I have seen the same issue, in my case on a desktop machine when my machine goes to sleep with a dock attached, or, with the dock attached, when I run `xset dpms force off`
lsb_release -a
Distributor ID: Ubuntu Description: Ubuntu 23.04 Release: 23.04 Codename: lunar
uname -a
Linux hostname 6.2.0-33-generic #33-Ubuntu SMP PREEMPT_DYNAMIC Tue Sep 5 14:49:19 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
I have seen the same issue, in my case on a desktop machine when my machine goes to sleep with a dock attached, or, with the dock attached, when I run `xset dpms force off`
lsb_release -a
Distributor ID: Ubuntu
Description: Ubuntu 23.04
Release: 23.04
Codename: lunar
uname -a
Linux hostname 6.2.0-33-generic #33-Ubuntu SMP PREEMPT_DYNAMIC Tue Sep 5 14:49:19 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux