diff options
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r-- | Documentation/kernel-parameters.txt | 128 |
1 files changed, 2 insertions, 126 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 873b68090098..4956686f99bf 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
@@ -88,8 +88,8 @@ parameter is applicable: | |||
88 | RAM RAM disk support is enabled. | 88 | RAM RAM disk support is enabled. |
89 | S390 S390 architecture is enabled. | 89 | S390 S390 architecture is enabled. |
90 | SCSI Appropriate SCSI support is enabled. | 90 | SCSI Appropriate SCSI support is enabled. |
91 | A lot of drivers has their options described inside of | 91 | A lot of drivers have their options described inside |
92 | Documentation/scsi/. | 92 | the Documentation/scsi/ sub-directory. |
93 | SECURITY Different security models are enabled. | 93 | SECURITY Different security models are enabled. |
94 | SELINUX SELinux support is enabled. | 94 | SELINUX SELinux support is enabled. |
95 | APPARMOR AppArmor support is enabled. | 95 | APPARMOR AppArmor support is enabled. |
@@ -284,27 +284,12 @@ and is between 256 and 4096 characters. It is defined in the file | |||
284 | add_efi_memmap [EFI; X86] Include EFI memory map in | 284 | add_efi_memmap [EFI; X86] Include EFI memory map in |
285 | kernel's map of available physical RAM. | 285 | kernel's map of available physical RAM. |
286 | 286 | ||
287 | advansys= [HW,SCSI] | ||
288 | See header of drivers/scsi/advansys.c. | ||
289 | |||
290 | agp= [AGP] | 287 | agp= [AGP] |
291 | { off | try_unsupported } | 288 | { off | try_unsupported } |
292 | off: disable AGP support | 289 | off: disable AGP support |
293 | try_unsupported: try to drive unsupported chipsets | 290 | try_unsupported: try to drive unsupported chipsets |
294 | (may crash computer or cause data corruption) | 291 | (may crash computer or cause data corruption) |
295 | 292 | ||
296 | aha152x= [HW,SCSI] | ||
297 | See Documentation/scsi/aha152x.txt. | ||
298 | |||
299 | aha1542= [HW,SCSI] | ||
300 | Format: <portbase>[,<buson>,<busoff>[,<dmaspeed>]] | ||
301 | |||
302 | aic7xxx= [HW,SCSI] | ||
303 | See Documentation/scsi/aic7xxx.txt. | ||
304 | |||
305 | aic79xx= [HW,SCSI] | ||
306 | See Documentation/scsi/aic79xx.txt. | ||
307 | |||
308 | ALSA [HW,ALSA] | 293 | ALSA [HW,ALSA] |
309 | See Documentation/sound/alsa/alsa-parameters.txt | 294 | See Documentation/sound/alsa/alsa-parameters.txt |
310 | 295 | ||
@@ -368,8 +353,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
368 | 353 | ||
369 | atarimouse= [HW,MOUSE] Atari Mouse | 354 | atarimouse= [HW,MOUSE] Atari Mouse |
370 | 355 | ||
371 | atascsi= [HW,SCSI] Atari SCSI | ||
372 | |||
373 | atkbd.extra= [HW] Enable extra LEDs and keys on IBM RapidAccess, | 356 | atkbd.extra= [HW] Enable extra LEDs and keys on IBM RapidAccess, |
374 | EzKey and similar keyboards | 357 | EzKey and similar keyboards |
375 | 358 | ||
@@ -419,10 +402,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
419 | bttv.pll= See Documentation/video4linux/bttv/Insmod-options | 402 | bttv.pll= See Documentation/video4linux/bttv/Insmod-options |
420 | bttv.tuner= and Documentation/video4linux/bttv/CARDLIST | 403 | bttv.tuner= and Documentation/video4linux/bttv/CARDLIST |
421 | 404 | ||
422 | BusLogic= [HW,SCSI] | ||
423 | See drivers/scsi/BusLogic.c, comment before function | ||
424 | BusLogic_ParseDriverOptions(). | ||
425 | |||
