[c-nsp] CEF CPUHOG on GSR 12.0(S)

[Serguei Bezverkhi]

Hello David,
 
Could you please post the output of the following command:
 
exec slot 6 sh cef events
 
 
This information could help to identify the root cause for CEF CPU Hog.
 
Thank you
 
Serguei



> Date: Sun, 14 Oct 2007 13:34:08 +0100> From: david.freedman at uk.clara.net> To: cisco-nsp at puck.nether.net> Subject: [c-nsp] CEF CPUHOG on GSR 12.0(S)> > Recently we've been seeing some messages in the log with regards to> a CPUHOG event occuring on some engine 2 linecards we have running.> > It didn't seem to be traffic affecting, and looked a little like this:> > SLOT 6:Oct 12 03:17:41 DST: %SYS-3-CPUHOG: Task ran for 7312 msec (0/0),> process = CEF LC IPC Background, PC = 400FC324.> > Box is running 12.0(32)S5 and has not logged these messages before.> > This slot faces an upstream provider.> > Upon speaking with another provider, running 12.0(32)S6, they have> been seeing the same messages on their kit but not at the same times, on> E2 linecards facing an IXP, they are running S6.> > We are both running IPv6 and I have all routing messages filtered on the> upstream port (in case this was related to any RH0 nastyness)> > #sh ipv6 access-list> IPv6 access list bogons6> deny ipv6 any any routing sequence 10> <snip>> > One thing of note is that this could be related to bugid CSCsb12281 but> this does not seem to effect S6, could any friendly cisco people on here> expand a bit on this bug?> > Many thanks,> > Dave.> _______________________________________________> cisco-nsp mailing list cisco-nsp at puck.nether.net> https://puck.nether.net/mailman/listinfo/cisco-nsp> archive at http://puck.nether.net/pipermail/cisco-nsp/