*** This bug is a duplicate of bug 1968040 ***
https://bugs.launchpad.net/bugs/1968040
Thanks for the bug report. I think we should group this with bug 1968040
which also mentions a workaround:
Add to /etc/environment:
MUTTER_DEBUG_FORCE_KMS_MODE=simple
and then reboot.
Please also test without a dock so we know if that's a major factor.
** This bug has been marked a duplicate of bug 1968040
[i915] Blanked screen doesn't wake up after locking [drmModeAtomicCommit:
Argument invalide] [drmModeAtomicCommit: Invalid argument]
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https://bugs.launchpad.net/bugs/2167728
Title:
External monitor on USB-C dock stays black after unlock; mutter atomic
KMS commit fails with Invalid argument
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