I just faced it again.
Joseph, do you have a confirmation, if it fixes this issue?
If so, it could be backported to the LTS kernel...
It's really annoying and LXC is hard to sell anyone, if the host
machine goes down from time to time.
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It happened again, ipmi console is captured and attached.
Unfortunately apport wasn't installed on the machine.
It's running Trusty.
** Attachment added: lxc-oops.jpg
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1278591/+attachment/4201422/+files/lxc-oops.jpg
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commit 945b2b2d259d1a4364a2799e80e8ff32f8c6ee6f ?
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https://bugs.launchpad.net/bugs/1278591
Title:
kernel hard lock on lxc-stop
Status in “linux” package in Ubuntu:
Do you have a way to reproduce the oops? If so, I can perform a cherry-
pick of commit 945b2b2d259d1a4364a2799e80e8ff32f8c6ee6f and build a test
kernel.
** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Trusty)
Status: New =
You could also test the mainline kernel, which has commit 945b2b2 and see if it
resolves this bug. It can be downloaded from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.17-rc4-utopic/
** Bug watch added: Linux Kernel Bug Tracker #65191
http://bugzilla.kernel.org/show_bug.cgi?id=65191
Not really, this was the second case I encountered it in a very long time.
My guess is that it could be reproduced in reasonable time with moderate
network traffic and a bunch of lxc-start/stop. After a while it should happen.
Anyway reading the commit message it's very probable, that this
** Attachment added: kernel oops message screenshot
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1278591/+attachment/3976252/+files/lxc-stop-oops.png
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Did this just start happening after a recent update or upgrade? Was
there a prior kernel that did not exhibit this bug?
** Changed in: linux (Ubuntu)
Importance: Undecided = High
** Tags added: kernel-da-key
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No, it was running for weeks or so.
Otherwise it's a fresh install, so I don't know, if there was any kernel
without this bug.
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https://bugs.launchpad.net/bugs/1278591
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