426 | c101= [NET] Moxa C101 synchronous serial card | 405 | c101= [NET] Moxa C101 synchronous serial card |
427 | 406 | ||
428 | cachesize= [BUGS=X86-32] Override level 2 CPU cache size detection. | 407 | cachesize= [BUGS=X86-32] Override level 2 CPU cache size detection. |
@@ -671,8 +650,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
671 | 650 | ||
672 | dscc4.setup= [NET] | 651 | dscc4.setup= [NET] |
673 | 652 | ||
674 | dtc3181e= [HW,SCSI] | ||
675 | |||
676 | dynamic_printk Enables pr_debug()/dev_dbg() calls if | 653 | dynamic_printk Enables pr_debug()/dev_dbg() calls if |
677 | CONFIG_DYNAMIC_PRINTK_DEBUG has been enabled. | 654 | CONFIG_DYNAMIC_PRINTK_DEBUG has been enabled. |
678 | These can also be switched on/off via | 655 | These can also be switched on/off via |
@@ -713,8 +690,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
713 | This is desgined to be used in conjunction with | 690 | This is desgined to be used in conjunction with |
714 | the boot argument: earlyprintk=vga | 691 | the boot argument: earlyprintk=vga |
715 | 692 | ||
716 | eata= [HW,SCSI] | ||
717 | |||
718 | edd= [EDD] | 693 | edd= [EDD] |
719 | Format: {"off" | "on" | "skip[mbr]"} | 694 | Format: {"off" | "on" | "skip[mbr]"} |
720 | 695 | ||
@@ -770,12 +745,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
770 | Format: <interval>,<probability>,<space>,<times> | 745 | Format: <interval>,<probability>,<space>,<times> |
771 | See also /Documentation/fault-injection/. | 746 | See also /Documentation/fault-injection/. |
772 | 747 | ||
773 | fd_mcs= [HW,SCSI] | ||
774 | See header of drivers/scsi/fd_mcs.c. | ||
775 | |||
776 | fdomain= [HW,SCSI] | ||
777 | See header of drivers/scsi/fdomain.c. | ||
778 | |||
779 | floppy= [HW] | 748 | floppy= [HW] |
780 | See Documentation/blockdev/floppy.txt. | 749 | See Documentation/blockdev/floppy.txt. |
781 | 750 | ||
@@ -835,14 +804,9 @@ and is between 256 and 4096 characters. It is defined in the file | |||
835 | When zero, profiling data is discarded and associated | 804 | When zero, profiling data is discarded and associated |
836 | debugfs files are removed at module unload time. | 805 | debugfs files are removed at module unload time. |
837 | 806 | ||
838 | gdth= [HW,SCSI] | ||
839 | See header of drivers/scsi/gdth.c. | ||
840 | |||
841 | gpt [EFI] Forces disk with valid GPT signature but | 807 | gpt [EFI] Forces disk with valid GPT signature but |
842 | invalid Protective MBR to be treated as GPT. | 808 | invalid Protective MBR to be treated as GPT. |
843 | 809 | ||
844 | gvp11= [HW,SCSI] | ||
845 | |||
846 | hashdist= [KNL,NUMA] Large hashes allocated during boot | 810 | hashdist= [KNL,NUMA] Large hashes allocated during boot |
847 | are distributed across NUMA nodes. Defaults on | 811 | are distributed across NUMA nodes. Defaults on |
848 | for 64bit NUMA, off otherwise. | 812 | for 64bit NUMA, off otherwise. |
@@ -931,9 +895,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
931 | i8k.restricted [HW] Allow controlling fans only if SYS_ADMIN | 895 | i8k.restricted [HW] Allow controlling fans only if SYS_ADMIN |
932 | capability is set. | 896 | capability is set. |
933 | 897 | ||
934 | ibmmcascsi= [HW,MCA,SCSI] IBM MicroChannel SCSI adapter | ||
935 | See Documentation/mca.txt. | ||
936 | |||
937 | icn= [HW,ISDN] | 898 | icn= [HW,ISDN] |
938 | Format: <io>[,<membase>[,<icn_id>[,<icn_id2>]]] | 899 | Format: <io>[,<membase>[,<icn_id>[,<icn_id2>]]] |
