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 1777674
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/1777674
Title:
Ubuntu 18.04 hangs at "kvm: exiting hardware virtualization" on AMD
servers
Status in dellserver:
New
Status in linux package in Ubuntu:
Confirmed
Status in systemd package in Ubuntu:
New
Bug description:
Ubuntu 18.04 hangs at "kvm: exiting hardware virtualization" on AMD
servers when under graceful reboot stress for 12hrs.
* This hand is observed only when Onboard SATA DVD Drive is connected.
* Not seen with Ubuntu 16.04.4 (HWE kernel v4.13)
* Seen with Ubuntu 18.04 (4.15.0-23-generic, 4.15.0-20-generic)
Steps:
Setup a DellEMC AMD server with Onboard DVD Drive, install Ubuntu 18.04 and
start reboot stress
After a few reboots, observe that the machine hangs at "kvm: exiting hardware
virtualization" and does not proceed with reboot cycles.
Only physical reset helps in continuing the reboot test.
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