Bug#597489: kswapd ownes the whole cpu resources, unable to reboot
Package: linux-image-2.6.32-bpo.5-amd64
Version: 2.6.32-21~bpo50+1
Severity: important
/var/log/kern.log: http://pastebin.com/FVV25wf4
libc6: 2.7-18lenny4
System: Dell PowerEdge R710
Hi - we have some problems with backported kernels for a few weeks. This is the first time that we got a nice output from the kernel. I think because we've updated from 2.6.32-15~bpo50+1.
We had a few crashs with the old package which results in a kill of our network and the server itself - results in an EOI Message we have seen in the remote access unit.
The switch has set itself to the root instance of the spanning tree.
Now in the new case we observed a high load (between 80 and 100) with the new package and a look in the processtable has shown that kswapd is running with a cpu load of 100%. We wanted to reboot the system by hand - but nothing happened and we had to reset it. The network didn't care about that problem.
Feel free and request more information please.
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