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[Bug 1505564] Re: Soft lockup with "block nbdX: Attempted send on closed socket" spam
That is good feedback. I also received another request to backport this
to 3.13 SO I'll be providing the hotfixed kernel in the same PPA soon
(tomorrow morning most likely).
Attaching the 3.13 patches (just for reference since the SRU process
requires me to send all those patches to kernel-team mailing list).
Lets see if things continue good. If, by any chance, you are able to
test this 3.13 kernel - maybe in another server - please provide me
Thank you very much
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Soft lockup with "block nbdX: Attempted send on closed socket" spam
Status in linux package in Ubuntu:
Some of our nova compute hosts regularly freeze, sometimes for a few
hours, with kern.log getting spammed with:
block nbdX: Attempted send on closed socket
and a few "CPU soft lockup" messages (see attached log). This clears
up when the queue gets cleared, eg :
block nbdX: queue cleared
trusty hosts with kernel version 3.19.0-30-generic.
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