*** This bug is a duplicate of bug 1968040 ***
https://bugs.launchpad.net/bugs/1968040
I have a similar problem using an external HDMI monitor connected to a
laptop.
It happens with the blank screen after a period of inactivity (without
using the screen lock).
After the screen has gone
*** This bug is a duplicate of bug 1968040 ***
https://bugs.launchpad.net/bugs/1968040
Thanks.
Comment #8 confirms this is a duplicate of bug 1968040.
Workaround: Add MUTTER_DEBUG_ENABLE_ATOMIC_KMS=0 to /etc/environment. Although
you only need that while using Wayland sessions...
Comment
This maybe unrelated but I'll write it here too:
Since 22.04 the mouse movement on my external monitor feels laggy,
jerky, while on the internal display it feels ok. I think on Ubuntu
20.04 there was not such an issue. I use Windows (same configuration)
and macOS too with this monitor and they
Some additional information + the included log.
1. During "sleep" the internal display appears to be powered off but the
external is blank but powered on (which means it glows in the dark).
2. I tried to reproduce the behavior by "suspending". When I resumed both
displays turned on but instead
Thank you Daniel, I just did (bug #1971674)
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https://bugs.launchpad.net/bugs/1971149
Title:
Wayland session: Internal display is black after sleep
Status in linux package
Here you have
** Attachment added: "journal.txt"
https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1971149/+attachment/5586890/+files/journal.txt
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Jorge, please open a new bug from the affected machine by running:
ubuntu-bug gnome-shell
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https://bugs.launchpad.net/bugs/1971149
Title:
Wayland session: Internal
I'm facing a similar issue. I'm also using Wayland and a Nvidia MX150
card. Let me attach the log once I have the issue again. It seems to
happen after long periods of sleep.
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Note to self - might be HDMI bug 1968040
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https://bugs.launchpad.net/bugs/1971149
Title:
Wayland session: Internal display is black after sleep
Status in linux package in
Thanks for the bug report.
The kernel log in CurrentDmesg.txt suggests the i915 graphics driver is
having trouble resuming from sleep. We would like to see the whole log
so please run this command after resuming:
journalctl -b0 > journal.txt
and attach the resulting text file here.
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