem is being used as a readonly backing file for a COW | 1931 | Once a filesystem is being used as a readonly backing file for a COW |
1932 | file, do not boot directly from it or modify it in any way. Doing so | 1932 | file, do not boot directly from it or modify it in any way. Doing so |
@@ -1952,7 +1952,7 @@ | |||
1952 | 1952 | ||
1953 | 1953 | ||
1954 | 1954 | ||
1955 | 77..55.. uummll__mmoooo :: MMeerrggiinngg aa CCOOWW ffiillee wwiitthh iittss bbaacckkiinngg ffiillee | 1955 | 7.5. uml_moo : Merging a COW file with its backing file |
1956 | 1956 | ||
1957 | Depending on how you use UML and COW devices, it may be advisable to | 1957 | Depending on how you use UML and COW devices, it may be advisable to |
1958 | merge the changes in the COW file into the backing file every once in | 1958 | merge the changes in the COW file into the backing file every once in |
@@ -2001,7 +2001,7 @@ | |||
2001 | 2001 | ||
2002 | 2002 | ||
2003 | 2003 | ||
2004 | 88.. CCrreeaattiinngg ffiilleessyysstteemmss | 2004 | 8. Creating filesystems |
2005 | 2005 | ||
2006 | 2006 | ||
2007 | You may want to create and mount new UML filesystems, either because | 2007 | You may want to create and mount new UML filesystems, either because |
@@ -2015,7 +2015,7 @@ | |||
2015 | should be easy to translate to the filesystem of your choice. | 2015 | should be easy to translate to the filesystem of your choice. |
2016 | 2016 | ||
2017 | 2017 | ||
2018 | 88..11.. CCrreeaattee tthhee ffiilleessyysstteemm ffiillee | 2018 | 8.1. Create the filesystem file |
2019 | 2019 | ||
2020 | dd is your friend. All you need to do is tell dd to create an empty | 2020 | dd is your friend. All you need to do is tell dd to create an empty |
2021 | file of the appropriate size. I usually make it sparse to save time | 2021 | file of the appropriate size. I usually make it sparse to save time |
@@ -2032,7 +2032,7 @@ | |||
2032 | 2032 | ||
2033 | 2033 | ||
2034 | 2034 | ||
2035 | 88..22.. AAssssiiggnn tthhee ffiillee ttoo aa UUMMLL ddeevviiccee | 2035 | 8.2. Assign the file to a UML device |
2036 | 2036 | ||
2037 | Add an argument like the following to the UML command line: | 2037 | Add an argument like the following to the UML command line: |
2038 | 2038 | ||
@@ -2045,7 +2045,7 @@ | |||
2045 | 2045 | ||
2046 | 2046 | ||
2047 | 2047 | ||
2048 | 88..33.. CCrreeaattiinngg aanndd mmoouunnttiinngg tthhee ffiilleessyysstteemm | 2048 | 8.3. Creating and mounting the filesystem |
2049 | 2049 | ||
2050 | Make sure that the filesystem is available, either by being built into | 2050 | Make sure that the filesystem is available, either by being built into |
2051 | the kernel, or available as a module, then boot up UML and log in. If | 2051 | the kernel, or available as a module, then boot up UML and log in. If |
@@ -2096,7 +2096,7 @@ | |||
2096 | 2096 | ||
2097 | 2097 | ||
2098 | 2098 | ||
2099 | 99.. HHoosstt ffiillee aacccceessss | 2099 | 9. Host file access |
2100 | 2100 | ||
2101 | 2101 | ||
2102 | If you want to access files on the host machine from inside UML, you | 2102 | If you want to access files on the host machine from inside UML, you |
@@ -2112,7 +2112,7 @@ | |||
2112 | files contained in it just as you would on the host. | 2112 | files contained in it just as you would on the host. |
2113 | 2113 | ||
2114 | 2114 | ||
2115 | 99..11.. UUssiinngg hhoossttffss | 2115 | 9.1. Using hostfs |
2116 | 2116 | ||
2117 | To begin with, make sure that hostfs is available inside the virtual | 2117 | To begin with, make sure that hostfs is available inside the virtual |
2118 | machine with | 2118 | machine with |
@@ -2151,7 +2151,7 @@ | |||
2151 | 2151 | ||
2152 | 2152 | ||
2153 | 2153 | ||
2154 | 99..22.. hhoossttffss aass tthhee rroooott ffiilleessyysstteemm | 2154 | 9.2. hostfs as the root filesystem |
2155 | 2155 | ||
2156 | It's possible to boot from a directory hierarchy on the host using | 2156 | It's possible to boot from a directory hierarchy on the host using |
2157 | hostfs rather than using the standard filesystem in a file. | 2157 | hostfs rather than using the standard filesystem in a file. |
@@ -2194,20 +2194,20 @@ | |||
2194 | UML should then boot as it does normally. | 2194 | UML should then boot as it does normally. |
2195 | 2195 | ||
2196 | 2196 | ||
2197 | 99..33.. BBuuiillddiinngg hhoossttffss | 2197 | 9.3. Building hostfs |
2198 | 2198 | ||
2199 | If you need to build hostfs because it's not in your kernel, you have | 2199 | If you need to build hostfs because it's not in your kernel, you have |
2200 | two choices: | 2200 | two choices: |
2201 | 2201 | ||
2202 | 2202 | ||
2203 | 2203 | ||
2204 | +o Compiling hostfs into the kernel: | 2204 | o Compiling hostfs into the kernel: |
2205 | 2205 | ||
2206 | 2206 | ||
2207 | Reconfigure the kernel and set the 'Host filesystem' option under | 2207 | Reconfigure the kernel and set the 'Host filesystem' option under |
2208 | 2208 | ||
2209 | 2209 | ||
2210 | +o Compiling hostfs as a module: | 2210 | o Compiling hostfs as a module: |
2211 | 2211 | ||
2212 | 2212 | ||
2213 | Reconfigure the kernel and set the 'Host filesystem' option under | 2213 | Reconfigure the kernel and set the 'Host filesystem' option under |
