This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1940134
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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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:
In Progress
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.
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