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
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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