@@ -2228,7 +2228,7 @@ | |||
2228 | 2228 | ||
2229 | 2229 | ||
2230 | 2230 | ||
2231 | 1100.. TThhee MMaannaaggeemmeenntt CCoonnssoollee | 2231 | 10. The Management Console |
2232 | 2232 | ||
2233 | 2233 | ||
2234 | 2234 | ||
@@ -2240,15 +2240,15 @@ | |||
2240 | 2240 | ||
2241 | There are a number of things you can do with the mconsole interface: | 2241 | There are a number of things you can do with the mconsole interface: |
2242 | 2242 | ||
2243 | +o get the kernel version | 2243 | o get the kernel version |
2244 | 2244 | ||
2245 | +o add and remove devices | 2245 | o add and remove devices |
2246 | 2246 | ||
2247 | +o halt or reboot the machine | 2247 | o halt or reboot the machine |
2248 | 2248 | ||
2249 | +o Send SysRq commands | 2249 | o Send SysRq commands |
2250 | 2250 | ||
2251 | +o Pause and resume the UML | 2251 | o Pause and resume the UML |
2252 | 2252 | ||
2253 | 2253 | ||
2254 | You need the mconsole client (uml_mconsole) which is present in CVS | 2254 | You need the mconsole client (uml_mconsole) which is present in CVS |
@@ -2300,28 +2300,28 @@ | |||
2300 | 2300 | ||
2301 | You'll get a prompt, at which you can run one of these commands: | 2301 | You'll get a prompt, at which you can run one of these commands: |
2302 | 2302 | ||
2303 | +o version | 2303 | o version |
2304 | 2304 | ||
2305 | +o halt | 2305 | o halt |
2306 | 2306 | ||
2307 | +o reboot | 2307 | o reboot |
2308 | 2308 | ||
2309 | +o config | 2309 | o config |
2310 | 2310 | ||
2311 | +o remove | 2311 | o remove |
2312 | 2312 | ||
2313 | +o sysrq | 2313 | o sysrq |
2314 | 2314 | ||
2315 | +o help | 2315 | o help |
2316 | 2316 | ||
2317 | +o cad | 2317 | o cad |
2318 | 2318 | ||
2319 | +o stop | 2319 | o stop |
2320 | 2320 | ||
2321 | +o go | 2321 | o go |
2322 | 2322 | ||
2323 | 2323 | ||
2324 | 1100..11.. vveerrssiioonn | 2324 | 10.1. version |
2325 | 2325 | ||
2326 | This takes no arguments. It prints the UML version. | 2326 | This takes no arguments. It prints the UML version. |
2327 | 2327 | ||
@@ -2342,7 +2342,7 @@ | |||
2342 | 2342 | ||
2343 | 2343 | ||
2344 | 2344 | ||
2345 | 1100..22.. hhaalltt aanndd rreebboooott | 2345 | 10.2. halt and reboot |
2346 | 2346 | ||
2347 | These take no arguments. They shut the machine down immediately, with | 2347 | These take no arguments. They shut the machine down immediately, with |
2348 | no syncing of disks and no clean shutdown of userspace. So, they are | 2348 | no syncing of disks and no clean shutdown of userspace. So, they are |
@@ -2357,7 +2357,7 @@ | |||
2357 | 2357 | ||
2358 | 2358 | ||
2359 | 2359 | ||
2360 | 1100..33.. ccoonnffiigg | 2360 | 10.3. config |
2361 | 2361 | ||
2362 | "config" adds a new device to the virtual machine. Currently the ubd | 2362 | "config" adds a new device to the virtual machine. Currently the ubd |
2363 | and network drivers support this. It takes one argument, which is the | 2363 | and network drivers support this. It takes one argument, which is the |
@@ -2378,7 +2378,7 @@ | |||
2378 | 2378 | ||
2379 | 2379 | ||
2380 | 2380 | ||
2381 | 1100..44.. rreemmoovvee | 2381 | 10.4. remove |
2382 | 2382 | ||
2383 | "remove" deletes a device from the system. Its argument is just the | 2383 | "remove" deletes a device from the system. Its argument is just the |
2384 | name of the device to be removed. The device must be idle in whatever | 2384 | name of the device to be removed. The device must be idle in whatever |
@@ -2397,7 +2397,7 @@ | |||
2397 | 2397 | ||
2398 | 2398 | ||
2399 | 2399 | ||
2400 | 1100..55.. ssyyssrrqq | 2400 | 10.5. sysrq |
2401 | 2401 | ||
2402 | This takes one argument, which is a single letter. It calls the | 2402 | This takes one argument, which is a single letter. It calls the |
2403 | generic kernel's SysRq driver, which does whatever is called for by | 2403 | generic kernel's SysRq driver, which does whatever is called for by |
@@ -2407,14 +2407,14 @@ | |||
2407 | 2407 | ||
2408 | 2408 | ||
2409 | 2409 | ||
2410 | 1100..66.. hheellpp | 2410 | 10.6. help |
2411 | 2411 | ||
2412 | "help" returns a string listing the valid commands and what each one | 2412 | "help" returns a string listing the valid commands and what each one |
2413 | does. | 2413 | does. |
2414 | 2414 | ||
2415 | 2415 | ||
2416 | 2416 | ||
2417 | 1100..77.. ccaadd | 2417 | 10.7. cad |
2418 | 2418 | ||
2419 | This invokes the Ctl-Alt-Del action on init. What exactly this ends | 2419 | This invokes the Ctl-Alt-Del action on init. What exactly this ends |
2420 | up doing is up to /etc/inittab. Normally, it reboots the machine. | 2420 | up doing is up to /etc/inittab. Normally, it reboots the machine. |
@@ -2432,7 +2432,7 @@ | |||
2432 | 2432 | ||
2433 | 2433 | ||
2434 | 2434 | ||
2435 | 1100..88.. ssttoopp | 2435 | 10.8. stop |
2436 | 2436 | ||
2437 | This puts the UML in a loop reading mconsole requests until a 'go' | 2437 | This puts the UML in a loop reading mconsole requests until a 'go' |
2438 | mconsole command is received. This is very useful for making backups | 2438 | mconsole command is received. This is very useful for making backups |
