On Fri, Aug 29, 2008 at 02:05:48PM -0400, Robin Price II wrote:
> Jack,
>
> Do you have any ip_conntrack modules in /etc/sysconfig/iptables-config on
> the IPTABLES_MODULES= line?
>
> -- Robin
I have
IPTABLES_MODULES="ip_conntrack_netbios_ns
which I believe is the default setting. Although no ip_conn* modules
are being loaded.
Jack
>
> On Fri, Aug 29, 2008 at 1:47 PM, Jack Neely <[EMAIL PROTECTED]> wrote:
>
> > Folks,
> >
> > Over the last few months I've seen some repeated kernel panics on some
> > of our RHEL 5 servers that provide a webmail service. These machines
> > have a script that monitors logs to do some basic self-protection by
> > altering the iptables firewall rules. However, at some point, running
> > the iptables command generates a kernel panic in tcp_tso_segment (I
> > believe) and the machine locks hard. The only bits of the kernel panic
> > I can catch are what's left on the screen:
> >
> >
> > http://anduril.unity.ncsu.edu/~slack/panic-20080828.jpg<http://anduril.unity.ncsu.edu/%7Eslack/panic-20080828.jpg>
> >
> > These are running fairly recent kernels: 2.6.18-92.1.10.el5,
> > 2.6.18-53.1.14.el, 2.6.18-92.1.6.el5, etc. Several different hardware
> > types.
> >
> > Any ideas what's happening?
> >
> > Jack Neely
> > --
> > Jack Neely <[EMAIL PROTECTED]>
> > Linux Czar, OIT Campus Linux Services
> > Office of Information Technology, NC State University
> > GPG Fingerprint: 1917 5AC1 E828 9337 7AA4 EA6B 213B 765F 3B6A 5B89
> >
> > _______________________________________________
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> >
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--
Jack Neely <[EMAIL PROTECTED]>
Linux Czar, OIT Campus Linux Services
Office of Information Technology, NC State University
GPG Fingerprint: 1917 5AC1 E828 9337 7AA4 EA6B 213B 765F 3B6A 5B89
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