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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:20:36 -0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:20:36 -0400
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /Documentation/debugging-modules.txt
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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1Debugging Modules after 2.6.3
2-----------------------------
3
4In almost all distributions, the kernel asks for modules which don't
5exist, such as "net-pf-10" or whatever. Changing "modprobe -q" to
6"succeed" in this case is hacky and breaks some setups, and also we
7want to know if it failed for the fallback code for old aliases in
8fs/char_dev.c, for example.
9
10In the past a debugging message which would fill people's logs was
11emitted. This debugging message has been removed. The correct way
12of debugging module problems is something like this:
13
14echo '#! /bin/sh' > /tmp/modprobe
15echo 'echo "$@" >> /tmp/modprobe.log' >> /tmp/modprobe
16echo 'exec /sbin/modprobe "$@"' >> /tmp/modprobe
17chmod a+x /tmp/modprobe
18echo /tmp/modprobe > /proc/sys/kernel/modprobe