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[Fedora-xen] kernel-xen crash dump analysis



After upgrading to F8 I still had a dom0 crash last night, but didn't catch any output. I think it's still the null pointer dereference in tcp_tso_segment, possibly  brought to prominence by traffic shaping in a busy domU. 

I'd like to catch a crash dump the next time it happens so I can (hopefully) intelligently report this bug somewhere.

I'm looking at 
http://fedoraproject.org/wiki/FC6KdumpKexecHowTo 
http://www.redhatmagazine.com/2007/08/15/a-quick-overview-of-linux-kernel-crash-dump-analysis/

There is no mention of Xen. I don't see a kernel-xen-debuginfo rpm for f8 or even f7, but there is one for f9 in rawhide it appears. Is kernel-debuginfo sufficient even if running xen? The versions differ, so I would imagine not.

# yum --enablerepo=fedora-debuginfo list kernel-xen-debuginfo kernel-debuginfo
Available Packages
kernel-debuginfo.x86_64                  2.6.23.1-49.fc8        updates-debuginf

# rpm -q kernel kernel-xen
kernel-2.6.23.1-49.fc8
kernel-xen-2.6.21-2950.fc8

Any advice on how capture some useful info from a crashing dom0 kernel?

--
Dale Bewley - Unix Administrator - Shields Library - UC Davis
GPG: 0xB098A0F3 0D5A 9AEB 43F4 F84C 7EFD  1753 064D 2583 B098 A0F3


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