@@ -2448,7 +2448,7 @@ | |||
2448 | 2448 | ||
2449 | 2449 | ||
2450 | 2450 | ||
2451 | 1100..99.. ggoo | 2451 | 10.9. go |
2452 | 2452 | ||
2453 | This resumes a UML after being paused by a 'stop' command. Note that | 2453 | This resumes a UML after being paused by a 'stop' command. Note that |
2454 | when the UML has resumed, TCP connections may have timed out and if | 2454 | when the UML has resumed, TCP connections may have timed out and if |
@@ -2462,10 +2462,10 @@ | |||
2462 | 2462 | ||
2463 | 2463 | ||
2464 | 2464 | ||
2465 | 1111.. KKeerrnneell ddeebbuuggggiinngg | 2465 | 11. Kernel debugging |
2466 | 2466 | ||
2467 | 2467 | ||
2468 | NNoottee:: The interface that makes debugging, as described here, possible | 2468 | Note: The interface that makes debugging, as described here, possible |
2469 | is present in 2.4.0-test6 kernels and later. | 2469 | is present in 2.4.0-test6 kernels and later. |
2470 | 2470 | ||
2471 | 2471 | ||
@@ -2485,7 +2485,7 @@ | |||
2485 | 2485 | ||
2486 | 2486 | ||
2487 | 2487 | ||
2488 | 1111..11.. SSttaarrttiinngg tthhee kkeerrnneell uunnddeerr ggddbb | 2488 | 11.1. Starting the kernel under gdb |
2489 | 2489 | ||
2490 | You can have the kernel running under the control of gdb from the | 2490 | You can have the kernel running under the control of gdb from the |
2491 | beginning by putting 'debug' on the command line. You will get an | 2491 | beginning by putting 'debug' on the command line. You will get an |
@@ -2498,7 +2498,7 @@ | |||
2498 | There is a transcript of a debugging session here <debug- | 2498 | There is a transcript of a debugging session here <debug- |
2499 | session.html> , with breakpoints being set in the scheduler and in an | 2499 | session.html> , with breakpoints being set in the scheduler and in an |
2500 | interrupt handler. | 2500 | interrupt handler. |
2501 | 1111..22.. EExxaammiinniinngg sslleeeeppiinngg pprroocceesssseess | 2501 | 11.2. Examining sleeping processes |
2502 | 2502 | ||
2503 | Not every bug is evident in the currently running process. Sometimes, | 2503 | Not every bug is evident in the currently running process. Sometimes, |
2504 | processes hang in the kernel when they shouldn't because they've | 2504 | processes hang in the kernel when they shouldn't because they've |
@@ -2516,7 +2516,7 @@ | |||
2516 | 2516 | ||
2517 | Now what you do is this: | 2517 | Now what you do is this: |
2518 | 2518 | ||
2519 | +o detach from the current thread | 2519 | o detach from the current thread |
2520 | 2520 | ||
2521 | 2521 | ||
2522 | (UML gdb) det | 2522 | (UML gdb) det |
@@ -2525,7 +2525,7 @@ | |||
2525 | 2525 | ||
2526 | 2526 | ||
2527 | 2527 | ||
2528 | +o attach to the thread you are interested in | 2528 | o attach to the thread you are interested in |
2529 | 2529 | ||
2530 | 2530 | ||
2531 | (UML gdb) att <host pid> | 2531 | (UML gdb) att <host pid> |
@@ -2534,7 +2534,7 @@ | |||
2534 | 2534 | ||
2535 | 2535 | ||
2536 | 2536 | ||
2537 | +o look at its stack and anything else of interest | 2537 | o look at its stack and anything else of interest |
2538 | 2538 | ||
2539 | 2539 | ||
2540 | (UML gdb) bt | 2540 | (UML gdb) bt |
@@ -2545,7 +2545,7 @@ | |||
2545 | Note that you can't do anything at this point that requires that a | 2545 | Note that you can't do anything at this point that requires that a |
2546 | process execute, e.g. calling a function | 2546 | process execute, e.g. calling a function |
2547 | 2547 | ||
2548 | +o when you're done looking at that process, reattach to the current | 2548 | o when you're done looking at that process, reattach to the current |
2549 | thread and continue it | 2549 | thread and continue it |
2550 | 2550 | ||
2551 | 2551 | ||
@@ -2569,12 +2569,12 @@ | |||
2569 | 2569 | ||
2570 | 2570 | ||
2571 | 2571 | ||
2572 | 1111..33.. RRuunnnniinngg dddddd oonn UUMMLL | 2572 | 11.3. Running ddd on UML |
2573 | 2573 | ||
2574 | ddd works on UML, but requires a special kludge. The process goes | 2574 | ddd works on UML, but requires a special kludge. The process goes |
2575 | like this: | 2575 | like this: |
2576 | 2576 | ||
2577 | +o Start ddd | 2577 | o Start ddd |
2578 | 2578 | ||
2579 | 2579 | ||
2580 | host% ddd linux | 2580 | host% ddd linux |
@@ -2583,14 +2583,14 @@ | |||
2583 | 2583 | ||
2584 | 2584 | ||
2585 | 2585 | ||
2586 | +o With ps, get the pid of the gdb that ddd started. You can ask the | 2586 | o With ps, get the pid of the gdb that ddd started. You can ask the |
2587 | gdb to tell you, but for some reason that confuses things and | 2587 | gdb to tell you, but for some reason that confuses things and |
2588 | causes a hang. | 2588 | causes a hang. |
2589 | 2589 | ||
2590 | +o run UML with 'debug=parent gdb-pid=<pid>' added to the command line | 2590 | o run UML with 'debug=parent gdb-pid=<pid>' added to the command line |
2591 | - it will just sit there after you hit return | 2591 | - it will just sit there after you hit return |
2592 | 2592 | ||
2593 | +o type 'att 1' to the ddd gdb and you will see something like | 2593 | o type 'att 1' to the ddd gdb and you will see something like |
2594 | 2594 | ||
2595 | 2595 | ||
