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
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