This bug is awaiting verification that the linux-gcp-tcpx/5.15.0-1002.2
kernel in -proposed solves the problem. Please test the kernel and
update this bug with the results. If the problem is solved, change the
tag 'verification-needed-focal-linux-gcp-tcpx' to 'verification-done-
focal-linux-gcp-tcpx'. If the problem still exists, change the tag
'verification-needed-focal-linux-gcp-tcpx' to 'verification-failed-
focal-linux-gcp-tcpx'.


If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.


See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-focal-linux-gcp-tcpx-v2 
verification-needed-focal-linux-gcp-tcpx

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-gcp in Ubuntu.
https://bugs.launchpad.net/bugs/2034894

Title:
  Fix requested for SEV live-migration

Status in linux-gcp package in Ubuntu:
  Fix Released
Status in linux-gcp source package in Focal:
  Fix Released
Status in linux-gcp source package in Jammy:
  Fix Released
Status in linux-gcp source package in Lunar:
  Fix Released
Status in linux-gcp source package in Mantic:
  Fix Released

Bug description:
  The following upstream fix is requested to resolve issues with SEV
  live-migration:

  
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=ac3f9c9f1b37edaa7d1a9b908bc79d843955a1a2

  More details in:

  https://canonical.lightning.force.com/lightning/r/Case/5008e00000HNdQ8AAL/view

  Testing:
   - Boot-tested each of f/gcp, j/gcp and l/gcp
   - GCP has tested each of them as well and reported that the live-migration 
issue under SEV gets resolved.


  Regression potential:
   - The change affects arch/x86/kernel/kvm.c so KVM on x86 can be impacted. It 
is a minimalistic change though, and regression risk is considered low.

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