2596 | 0xa013dc51 in __kill () | 2596 | 0xa013dc51 in __kill () |
@@ -2602,12 +2602,12 @@ | |||
2602 | 2602 | ||
2603 | 2603 | ||
2604 | 2604 | ||
2605 | +o At this point, type 'c', UML will boot up, and you can use ddd just | 2605 | o At this point, type 'c', UML will boot up, and you can use ddd just |
2606 | as you do on any other process. | 2606 | as you do on any other process. |
2607 | 2607 | ||
2608 | 2608 | ||
2609 | 2609 | ||
2610 | 1111..44.. DDeebbuuggggiinngg mmoodduulleess | 2610 | 11.4. Debugging modules |
2611 | 2611 | ||
2612 | gdb has support for debugging code which is dynamically loaded into | 2612 | gdb has support for debugging code which is dynamically loaded into |
2613 | the process. This support is what is needed to debug kernel modules | 2613 | the process. This support is what is needed to debug kernel modules |
@@ -2823,7 +2823,7 @@ | |||
2823 | 2823 | ||
2824 | 2824 | ||
2825 | 2825 | ||
2826 | 1111..55.. AAttttaacchhiinngg ggddbb ttoo tthhee kkeerrnneell | 2826 | 11.5. Attaching gdb to the kernel |
2827 | 2827 | ||
2828 | If you don't have the kernel running under gdb, you can attach gdb to | 2828 | If you don't have the kernel running under gdb, you can attach gdb to |
2829 | it later by sending the tracing thread a SIGUSR1. The first line of | 2829 | it later by sending the tracing thread a SIGUSR1. The first line of |
@@ -2857,7 +2857,7 @@ | |||
2857 | 2857 | ||
2858 | 2858 | ||
2859 | 2859 | ||
2860 | 1111..66.. UUssiinngg aalltteerrnnaattee ddeebbuuggggeerrss | 2860 | 11.6. Using alternate debuggers |
2861 | 2861 | ||
2862 | UML has support for attaching to an already running debugger rather | 2862 | UML has support for attaching to an already running debugger rather |
2863 | than starting gdb itself. This is present in CVS as of 17 Apr 2001. | 2863 | than starting gdb itself. This is present in CVS as of 17 Apr 2001. |
@@ -2886,7 +2886,7 @@ | |||
2886 | An example of an alternate debugger is strace. You can strace the | 2886 | An example of an alternate debugger is strace. You can strace the |
2887 | actual kernel as follows: | 2887 | actual kernel as follows: |
2888 | 2888 | ||
2889 | +o Run the following in a shell | 2889 | o Run the following in a shell |
2890 | 2890 | ||
2891 | 2891 | ||
2892 | host% | 2892 | host% |
@@ -2894,10 +2894,10 @@ | |||
2894 | 2894 | ||
2895 | 2895 | ||
2896 | 2896 | ||
2897 | +o Run UML with 'debug' and 'gdb-pid=<pid>' with the pid printed out | 2897 | o Run UML with 'debug' and 'gdb-pid=<pid>' with the pid printed out |
2898 | by the previous command | 2898 | by the previous command |
2899 | 2899 | ||
2900 | +o Hit return in the shell, and UML will start running, and strace | 2900 | o Hit return in the shell, and UML will start running, and strace |
2901 | output will start accumulating in the output file. | 2901 | output will start accumulating in the output file. |
2902 | 2902 | ||
2903 | Note that this is different from running | 2903 | Note that this is different from running |
@@ -2917,9 +2917,9 @@ | |||
2917 | 2917 | ||
2918 | 2918 | ||
2919 | 2919 | ||
2920 | 1122.. KKeerrnneell ddeebbuuggggiinngg eexxaammpplleess | 2920 | 12. Kernel debugging examples |
2921 | 2921 | ||
2922 | 1122..11.. TThhee ccaassee ooff tthhee hhuunngg ffsscckk | 2922 | 12.1. The case of the hung fsck |
2923 | 2923 | ||
2924 | When booting up the kernel, fsck failed, and dropped me into a shell | 2924 | When booting up the kernel, fsck failed, and dropped me into a shell |
2925 | to fix things up. I ran fsck -y, which hung: | 2925 | to fix things up. I ran fsck -y, which hung: |
@@ -3154,9 +3154,9 @@ | |||
3154 | 3154 | ||
3155 | The interesting things here are : | 3155 | The interesting things here are : |
3156 | 3156 | ||
3157 | +o There are two segfaults on this stack (frames 9 and 14) | 3157 | o There are two segfaults on this stack (frames 9 and 14) |
3158 | 3158 | ||
3159 | +o The first faulting address (frame 11) is 0x50000800 | 3159 | o The first faulting address (frame 11) is 0x50000800 |
3160 | 3160 | ||
3161 | (gdb) p (void *)1342179328 | 3161 | (gdb) p (void *)1342179328 |
3162 | $16 = (void *) 0x50000800 | 3162 | $16 = (void *) 0x50000800 |
@@ -3399,7 +3399,7 @@ | |||
3399 | on will be somewhat clearer. | 3399 | on will be somewhat clearer. |
3400 | 3400 | ||
3401 | 3401 | ||
3402 | 1122..22.. EEppiissooddee 22:: TThhee ccaassee ooff tthhee hhuunngg ffsscckk | 3402 | 12.2. Episode 2: The case of the hung fsck |
3403 | 3403 | ||
3404 | After setting a trap in the SEGV handler for accesses to the signal | 3404 | After setting a trap in the SEGV handler for accesses to the signal |
3405 | thread's stack, I reran the kernel. | 3405 | thread's stack, I reran the kernel. |
@@ -3788,12 +3788,12 @@ | |||
3788 | 3788 | ||
3789 | 3789 | ||
3790 | 3790 | ||
3791 | 1133.. WWhhaatt ttoo ddoo wwhheenn UUMMLL ddooeessnn''tt wwoorrkk | 3791 | 13. What to do when UML doesn't work |
3792 | 3792 | ||
3793 | 3793 | ||
3794 | 3794 | ||
3795 | 3795 | ||
3796 | 1133..11.. SSttrraannggee ccoommppiillaattiioonn eerrrroorrss wwhheenn yyoouu bbuuiilldd ffrroomm ssoouurrccee | 3796 | 13.1. Strange compilation errors when you build from source |
