[Bug 1512185] Re: qemu-nbd on ARM64 deadlock? Stuck in rt_sigtimedwait([BUS ALRM IO], ..) and futex(0x7f749ec230, FUTEX_WAIT, ...)

[Joseph Salisbury]

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
v4.3 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'.

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/v4.3-unstable/


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

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1512185

Title:
  qemu-nbd on ARM64 deadlock? Stuck in rt_sigtimedwait([BUS ALRM IO],
  ..) and futex(0x7f749ec230, FUTEX_WAIT, ...)

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