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[Bug 1343248] Re: cpu stuck for N seconds kernel bug in 3.13 to 3.15


Did this issue occur in a previous version of Ubuntu, or is this a new

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.16 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:

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/v3.16-rc6-utopic/

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

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  cpu stuck for N seconds kernel bug in 3.13 to 3.15

Status in “linux” package in Ubuntu:

Bug description:
  ubuntu version 14.04 
  linux kernel version 3.13-0.29
  What is expected: no kernel oops
  What happened instead: kernel oops

  This bug is non deterministic and manifests in 1 day or two to 10
  days. This is observed especially with running processes of
  multithreaded  java. The log shows cpu #N stuck for M seconds!

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