3797 | 3797 | ||
3798 | As of test11, it is necessary to have "ARCH=um" in the environment or | 3798 | As of test11, it is necessary to have "ARCH=um" in the environment or |
3799 | on the make command line for all steps in building UML, including | 3799 | on the make command line for all steps in building UML, including |
@@ -3824,8 +3824,8 @@ | |||
3824 | 3824 | ||
3825 | 3825 | ||
3826 | 3826 | ||
3827 | 1133..33.. AA vvaarriieettyy ooff ppaanniiccss aanndd hhaannggss wwiitthh //ttmmpp oonn aa rreeiisseerrffss ffiilleessyyss-- | 3827 | 13.3. A variety of panics and hangs with /tmp on a reiserfs filesys- |
3828 | tteemm | 3828 | tem |
3829 | 3829 | ||
3830 | I saw this on reiserfs 3.5.21 and it seems to be fixed in 3.5.27. | 3830 | I saw this on reiserfs 3.5.21 and it seems to be fixed in 3.5.27. |
3831 | Panics preceded by | 3831 | Panics preceded by |
@@ -3842,8 +3842,8 @@ | |||
3842 | 3842 | ||
3843 | 3843 | ||
3844 | 3844 | ||
3845 | 1133..44.. TThhee ccoommppiillee ffaaiillss wwiitthh eerrrroorrss aabboouutt ccoonnfflliiccttiinngg ttyyppeess ffoorr | 3845 | 13.4. The compile fails with errors about conflicting types for |
3846 | ''ooppeenn'',, ''dduupp'',, aanndd ''wwaaiittppiidd'' | 3846 | 'open', 'dup', and 'waitpid' |
3847 | 3847 | ||
3848 | This happens when you build in /usr/src/linux. The UML build makes | 3848 | This happens when you build in /usr/src/linux. The UML build makes |
3849 | the include/asm link point to include/asm-um. /usr/include/asm points | 3849 | the include/asm link point to include/asm-um. /usr/include/asm points |
@@ -3854,14 +3854,14 @@ | |||
3854 | 3854 | ||
3855 | 3855 | ||
3856 | 3856 | ||
3857 | 1133..55.. UUMMLL ddooeessnn''tt wwoorrkk wwhheenn //ttmmpp iiss aann NNFFSS ffiilleessyysstteemm | 3857 | 13.5. UML doesn't work when /tmp is an NFS filesystem |
3858 | 3858 | ||
3859 | This seems to be a similar situation with the ReiserFS problem above. | 3859 | This seems to be a similar situation with the ReiserFS problem above. |
3860 | Some versions of NFS seems not to handle mmap correctly, which UML | 3860 | Some versions of NFS seems not to handle mmap correctly, which UML |
3861 | depends on. The workaround is have /tmp be a non-NFS directory. | 3861 | depends on. The workaround is have /tmp be a non-NFS directory. |
3862 | 3862 | ||
3863 | 3863 | ||
3864 | 1133..66.. UUMMLL hhaannggss oonn bboooott wwhheenn ccoommppiilleedd wwiitthh ggpprrooff ssuuppppoorrtt | 3864 | 13.6. UML hangs on boot when compiled with gprof support |
3865 | 3865 | ||
3866 | If you build UML with gprof support and, early in the boot, it does | 3866 | If you build UML with gprof support and, early in the boot, it does |
3867 | this | 3867 | this |
@@ -3878,7 +3878,7 @@ | |||
3878 | 3878 | ||
3879 | 3879 | ||
3880 | 3880 | ||
3881 | 1133..77.. ssyyssllooggdd ddiieess wwiitthh aa SSIIGGTTEERRMM oonn ssttaarrttuupp | 3881 | 13.7. syslogd dies with a SIGTERM on startup |
3882 | 3882 | ||
3883 | The exact boot error depends on the distribution that you're booting, | 3883 | The exact boot error depends on the distribution that you're booting, |
3884 | but Debian produces this: | 3884 | but Debian produces this: |
@@ -3897,17 +3897,17 @@ | |||
3897 | 3897 | ||
3898 | 3898 | ||
3899 | 3899 | ||
3900 | 1133..88.. TTUUNN//TTAAPP nneettwwoorrkkiinngg ddooeessnn''tt wwoorrkk oonn aa 22..44 hhoosstt | 3900 | 13.8. TUN/TAP networking doesn't work on a 2.4 host |
3901 | 3901 | ||
3902 | There are a couple of problems which were | 3902 | There are a couple of problems which were |
3903 | <http://www.geocrawler.com/lists/3/SourceForge/597/0/> name="pointed | 3903 | <http://www.geocrawler.com/lists/3/SourceForge/597/0/> name="pointed |
3904 | out"> by Tim Robinson <timro at trkr dot net> | 3904 | out"> by Tim Robinson <timro at trkr dot net> |
3905 | 3905 | ||
3906 | +o It doesn't work on hosts running 2.4.7 (or thereabouts) or earlier. | 3906 | o It doesn't work on hosts running 2.4.7 (or thereabouts) or earlier. |
3907 | The fix is to upgrade to something more recent and then read the | 3907 | The fix is to upgrade to something more recent and then read the |
3908 | next item. | 3908 | next item. |
3909 | 3909 | ||
3910 | +o If you see | 3910 | o If you see |
3911 | 3911 | ||
3912 | 3912 | ||
3913 | File descriptor in bad state | 3913 | File descriptor in bad state |
@@ -3921,8 +3921,8 @@ | |||
3921 | 3921 | ||
3922 | 3922 | ||
3923 | 3923 | ||
3924 | 1133..99.. YYoouu ccaann nneettwwoorrkk ttoo tthhee hhoosstt bbuutt nnoott ttoo ootthheerr mmaacchhiinneess oonn tthhee | 3924 | 13.9. You can network to the host but not to other machines on the |
3925 | nneett | 3925 | net |
3926 | 3926 | ||
3927 | If you can connect to the host, and the host can connect to UML, but | 3927 | If you can connect to the host, and the host can connect to UML, but |
3928 | you cannot connect to any other machines, then you may need to enable | 3928 | you cannot connect to any other machines, then you may need to enable |
@@ -3972,7 +3972,7 @@ | |||
3972 | 3972 | ||
3973 | 3973 | ||
3974 | 3974 | ||
