This bug is awaiting verification that the 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-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag 'verification-needed-bionic' to 'verification-failed-
bionic'.

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: verification-needed-bionic

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-hwe-5.8 in Ubuntu.
https://bugs.launchpad.net/bugs/1940134

Title:
  fails to launch linux L2 guests on AMD

Status in linux package in Ubuntu:
  Incomplete
Status in linux-hwe-5.8 package in Ubuntu:
  Invalid
Status in linux source package in Bionic:
  Fix Committed
Status in linux-hwe-5.8 source package in Bionic:
  Invalid
Status in linux source package in Focal:
  Fix Committed
Status in linux-hwe-5.8 source package in Focal:
  Invalid
Status in linux source package in Hirsute:
  Invalid
Status in linux-hwe-5.8 source package in Hirsute:
  Invalid

Bug description:
  [Impact]
  Users won't be able to run a Linux inside a Linux guest.

  [Test case]
  Launch an L1 guest with libvirt, then launch an L2 guest using qemu inside 
that first/L1 guest.

  [Potential regression]
  There might be reduced performance due to vmexits for interrupt handling.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1940134/+subscriptions


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