[CentOS] netfilter kernel crash in ip_ct_refresh_acct / ip_conntrack with centos 5.x

Pasi Kärkkäinen pasik at iki.fi
Mon Sep 22 08:53:36 UTC 2008


On Fri, Sep 19, 2008 at 03:55:22PM -0400, Jake Holmquist wrote:
> > Hello!
> >
> > Has anyone seen this netfilter kernel crash?
> >
> > Images from the console of the crashed firewall:
> > http://pasik.reaktio.net/centos5-kernel-crash/
> >
> > Firewall is HP DL360 G4 server running CentOS 5.x 32 bit.
> >
> > I've seen this firewall crashing multiple times, but I only started
> investigating it lately..
> >
> > It has happened using CentOS 5.0, 5.1 and now also with 5.2. I'm not sure
> if
> > it was the same bug earlier, but at least the last two times (with CentOS
> 5.2)
> > it has been the same, see screenshots.
> >
> > Last lines of the console output:
> >
> > EIP: [<f8af2c5c>] __ip_ct_refresh_acct+0xa1/0x129 [ip_conntrack] SS:ESP
> 0068:c0724e4c
> >  <0>Kernel panic - not syncing: Fatal exception in interrupt
> >
> > At the moment firewall is running CentOS 5.2, Linux kernel
> 2.6.18-92.1.10.el5.centos.plus.
> >
> > Any tips how to resolve this?
> 
> 
> Take a look here:
> https://bugzilla.redhat.com/show_bug.cgi?id=433661
> 
> Looks like a test kernel is available....
> 
> 
> We've been having this problem for quite some time - actually moved our
> production box to RHEL 4.x
> 

Thanks! This looks like a same bug I'm seeing.. 

I think I'll try latest RHEL 5.3 test kernel on that fw box..

-- Pasi


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