3975 | 1133..1100.. II hhaavvee nnoo rroooott aanndd II wwaanntt ttoo ssccrreeaamm | 3975 | 13.10. I have no root and I want to scream |
3976 | 3976 | ||
3977 | Thanks to Birgit Wahlich for telling me about this strange one. It | 3977 | Thanks to Birgit Wahlich for telling me about this strange one. It |
3978 | turns out that there's a limit of six environment variables on the | 3978 | turns out that there's a limit of six environment variables on the |
@@ -3987,7 +3987,7 @@ | |||
3987 | 3987 | ||
3988 | 3988 | ||
3989 | 3989 | ||
3990 | 1133..1111.. UUMMLL bbuuiilldd ccoonnfflliicctt bbeettwweeeenn ppttrraaccee..hh aanndd uuccoonntteexxtt..hh | 3990 | 13.11. UML build conflict between ptrace.h and ucontext.h |
3991 | 3991 | ||
3992 | On some older systems, /usr/include/asm/ptrace.h and | 3992 | On some older systems, /usr/include/asm/ptrace.h and |
3993 | /usr/include/sys/ucontext.h define the same names. So, when they're | 3993 | /usr/include/sys/ucontext.h define the same names. So, when they're |
@@ -4007,7 +4007,7 @@ | |||
4007 | 4007 | ||
4008 | 4008 | ||
4009 | 4009 | ||
4010 | 1133..1122.. TThhee UUMMLL BBooggooMMiippss iiss eexxaaccttllyy hhaallff tthhee hhoosstt''ss BBooggooMMiippss | 4010 | 13.12. The UML BogoMips is exactly half the host's BogoMips |
4011 | 4011 | ||
4012 | On i386 kernels, there are two ways of running the loop that is used | 4012 | On i386 kernels, there are two ways of running the loop that is used |
4013 | to calculate the BogoMips rating, using the TSC if it's there or using | 4013 | to calculate the BogoMips rating, using the TSC if it's there or using |
@@ -4019,7 +4019,7 @@ | |||
4019 | 4019 | ||
4020 | 4020 | ||
4021 | 4021 | ||
4022 | 1133..1133.. WWhheenn yyoouu rruunn UUMMLL,, iitt iimmmmeeddiiaatteellyy sseeggffaauullttss | 4022 | 13.13. When you run UML, it immediately segfaults |
4023 | 4023 | ||
4024 | If the host is configured with the 2G/2G address space split, that's | 4024 | If the host is configured with the 2G/2G address space split, that's |
4025 | why. See ``UML on 2G/2G hosts'' for the details on getting UML to | 4025 | why. See ``UML on 2G/2G hosts'' for the details on getting UML to |
@@ -4027,7 +4027,7 @@ | |||
4027 | 4027 | ||
4028 | 4028 | ||
4029 | 4029 | ||
4030 | 1133..1144.. xxtteerrmmss aappppeeaarr,, tthheenn iimmmmeeddiiaatteellyy ddiissaappppeeaarr | 4030 | 13.14. xterms appear, then immediately disappear |
4031 | 4031 | ||
4032 | If you're running an up to date kernel with an old release of | 4032 | If you're running an up to date kernel with an old release of |
4033 | uml_utilities, the port-helper program will not work properly, so | 4033 | uml_utilities, the port-helper program will not work properly, so |
@@ -4039,7 +4039,7 @@ | |||
4039 | 4039 | ||
4040 | 4040 | ||
4041 | 4041 | ||
4042 | 1133..1155.. AAnnyy ootthheerr ppaanniicc,, hhaanngg,, oorr ssttrraannggee bbeehhaavviioorr | 4042 | 13.15. Any other panic, hang, or strange behavior |
4043 | 4043 | ||
4044 | If you're seeing truly strange behavior, such as hangs or panics that | 4044 | If you're seeing truly strange behavior, such as hangs or panics that |
4045 | happen in random places, or you try running the debugger to see what's | 4045 | happen in random places, or you try running the debugger to see what's |
@@ -4059,7 +4059,7 @@ | |||
4059 | 4059 | ||
4060 | If you want to be super-helpful, read ``Diagnosing Problems'' and | 4060 | If you want to be super-helpful, read ``Diagnosing Problems'' and |
4061 | follow the instructions contained therein. | 4061 | follow the instructions contained therein. |
4062 | 1144.. DDiiaaggnnoossiinngg PPrroobblleemmss | 4062 | 14. Diagnosing Problems |
4063 | 4063 | ||
4064 | 4064 | ||
4065 | If you get UML to crash, hang, or otherwise misbehave, you should | 4065 | If you get UML to crash, hang, or otherwise misbehave, you should |
@@ -4078,7 +4078,7 @@ | |||
4078 | ``Kernel debugging'' UML first. | 4078 | ``Kernel debugging'' UML first. |
4079 | 4079 | ||
4080 | 4080 | ||
4081 | 1144..11.. CCaassee 11 :: NNoorrmmaall kkeerrnneell ppaanniiccss | 4081 | 14.1. Case 1 : Normal kernel panics |
4082 | 4082 | ||
4083 | The most common case is for a normal thread to panic. To debug this, | 4083 | The most common case is for a normal thread to panic. To debug this, |
4084 | you will need to run it under the debugger (add 'debug' to the command | 4084 | you will need to run it under the debugger (add 'debug' to the command |
@@ -4128,7 +4128,7 @@ | |||
4128 | to get that information from the faulting ip. | 4128 | to get that information from the faulting ip. |
4129 | 4129 | ||
4130 | 4130 | ||
4131 | 1144..22.. CCaassee 22 :: TTrraacciinngg tthhrreeaadd ppaanniiccss | 4131 | 14.2. Case 2 : Tracing thread panics |
4132 | 4132 | ||
4133 | The less common and more painful case is when the tracing thread | 4133 | The less common and more painful case is when the tracing thread |
4134 | panics. In this case, the kernel debugger will be useless because it | 4134 | panics. In this case, the kernel debugger will be useless because it |
@@ -4161,7 +4161,7 @@ | |||
4161 | backtrace in and wait for our crack debugging team to fix the problem. | 4161 | backtrace in and wait for our crack debugging team to fix the problem. |
