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SubjectRe: 2.6.15-rt21, BUG at net/ipv4/netfilter/ip_conntrack_core.c:124
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On Sun, 2006-03-26 at 16:33 -0800, Fernando Lopez-Lezcano wrote:
> On Mon, 2006-03-27 at 01:19 +0200, Ingo Molnar wrote:
> > * Fernando Lopez-Lezcano <nando@ccrma.Stanford.EDU> wrote:
> > > > On Sun, 2006-03-26 at 18:34 +0200, Ingo Molnar wrote:
> > > > * Ingo Molnar <mingo@elte.hu> wrote:
> > > >
> > > > > > Mar 23 15:22:48 host kernel: BUG at
> > > > > > net/ipv4/netfilter/ip_conntrack_core.c:124!
> > > > >
> > > > > does the patch below help?
> > > >
> > > > updated patch below.
> > >
> > > Thanks! I'll test later today. It may take a while to be reasonably
> > > sure whether it makes a difference. The hangs have not been frequent.
> > >
> > > If I try a 2.6.16 based kernel, should I also use this patch?
> >
> > not needed - it's included in -rt10. (-rt9 had it too but was buggy)
>
> Oh well, I just experienced another complete hang, no traces left
> behind, reset button was the only option :-( So most probably this
> problem is unrelated to your fix.

This morning I got a not-so-complete hang, that is, a sysrq-b key
combination surprisingly rebooted the machine!

So I tried again and managed to get it to hang, and captured a sysrq-T
trace of all running programs through a serial console link, which I
attach to this email (including the boot process that led to it). This
is running 2.6.15.7 + 2.6.15-rt21 + small fix you sent a few days ago on
an Athlon X2. I was logged in running evolution, mozilla and downloading
some iso images with bittorrent.

Hopefully some clue will be found on what the heck is happening...
Thanks for all the help so far!
-- Fernando

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