939 | 900 | ||
@@ -983,9 +944,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
983 | programs exec'd, files mmap'd for exec, and all files | 944 | programs exec'd, files mmap'd for exec, and all files |
984 | opened for read by uid=0. | 945 | opened for read by uid=0. |
985 | 946 | ||
986 | in2000= [HW,SCSI] | ||
987 | See header of drivers/scsi/in2000.c. | ||
988 | |||
989 | init= [KNL] | 947 | init= [KNL] |
990 | Format: <full_path> | 948 | Format: <full_path> |
991 | Run specified binary instead of /sbin/init as init | 949 | Run specified binary instead of /sbin/init as init |
@@ -1063,9 +1021,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1063 | See comment before ip2_setup() in | 1021 | See comment before ip2_setup() in |
1064 | drivers/char/ip2/ip2base.c. | 1022 | drivers/char/ip2/ip2base.c. |
1065 | 1023 | ||
1066 | ips= [HW,SCSI] Adaptec / IBM ServeRAID controller | ||
1067 | See header of drivers/scsi/ips.c. | ||
1068 | |||
1069 | irqfixup [HW] | 1024 | irqfixup [HW] |
1070 | When an interrupt is not handled search all handlers | 1025 | When an interrupt is not handled search all handlers |
1071 | for it. Intended to get systems with badly broken | 1026 | for it. Intended to get systems with badly broken |
@@ -1341,9 +1296,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1341 | ltpc= [NET] | 1296 | ltpc= [NET] |
1342 | Format: <io>,<irq>,<dma> | 1297 | Format: <io>,<irq>,<dma> |
1343 | 1298 | ||
1344 | mac5380= [HW,SCSI] Format: | ||
1345 | <can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> | ||
1346 | |||
1347 | machvec= [IA64] Force the use of a particular machine-vector | 1299 | machvec= [IA64] Force the use of a particular machine-vector |
1348 | (machvec) in a generic kernel. | 1300 | (machvec) in a generic kernel. |
1349 | Example: machvec=hpzx1_swiotlb | 1301 | Example: machvec=hpzx1_swiotlb |
@@ -1365,13 +1317,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1365 | be mounted | 1317 | be mounted |
1366 | Format: <1-256> | 1318 | Format: <1-256> |
1367 | 1319 | ||
1368 | max_luns= [SCSI] Maximum number of LUNs to probe. | ||
1369 | Should be between 1 and 2^32-1. | ||
1370 | |||
1371 | max_report_luns= | ||
1372 | [SCSI] Maximum number of LUNs received. | ||
1373 | Should be between 1 and 16384. | ||
1374 | |||
1375 | mcatest= [IA-64] | 1320 | mcatest= [IA-64] |
1376 | 1321 | ||
1377 | mce [X86-32] Machine Check Exception | 1322 | mce [X86-32] Machine Check Exception |
@@ -1568,19 +1513,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1568 | 1513 | ||
1569 | n2= [NET] SDL Inc. RISCom/N2 synchronous serial card | 1514 | n2= [NET] SDL Inc. RISCom/N2 synchronous serial card |
1570 | 1515 | ||
1571 | NCR_D700= [HW,SCSI] | ||
1572 | See header of drivers/scsi/NCR_D700.c. | ||
1573 | |||
1574 | ncr5380= [HW,SCSI] | ||
1575 | |||
1576 | ncr53c400= [HW,SCSI] | ||
1577 | |||
1578 | ncr53c400a= [HW,SCSI] | ||
1579 | |||
1580 | ncr53c406a= [HW,SCSI] | ||
1581 | |||
1582 | ncr53c8xx= [HW,SCSI] | ||
1583 | |||
1584 | netdev= [NET] Network devices parameters | 1516 | netdev= [NET] Network devices parameters |
1585 | Format: <irq>,<io>,<mem_start>,<mem_end>,<name> | 1517 | Format: <irq>,<io>,<mem_start>,<mem_end>,<name> |
1586 | Note that mem_start is often overloaded to mean | 1518 | Note that mem_start is often overloaded to mean |
@@ -1859,10 +1791,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1859 | OSS [HW,OSS] | 1791 | OSS [HW,OSS] |
