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I have Kubuntu 22.04 and KDE 5.24.7 on my desktop. On 4/19/24 it
downloaded and installed kernel 6.5.0-28-generic. After restarting, I
suddenly had 2 issues:
1. I have 2 monitors. One of the monitors would not turn on while in the
KDE desktop. However, while booting and also after getting into KDE and
pressing CTRL-ALT-F2 to switch to the terminal the monitor worked, so I knew
there wasn't a hardware problem with the monitor.
2. I could no longer put the computer into sleep mode. When I clicked on
"sleep", it appeared to go into sleep mode (the working monitor would turn
off), but the CPU fan never turned off and it was still "awake".
I was able to revert back to 6.5.0-27-generic from the grub menu and the
above issues went away, but they are concerning and I can't use
6.5.0-28-generic.
Start-Date: 2024-04-19 19:39:32
Commandline: /usr/bin/unattended-upgrade
Install: linux-modules-extra-6.5.0-28-generic:amd64 (6.5.0-28.29~22.04.1,
automatic), linux-hwe-6.5-headers-6.5.0-28:amd64 (6.5.0-28.29~22.04.1,
automatic), linux-modules-6.5.0-28-generic:amd64 (6.5.0-28.29~22.04.1,
automatic), linux-image-6.5.0-28-generic:amd64 (6.5.0-28.29~22.04.1,
automatic), linux-headers-6.5.0-28-generic:amd64 (6.5.0-28.29~22.04.1,
automatic)
Upgrade: linux-image-generic-hwe-22.04:amd64 (6.5.0.27.28~22.04.1,
6.5.0.28.29~22.04.1), linux-headers-generic-hwe-22.04:amd64
(6.5.0.27.28~22.04.1, 6.5.0.28.29~22.04.1), linux-generic-hwe-22.04:amd64
(6.5.0.27.28~22.04.1, 6.5.0.28.29~22.04.1)
End-Date: 2024-04-19 19:40:36
$ lsb_release -rd
Description: Ubuntu 22.04.4 LTS
Release: 22.04
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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sudden issues with monitors and sleep mode with 6.5.0-28-generic kernel
https://bugs.launchpad.net/bugs/2063259
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