[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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Mohammed Naser, did you personally test the patch in #7 and confirm it
fixes your issue?
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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This seems to have taken care of it
http://git.kernel.org/cgit/linux/kernel/git/tip/tip.git/commit/?id=54d27365cae88fbcc853b391dcd561e71acb81fa
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** Changed in: linux (Ubuntu)
Importance: Undecided = High
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https://bugs.launchpad.net/bugs/1458045
Title:
KVM and CFS bandwidth control causes kernel crashes (oops)
Chris,
There's been a few other proposed patches, but my biggest issue now is
trying to replicate it over here before trying to look at patches, or
else there's no way for me to say this works.
I'm working on something to try and replicate it today and I'll keep
this bug updated.. I hope it goes
** Tags added: bios-outdated-1.2.10
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https://bugs.launchpad.net/bugs/1458045
Title:
KVM and CFS bandwidth control causes kernel crashes (oops)
Status in linux package in
@mnaser,
I haven't had a ton of time to look into this yet.
Have you tried the following to see if you still get an issue?
1) Running a 4.0+ kernel
2) Patching with https://lkml.org/lkml/2015/4/7/611
Also it may be helpful to know how you are configuring cgroups for your qemu
processes in order
There is currently a pending patch for this issue, I'll update the bug
when it lands
http://lkml.iu.edu/hypermail/linux/kernel/1505.3/01029.html
http://lkml.iu.edu/hypermail/linux/kernel/1505.3/01030.html
Thank you
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** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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https://bugs.launchpad.net/bugs/1458045
Title:
KVM and CFS bandwidth control causes kernel crashes
Just wanted to add this as it might be useful (I'm trying to do
troubleshooting):
crash dis -rl 810af2f8
/build/buildd/linux-lts-utopic-3.16.0/kernel/sched/fair.c: 4745
0x810af280 pick_next_task_fair: nopl 0x0(%rax,%rax,1)
0x810af285 pick_next_task_fair+5: push
I suspect the following has occured:
https://github.com/torvalds/linux/blob/v3.16/kernel/sched/fair.c#L4829
if (!cfs_rq-nr_running)
goto idle;
put_prev_task(rq, prev);
do {
se = pick_next_entity(cfs_rq, NULL);
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