1860 | See Documentation/sound/oss/oss-parameters.txt | 1792 | See Documentation/sound/oss/oss-parameters.txt |
1861 | 1793 | ||
1862 | osst= [HW,SCSI] SCSI Tape Driver | ||
1863 | Format: <buffer_size>,<write_threshold> | ||
1864 | See also Documentation/scsi/st.txt. | ||
1865 | |||
1866 | panic= [KNL] Kernel behaviour on panic | 1794 | panic= [KNL] Kernel behaviour on panic |
1867 | Format: <timeout> | 1795 | Format: <timeout> |
1868 | 1796 | ||
@@ -1895,9 +1823,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1895 | Currently this function knows 686a and 8231 chips. | 1823 | Currently this function knows 686a and 8231 chips. |
1896 | Format: [spp|ps2|epp|ecp|ecpepp] | 1824 | Format: [spp|ps2|epp|ecp|ecpepp] |
1897 | 1825 | ||
1898 | pas16= [HW,SCSI] | ||
1899 | See header of drivers/scsi/pas16.c. | ||
1900 | |||
1901 | pause_on_oops= | 1826 | pause_on_oops= |
1902 | Halt all CPUs after the first oops has been printed for | 1827 | Halt all CPUs after the first oops has been printed for |
1903 | the specified number of seconds. This is to be used if | 1828 | the specified number of seconds. This is to be used if |
@@ -2264,30 +2189,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2264 | 2189 | ||
2265 | sched_debug [KNL] Enables verbose scheduler debug messages. | 2190 | sched_debug [KNL] Enables verbose scheduler debug messages. |
2266 | 2191 | ||
2267 | scsi_debug_*= [SCSI] | ||
2268 | See drivers/scsi/scsi_debug.c. | ||
2269 | |||
2270 | scsi_default_dev_flags= | ||
2271 | [SCSI] SCSI default device flags | ||
2272 | Format: <integer> | ||
2273 | |||
2274 | scsi_dev_flags= [SCSI] Black/white list entry for vendor and model | ||
2275 | Format: <vendor>:<model>:<flags> | ||
2276 | (flags are integer value) | ||
2277 | |||
2278 | scsi_logging_level= [SCSI] a bit mask of logging levels | ||
2279 | See drivers/scsi/scsi_logging.h for bits. Also | ||
2280 | settable via sysctl at dev.scsi.logging_level | ||
2281 | (/proc/sys/dev/scsi/logging_level). | ||
2282 | There is also a nice 'scsi_logging_level' script in the | ||
2283 | S390-tools package, available for download at | ||
2284 | http://www-128.ibm.com/developerworks/linux/linux390/s390-tools-1.5.4.html | ||
2285 | |||
2286 | scsi_mod.scan= [SCSI] sync (default) scans SCSI busses as they are | ||
2287 | discovered. async scans them in kernel threads, | ||
2288 | allowing boot to proceed. none ignores them, expecting | ||
2289 | user space to do the scan. | ||
2290 | |||
2291 | security= [SECURITY] Choose a security module to enable at boot. | 2192 | security= [SECURITY] Choose a security module to enable at boot. |
2292 | If this boot parameter is not specified, only the first | 2193 | If this boot parameter is not specified, only the first |
2293 | security module asking for security registration will be | 2194 | security module asking for security registration will be |
@@ -2321,9 +2222,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2321 | The parameter means the number of CPUs to show, | 2222 | The parameter means the number of CPUs to show, |
2322 | for example 1 means boot CPU only. | 2223 | for example 1 means boot CPU only. |
2323 | 2224 | ||
2324 | sim710= [SCSI,HW] | ||
2325 | See header of drivers/scsi/sim710.c. | ||
2326 | |||
2327 | simeth= [IA-64] | 2225 | simeth= [IA-64] |
2328 | simscsi= | 2226 | simscsi= |
2329 | 2227 | ||
