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[Bug 1558720] [NEW] [Hyper-V] patches to allow kdump crash through NMI

 

Public bug reported:

Hello,

Please include the below patches into Xenial, previous releases might also require it.
These allow for a crash to be triggered through a NMI call, and for the whole crash process to complete successfully.
Otherwise, the VM might just hang and not write the dump core files.

7268644734f6a300353a4c4ff8bf3e013ba80f89 Drivers: hv: vmbus: Support kexec on ws2012 r2 and above
d81274aae61c0a045cd0f34191c51fa64ba58bc4 Drivers: hv: vmbus: Support handling messages on multiple CPUs

Thank you!

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: hyper-v kernel-da-key kernel-hyper-v

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https://bugs.launchpad.net/bugs/1558720

Title:
  [Hyper-V] patches to allow kdump crash through NMI

Status in linux package in Ubuntu:
  New

Bug description:
  Hello,

  Please include the below patches into Xenial, previous releases might also require it.
  These allow for a crash to be triggered through a NMI call, and for the whole crash process to complete successfully.
  Otherwise, the VM might just hang and not write the dump core files.

  7268644734f6a300353a4c4ff8bf3e013ba80f89 Drivers: hv: vmbus: Support kexec on ws2012 r2 and above
  d81274aae61c0a045cd0f34191c51fa64ba58bc4 Drivers: hv: vmbus: Support handling messages on multiple CPUs

  Thank you!

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