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 1928601
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
** Tags added: bionic
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https://bugs.launchpad.net/bugs/1928601
Title:
Ubuntu fails to start by default after upgrade 18.04 to 20.04 in
virtual machine
Status in linux package in Ubuntu:
Incomplete
Bug description:
When upgrading virtual machine from Ubuntu 18.04 to 20.04 it fails to
boot with kernel panic to run 5-series kernel, which is default in
20.04, but can run 4-series kernel, which comes with Ubuntu 18.04.
Tested with Microsoft's Hyper-V and Ubuntu's libvirt qemu. Results are
identical.
More information https://askubuntu.com/questions/1338236/ubuntu-fails-
to-start-by-default-after-upgrade-18-04-to-20-04/1338722#1338722
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