Public bug reported:
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
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1916573
Title:
display can not wake up from sleeping.
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