*** This bug is a duplicate of bug 1637520 ***
https://bugs.launchpad.net/bugs/1637520
Is it really a good idea to mark this well-described bug as a duplicate
of something that just describes a solution?
I find one of the most valuable things we can do to propel the community
forward is to
*** This bug is a duplicate of bug 1637520 ***
https://bugs.launchpad.net/bugs/1637520
** This bug has been marked a duplicate of bug 1637520
Yakkety update to v4.8.5 stable release
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@jsalisbury - I tried your kernel, it fixes the issue for me.
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https://bugs.launchpad.net/bugs/1638278
Title:
4.8 kernel, under heavy load desktop unusable
Status in
Indeed bug 1627108 sounds similar
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https://bugs.launchpad.net/bugs/1638278
Title:
4.8 kernel, under heavy load desktop unusable
Status in linux package in Ubuntu:
Can you also give this kernel a test to see if it's the same sched bug:
http://kernel.ubuntu.com/~jsalisbury/lp1627108/upstream/
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https://bugs.launchpad.net/bugs/1638278
Installing kernel from http://kernel.ubuntu.com/~kernel-
ppa/mainline/v4.9-rc3 fixes the issue
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https://bugs.launchpad.net/bugs/1638278
Title:
4.8 kernel, under heavy load
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
4.8 kernel, under heavy load desktop unusable
Status
Tested with 4.9rc3 and things are working again (sweet and thanks!). I
went back to 4.8.0.11 and it was still an issue there. As well as
checking 4.4.0.34 and zero issues with that. So seems to have happened
when going from 4.4 --> 4.8
** Tags added: kernel-fixed-upstream
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Maybe related: bug 1637666
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Title:
4.8 kernel, under heavy load desktop unusable
Status in linux package in Ubuntu:
Incomplete
This could be related to IO scheduling. In the past Unity7 has been
guilty of doing IO during graphics operations. So graphics performance
was impacted by heavy IO.
I haven't noticed this regression with kernel 4.8 myself. Perhaps
because I've been using reasonably efficient SSDs?
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You
Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.9
This happens for me as well. More then enough Mem/swap left. Easy to
reproduce when compiling -j4.
Testing with 4.4 and no issues.
If you need more hardware information let me know!
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