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Message #147551
[Bug 1505564] Re: Soft lockup with "block nbdX: Attempted send on closed socket" spam
Okay,
PPA is ready:
https://launchpad.net/~inaddy/+archive/ubuntu/lp1505564/+packages
Please upgrade kernel to:
linux-lts-vivid - 3.19.0-36.41~14.04.1hf00090138v20151122b1
By doing:
$ sudo add-apt-repository ppa:inaddy/lp1505564
$ sudo apt-get update
$ sudo apt-get install linux-image-3.19.0-36-generic linux-image-extra-3.19.0-36-generic linux-headers-3.19.0-36-generic
And make sure packages are being installed from PPA. Then reboot server
using the hotfixed kernel.
I'm looking forward on hearing feedback if this kernel mitigated the
issues.
Cheers
Rafael Tinoco
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1505564
Title:
Soft lockup with "block nbdX: Attempted send on closed socket" spam
Status in linux package in Ubuntu:
In Progress
Bug description:
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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References