[Expired for qemu-kvm (Ubuntu) because there has been no activity for 60
days.]
** Changed in: qemu-kvm (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1368
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1368439
T
Is this still an issue for you?
There were some actual KSM corruption bugs which were somewhat recently
fixed.
KSM in general wil use more CPU in order to reduce memory contention, so
your results are not necessarily unexpected. Aside from turning KSM
off, you can also reduce the KSM frequency.
Wait, someone else needs to mark it as confirmed.
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https://bugs.launchpad.net/bugs/1368439
Title:
Random high latency with KSM enabled and multiple CPU sockets
To manage notifications
I've looked through all the logs that are relevant and can't find any
specific output that's relevant - marking as confirmed.
If you've got any logs in specific you need me to pull out I can do so.
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** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: linux
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https://bugs.launchpad.net/bugs/1368439
Title:
Random high latency with KSM ena
I should add that to fix this while running you need to do, as root:
echo 2 > /sys/kernel/mm/ksm/run
This makes the pages duplicate, might take a second or two and disables
KSM.
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https:/
