Re: [Bugme-new] [Bug 10586] New: High Number of SegfaultsonMacBookStarting With 2.6.24.5 Kernel

From: Andrew Morton
Date: Thu May 01 2008 - 22:29:40 EST


On Thu, 1 May 2008 19:08:15 -0700 Phil Oester <kernel@xxxxxxxxxxxx> wrote:

> FWIW, I recently upgraded some boxes to 2.6.24.x, and started seeing tons of
> qmail segfaults, which look remarkably similar to the above problem. 2.6.21
> did not exhibit this issue.
>
> May 1 22:06:03 mail80 kernel: qmail-smtpd[5319]: segfault at 0 ip 4884b473 sp fffeec1c error 4 in libc-2.6.so[487dd000+14e000]
> May 1 22:06:03 mail80 kernel: qmail-smtpd[5491]: segfault at 0 ip 4884b473 sp ffb7179c error 4 in libc-2.6.so[487dd000+14e000]
> May 1 22:06:03 mail80 kernel: qmail-smtpd[4669]: segfault at 0 ip 4884b473 sp fff3135c error 4 in libc-2.6.so[487dd000+14e000]
> May 1 22:06:05 mail80 kernel: qmail-smtpd[5906]: segfault at 0 ip 4884b473 sp ffe1b24c error 4 in libc-2.6.so[487dd000+14e000]
> May 1 22:06:07 mail80 kernel: qmail-smtpd[5898]: segfault at 0 ip 4884b473 sp ffe4e27c error 4 in libc-2.6.so[487dd000+14e000]
> May 1 22:06:11 mail80 kernel: qmail-smtpd[5840]: segfault at 0 ip 4884b473 sp ffe04a2c error 4 in libc-2.6.so[487dd000+14e000]
>

Can you try fiddling with the norandmaps boot option and
/proc/sys/kernel/randomize_va_space?
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