@@ -2395,9 +2293,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2395 | spia_pedr= | 2293 | spia_pedr= |
2396 | spia_peddr= | 2294 | spia_peddr= |
2397 | 2295 | ||
2398 | st= [HW,SCSI] SCSI tape parameters (buffers, etc.) | ||
2399 | See Documentation/scsi/st.txt. | ||
2400 | |||
2401 | stacktrace [FTRACE] | 2296 | stacktrace [FTRACE] |
2402 | Enabled the stack tracer on boot up. | 2297 | Enabled the stack tracer on boot up. |
2403 | 2298 | ||
@@ -2455,18 +2350,12 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2455 | 2350 | ||
2456 | switches= [HW,M68k] | 2351 | switches= [HW,M68k] |
2457 | 2352 | ||
2458 | sym53c416= [HW,SCSI] | ||
2459 | See header of drivers/scsi/sym53c416.c. | ||
2460 | |||
2461 | sysrq_always_enabled | 2353 | sysrq_always_enabled |
2462 | [KNL] | 2354 | [KNL] |
2463 | Ignore sysrq setting - this boot parameter will | 2355 | Ignore sysrq setting - this boot parameter will |
2464 | neutralize any effect of /proc/sys/kernel/sysrq. | 2356 | neutralize any effect of /proc/sys/kernel/sysrq. |
2465 | Useful for debugging. | 2357 | Useful for debugging. |
2466 | 2358 | ||
2467 | t128= [HW,SCSI] | ||
2468 | See header of drivers/scsi/t128.c. | ||
2469 | |||
2470 | tdfx= [HW,DRM] | 2359 | tdfx= [HW,DRM] |
2471 | 2360 | ||
2472 | test_suspend= [SUSPEND] | 2361 | test_suspend= [SUSPEND] |
@@ -2503,10 +2392,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2503 | <deci-seconds>: poll all this frequency | 2392 | <deci-seconds>: poll all this frequency |
2504 | 0: no polling (default) | 2393 | 0: no polling (default) |
2505 | 2394 | ||
2506 | tmscsim= [HW,SCSI] | ||
2507 | See comment before function dc390_setup() in | ||
2508 | drivers/scsi/tmscsim.c. | ||
2509 | |||
2510 | topology= [S390] | 2395 | topology= [S390] |
2511 | Format: {off | on} | 2396 | Format: {off | on} |
2512 | Specify if the kernel should make use of the cpu | 2397 | Specify if the kernel should make use of the cpu |
@@ -2547,9 +2432,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2547 | <port#>,<js1>,<js2>,<js3>,<js4>,<js5>,<js6>,<js7> | 2432 | <port#>,<js1>,<js2>,<js3>,<js4>,<js5>,<js6>,<js7> |
2548 | See also Documentation/input/joystick-parport.txt | 2433 | See also Documentation/input/joystick-parport.txt |
2549 | 2434 | ||
2550 | u14-34f= [HW,SCSI] UltraStor 14F/34F SCSI host adapter | ||
2551 | See header of drivers/scsi/u14-34f.c. | ||
2552 | |||
2553 | uhash_entries= [KNL,NET] | 2435 | uhash_entries= [KNL,NET] |
2554 | Set number of hash buckets for UDP/UDP-Lite connections | 2436 | Set number of hash buckets for UDP/UDP-Lite connections |
2555 | 2437 | ||
@@ -2715,12 +2597,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2715 | overridden by individual drivers. 0 will hide | 2597 | overridden by individual drivers. 0 will hide |
2716 | cursors, 1 will display them. | 2598 | cursors, 1 will display them. |
2717 | 2599 | ||
2718 | wd33c93= [HW,SCSI] | ||
2719 | See header of drivers/scsi/wd33c93.c. | ||
2720 | |||
2721 | wd7000= [HW,SCSI] | ||
2722 | See header of drivers/scsi/wd7000.c. | ||
2723 | |||
2724 | watchdog timers [HW,WDT] For information on watchdog timers, | 2600 | watchdog timers [HW,WDT] For information on watchdog timers, |
2725 | see Documentation/watchdog/watchdog-parameters.txt | 2601 | see Documentation/watchdog/watchdog-parameters.txt |
2726 | or other driver-specific files in the | 2602 | or other driver-specific files in the |