4162 | 4162 | ||
4163 | 4163 | ||
4164 | 1144..33.. CCaassee 33 :: TTrraacciinngg tthhrreeaadd ppaanniiccss ccaauusseedd bbyy ootthheerr tthhrreeaaddss | 4164 | 14.3. Case 3 : Tracing thread panics caused by other threads |
4165 | 4165 | ||
4166 | However, there are cases where the misbehavior of another thread | 4166 | However, there are cases where the misbehavior of another thread |
4167 | caused the problem. The most common panic of this type is: | 4167 | caused the problem. The most common panic of this type is: |
@@ -4227,7 +4227,7 @@ | |||
4227 | 4227 | ||
4228 | 4228 | ||
4229 | 4229 | ||
4230 | 1144..44.. CCaassee 44 :: HHaannggss | 4230 | 14.4. Case 4 : Hangs |
4231 | 4231 | ||
4232 | Hangs seem to be fairly rare, but they sometimes happen. When a hang | 4232 | Hangs seem to be fairly rare, but they sometimes happen. When a hang |
4233 | happens, we need a backtrace from the offending process. Run the | 4233 | happens, we need a backtrace from the offending process. Run the |
@@ -4257,7 +4257,7 @@ | |||
4257 | 4257 | ||
4258 | 4258 | ||
4259 | 4259 | ||
4260 | 1155.. TThhaannkkss | 4260 | 15. Thanks |
4261 | 4261 | ||
4262 | 4262 | ||
4263 | A number of people have helped this project in various ways, and this | 4263 | A number of people have helped this project in various ways, and this |
@@ -4274,20 +4274,20 @@ | |||
4274 | bookkeeping lapses and I forget about contributions. | 4274 | bookkeeping lapses and I forget about contributions. |
4275 | 4275 | ||
4276 | 4276 | ||
4277 | 1155..11.. CCooddee aanndd DDooccuummeennttaattiioonn | 4277 | 15.1. Code and Documentation |
4278 | 4278 | ||
4279 | Rusty Russell <rusty at linuxcare.com.au> - | 4279 | Rusty Russell <rusty at linuxcare.com.au> - |
4280 | 4280 | ||
4281 | +o wrote the HOWTO <http://user-mode- | 4281 | o wrote the HOWTO <http://user-mode- |
4282 | linux.sourceforge.net/UserModeLinux-HOWTO.html> | 4282 | linux.sourceforge.net/UserModeLinux-HOWTO.html> |
4283 | 4283 | ||
4284 | +o prodded me into making this project official and putting it on | 4284 | o prodded me into making this project official and putting it on |
4285 | SourceForge | 4285 | SourceForge |
4286 | 4286 | ||
4287 | +o came up with the way cool UML logo <http://user-mode- | 4287 | o came up with the way cool UML logo <http://user-mode- |
4288 | linux.sourceforge.net/uml-small.png> | 4288 | linux.sourceforge.net/uml-small.png> |
4289 | 4289 | ||
4290 | +o redid the config process | 4290 | o redid the config process |
4291 | 4291 | ||
4292 | 4292 | ||
4293 | Peter Moulder <reiter at netspace.net.au> - Fixed my config and build | 4293 | Peter Moulder <reiter at netspace.net.au> - Fixed my config and build |
@@ -4296,18 +4296,18 @@ | |||
4296 | 4296 | ||
4297 | Bill Stearns <wstearns at pobox.com> - | 4297 | Bill Stearns <wstearns at pobox.com> - |
4298 | 4298 | ||
4299 | +o HOWTO updates | 4299 | o HOWTO updates |
4300 | 4300 | ||
4301 | +o lots of bug reports | 4301 | o lots of bug reports |
4302 | 4302 | ||
4303 | +o lots of testing | 4303 | o lots of testing |
4304 | 4304 | ||
4305 | +o dedicated a box (uml.ists.dartmouth.edu) to support UML development | 4305 | o dedicated a box (uml.ists.dartmouth.edu) to support UML development |
4306 | 4306 | ||
4307 | +o wrote the mkrootfs script, which allows bootable filesystems of | 4307 | o wrote the mkrootfs script, which allows bootable filesystems of |
4308 | RPM-based distributions to be cranked out | 4308 | RPM-based distributions to be cranked out |
4309 | 4309 | ||
4310 | +o cranked out a large number of filesystems with said script | 4310 | o cranked out a large number of filesystems with said script |
4311 | 4311 | ||
4312 | 4312 | ||
4313 | Jim Leu <jleu at mindspring.com> - Wrote the virtual ethernet driver | 4313 | Jim Leu <jleu at mindspring.com> - Wrote the virtual ethernet driver |
@@ -4375,176 +4375,176 @@ | |||
4375 | 4375 | ||
4376 | David Coulson <http://davidcoulson.net> - | 4376 | David Coulson <http://davidcoulson.net> - |
4377 | 4377 | ||
4378 | +o Set up the usermodelinux.org <http://usermodelinux.org> site, | 4378 | o Set up the usermodelinux.org <http://usermodelinux.org> site, |
4379 | which is a great way of keeping the UML user community on top of | 4379 | which is a great way of keeping the UML user community on top of |
4380 | UML goings-on. | 4380 | UML goings-on. |
4381 | 4381 | ||
4382 | +o Site documentation and updates | 4382 | o Site documentation and updates |
4383 | 4383 | ||
4384 | +o Nifty little UML management daemon UMLd | 4384 | o Nifty little UML management daemon UMLd |
4385 | <http://uml.openconsultancy.com/umld/> | 4385 | <http://uml.openconsultancy.com/umld/> |
4386 | 4386 | ||
4387 | +o Lots of testing and bug reports | 4387 | o Lots of testing and bug reports |
4388 | 4388 | ||
4389 | 4389 | ||
4390 | 4390 | ||
4391 | 4391 | ||
4392 | 1155..22.. FFlluusshhiinngg oouutt bbuuggss | 4392 | 15.2. Flushing out bugs |
4393 | 4393 | ||
4394 | 4394 | ||
4395 | 4395 | ||
4396 | +o Yuri Pudgorodsky | 4396 | o Yuri Pudgorodsky |
4397 | 4397 | ||
