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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

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
v4.1 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.1-rc6-unstable/


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1460985

Title:
  periodic find task slow ubuntu to death

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Periodically something starts 'find' program in the background with
  readdir smth in options and it slows down ubuntu to the point the
  music and video got hiccups, mouse lags etc. I suspect it's smth
  related to package or locatedb updates but can't pinpoint the culprit
  yet.

  Anyway, the bugis in slowdown - background tasks should never-ever
  affect the interactive programs running by user. Ideally they should
  be started in dedicated, heavily policed systemd slice.

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