Public bug reported:
This seems to be a bug that has regressed, I have encountered the same
issue as 2 other reports:
LP: #1349897
Running kernel: 3.13.0-46-generic
This is replicated over many compute nodes (KVM) running OpenStack.
The workaround is to disable KSM:
echo 2 > /sys/kernel/mm/ksm/run
This fixes the issue temporarily.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: regression-release
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https://bugs.launchpad.net/bugs/1435363
Title:
KSM causing performance and instability issues
Status in linux package in Ubuntu:
Incomplete
Bug description:
This seems to be a bug that has regressed, I have encountered the same
issue as 2 other reports:
LP: #1349897
Running kernel: 3.13.0-46-generic
This is replicated over many compute nodes (KVM) running OpenStack.
The workaround is to disable KSM:
echo 2 > /sys/kernel/mm/ksm/run
This fixes the issue temporarily.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1435363/+subscriptions
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