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 1916573
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
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https://bugs.launchpad.net/bugs/1916573
Title:
display can not wake up from sleeping.
Status in linux package in Ubuntu:
Incomplete
Bug description:
os system: ubuntu 20.04.2 LTS
when I press the keyboard, I saw new log from ssh terminal.
/var/log/kern.log
Feb 23 17:31:56 shaozj-HPDesk kernel: [23628.303887] [drm:lspcon_wait_mode
[i915]] *ERROR* LSPCON mode hasn't settled
Feb 23 17:31:56 shaozj-HPDesk kernel: [23628.307888] i915 0000:00:02.0: [drm]
*ERROR* Link Training Unsuccessful
Feb 23 17:32:48 shaozj-HPDesk kernel: [23679.346636] [drm:lspcon_wait_mode
[i915]] *ERROR* LSPCON mode hasn't settled
Feb 23 17:32:48 shaozj-HPDesk kernel: [23679.350790] i915 0000:00:02.0: [drm]
*ERROR* Link Training Unsuccessful
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