On Sun, Oct 13, 2002 at 11:53:29AM +1000, Srihari Vijayaraghavan wrote:
> Oct 11 22:43:19 localhost kernel: Process modprobe (pid: 1675,
this smells like a problem with one of your modules. Please make 100%
sure you use exactly the same .config for both 2.4.20pre10 and
2.4.20pre10aa1 and please try to find which is the module that is
crashing the kernel after it's being loaded. Expect always different
kind of crashes and oopses. You can also try to turn on the slab
debugging option in the kernel hacking menu.
> Code; c01e55e2 <fast_clear_page+12/50>
you also may want to configure the kernel as i686 instead of K7 so
fast_clear_page won't be used to see if it makes any difference.
> The mainline (2.4.20-pre10) does not exhibit this issue. Unlike
> 2.4.20-pre8aa1, 2.4.20-pre10aa1 rebooted itself after the above oops.
>
> I am hoping some of these oops might reveal the real issue/reason/bug to
> kernel developers one of these days.
the place where the oops happens is most certainly not the problem,
either something is wrong with fast_clear_page for whatever hardware
reason, or more likely the moduled by modprobe is corrupting the
freelist and alloc_pages returned garbage.
btw, how much memory do you have? If you've more than 800M it could be a
broken driver using pte_offset by hand, try to reproduce with mem=800m
in such case. To fix this you should find which is the module that is
destabilizing the kernel.
thanks for the reports.
Andrea
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This archive was generated by hypermail 2b29 : Tue Oct 15 2002 - 22:00:48 EST