4398 | +o Gerald Britton | 4398 | o Gerald Britton |
4399 | 4399 | ||
4400 | +o Ian Wehrman | 4400 | o Ian Wehrman |
4401 | 4401 | ||
4402 | +o Gord Lamb | 4402 | o Gord Lamb |
4403 | 4403 | ||
4404 | +o Eugene Koontz | 4404 | o Eugene Koontz |
4405 | 4405 | ||
4406 | +o John H. Hartman | 4406 | o John H. Hartman |
4407 | 4407 | ||
4408 | +o Anders Karlsson | 4408 | o Anders Karlsson |
4409 | 4409 | ||
4410 | +o Daniel Phillips | 4410 | o Daniel Phillips |
4411 | 4411 | ||
4412 | +o John Fremlin | 4412 | o John Fremlin |
4413 | 4413 | ||
4414 | +o Rainer Burgstaller | 4414 | o Rainer Burgstaller |
4415 | 4415 | ||
4416 | +o James Stevenson | 4416 | o James Stevenson |
4417 | 4417 | ||
4418 | +o Matt Clay | 4418 | o Matt Clay |
4419 | 4419 | ||
4420 | +o Cliff Jefferies | 4420 | o Cliff Jefferies |
4421 | 4421 | ||
4422 | +o Geoff Hoff | 4422 | o Geoff Hoff |
4423 | 4423 | ||
4424 | +o Lennert Buytenhek | 4424 | o Lennert Buytenhek |
4425 | 4425 | ||
4426 | +o Al Viro | 4426 | o Al Viro |
4427 | 4427 | ||
4428 | +o Frank Klingenhoefer | 4428 | o Frank Klingenhoefer |
4429 | 4429 | ||
4430 | +o Livio Baldini Soares | 4430 | o Livio Baldini Soares |
4431 | 4431 | ||
4432 | +o Jon Burgess | 4432 | o Jon Burgess |
4433 | 4433 | ||
4434 | +o Petru Paler | 4434 | o Petru Paler |
4435 | 4435 | ||
4436 | +o Paul | 4436 | o Paul |
4437 | 4437 | ||
4438 | +o Chris Reahard | 4438 | o Chris Reahard |
4439 | 4439 | ||
4440 | +o Sverker Nilsson | 4440 | o Sverker Nilsson |
4441 | 4441 | ||
4442 | +o Gong Su | 4442 | o Gong Su |
4443 | 4443 | ||
4444 | +o johan verrept | 4444 | o johan verrept |
4445 | 4445 | ||
4446 | +o Bjorn Eriksson | 4446 | o Bjorn Eriksson |
4447 | 4447 | ||
4448 | +o Lorenzo Allegrucci | 4448 | o Lorenzo Allegrucci |
4449 | 4449 | ||
4450 | +o Muli Ben-Yehuda | 4450 | o Muli Ben-Yehuda |
4451 | 4451 | ||
4452 | +o David Mansfield | 4452 | o David Mansfield |
4453 | 4453 | ||
4454 | +o Howard Goff | 4454 | o Howard Goff |
4455 | 4455 | ||
4456 | +o Mike Anderson | 4456 | o Mike Anderson |
4457 | 4457 | ||
4458 | +o John Byrne | 4458 | o John Byrne |
4459 | 4459 | ||
4460 | +o Sapan J. Batia | 4460 | o Sapan J. Batia |
4461 | 4461 | ||
4462 | +o Iris Huang | 4462 | o Iris Huang |
4463 | 4463 | ||
4464 | +o Jan Hudec | 4464 | o Jan Hudec |
4465 | 4465 | ||
4466 | +o Voluspa | 4466 | o Voluspa |
4467 | 4467 | ||
4468 | 4468 | ||
4469 | 4469 | ||
4470 | 4470 | ||
4471 | 1155..33.. BBuugglleettss aanndd cclleeaann--uuppss | 4471 | 15.3. Buglets and clean-ups |
4472 | 4472 | ||
4473 | 4473 | ||
4474 | 4474 | ||
4475 | +o Dave Zarzycki | 4475 | o Dave Zarzycki |
4476 | 4476 | ||
4477 | +o Adam Lazur | 4477 | o Adam Lazur |
4478 | 4478 | ||
4479 | +o Boria Feigin | 4479 | o Boria Feigin |
4480 | 4480 | ||
4481 | +o Brian J. Murrell | 4481 | o Brian J. Murrell |
4482 | 4482 | ||
4483 | +o JS | 4483 | o JS |
4484 | 4484 | ||
4485 | +o Roman Zippel | 4485 | o Roman Zippel |
4486 | 4486 | ||
4487 | +o Wil Cooley | 4487 | o Wil Cooley |
4488 | 4488 | ||
4489 | +o Ayelet Shemesh | 4489 | o Ayelet Shemesh |
4490 | 4490 | ||
4491 | +o Will Dyson | 4491 | o Will Dyson |
4492 | 4492 | ||
4493 | +o Sverker Nilsson | 4493 | o Sverker Nilsson |
4494 | 4494 | ||
4495 | +o dvorak | 4495 | o dvorak |
4496 | 4496 | ||
4497 | +o v.naga srinivas | 4497 | o v.naga srinivas |
4498 | 4498 | ||
4499 | +o Shlomi Fish | 4499 | o Shlomi Fish |
4500 | 4500 | ||
4501 | +o Roger Binns | 4501 | o Roger Binns |
4502 | 4502 | ||
4503 | +o johan verrept | 4503 | o johan verrept |
4504 | 4504 | ||
4505 | +o MrChuoi | 4505 | o MrChuoi |
4506 | 4506 | ||
4507 | +o Peter Cleve | 4507 | o Peter Cleve |
4508 | 4508 | ||
4509 | +o Vincent Guffens | 4509 | o Vincent Guffens |
4510 | 4510 | ||
4511 | +o Nathan Scott | 4511 | o Nathan Scott |
4512 | 4512 | ||
4513 | +o Patrick Caulfield | 4513 | o Patrick Caulfield |
4514 | 4514 | ||
4515 | +o jbearce | 4515 | o jbearce |
4516 | 4516 | ||
4517 | +o Catalin Marinas | 4517 | o Catalin Marinas |
4518 | 4518 | ||
4519 | +o Shane Spencer | 4519 | o Shane Spencer |
4520 | 4520 | ||
4521 | +o Zou Min | 4521 | o Zou Min |
4522 | 4522 | ||
4523 | 4523 | ||
4524 | +o Ryan Boder | 4524 | o Ryan Boder |
4525 | 4525 | ||
4526 | +o Lorenzo Colitti | 4526 | o Lorenzo Colitti |
4527 | 4527 | ||
4528 | +o Gwendal Grignou | 4528 | o Gwendal Grignou |
4529 | 4529 | ||
4530 | +o Andre' Breiler | 4530 | o Andre' Breiler |
4531 | 4531 | ||
4532 | +o Tsutomu Yasuda | 4532 | o Tsutomu Yasuda |
4533 | 4533 | ||
4534 | 4534 | ||
4535 | 4535 | ||
4536 | 1155..44.. CCaassee SSttuuddiieess | 4536 | 15.4. Case Studies |
4537 | 4537 | ||
4538 | 4538 | ||
4539 | +o Jon Wright | 4539 | o Jon Wright |
4540 | 4540 | ||
4541 | +o William McEwan | 4541 | o William McEwan |
4542 | 4542 | ||
4543 | +o Michael Richardson | 4543 | o Michael Richardson |
4544 | 4544 | ||
4545 | 4545 | ||
4546 | 4546 | ||
4547 | 1155..55.. OOtthheerr ccoonnttrriibbuuttiioonnss | 4547 | 15.5. Other contributions |
4548 | 4548 | ||
4549 | 4549 | ||
4550 | Bill Carr <Bill.Carr at compaq.com> made the Red Hat mkrootfs script | 4550 | Bill Carr <Bill.Carr at compaq.com> made the Red Hat mkrootfs script |