On Thu, May 01, 2008 at 05:34:08PM -0700, Andrew Morton wrote:
quoted text
> On Thu, 01 May 2008 17:04:36 -0700
> Ryan Roth <ryanroth@sbcglobal.net> wrote:
> 
> > Since this last boot I have only got these:
> > 
> > > May 1 16:26:25 kernel: gnome-power-man[3112]: segfault at 0 ip 410fda 
> > > sp 7fff4712c870 error 4 in gnome-power-manager[400000+47000]
> > > May 1 16:26:25 kernel: gnome-power-man[3116]: segfault at 0 ip 410fda 
> > > sp 7fff2959cce0 error 4 in gnome-power-manager[400000+47000]
> > > May 1 16:26:25 kernel: gnome-power-man[3119]: segfault at 0 ip 410fda 
> > > sp 7fffc7671db0 error 4 in gnome-power-manager[400000+47000]
> 
> OK.
> 
> Well I don't know what the heck to do about that.  It could be that we've
> gone and changed the contents of (say) an acpi /proc file, and this happens
> to cause your particular version of gnome-power-manager to take a different
> (and buggy) codepath, so it crashes.  Or something like this.
> 
> I hate to do this to you, but our best hope for getting to the bottom of
> this is for you to run a git bisection search to find out what we did which
> triggered this.  http://www.kernel.org/doc/local/git-quick.html has some
> instructions.
> 
> Or you could go the other route and work out where and why
> gnome-power-manager is crashing.
> 
> You could try upgrading (or downgrading) your gnome-power-manager version,
> see if that affects things.
> 
> Does the problem affect only gnome-power-manager?

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]

Phil
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