Screen blinks when entering suspend

Bug #1952823 reported by Yao Wei
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
OEM Priority Project
New
Medium
Unassigned
nvidia-graphics-drivers-470 (Ubuntu)
New
Undecided
Unassigned

Bug Description

[Summary]
The screen turns on for a moment when laptop is entering suspend.

This issue happens on Dell Latitude 5421.

[Steps to reproduce]
1. Enter suspend via power menu
2. Observe the display

(Note that `rtcwake` may not able to reproduce this issue. `systemctl suspend` may reproduce this.)

[Expected result]
The screen should not turn back on if the system is going to suspend.

[Actual result]
When "Suspend" is clicked, screen turns off, then turns back on for a moment, then turns off before laptop entering suspend.

Revision history for this message
Yao Wei (medicalwei) wrote :
Yao Wei (medicalwei)
description: updated
Yao Wei (medicalwei)
tags: added: oem-priority originate-from-1952020 somerville
tags: added: originate-from-1945730
tags: added: originate-from-1949668
tags: added: originate-from-1947975
Yao Wei (medicalwei)
description: updated
jeremyszu (os369510)
tags: added: originate-from-1948923 stella
Revision history for this message
Yao Wei (medicalwei) wrote :
Alex Tu (alextu)
Changed in oem-priority:
importance: Undecided → Medium
jeremyszu (os369510)
Changed in oem-priority:
assignee: nobody → jeremyszu (os369510)
jeremyszu (os369510)
tags: added: originate-from-1955956
tags: added: originate-from-1955628
Revision history for this message
jeremyszu (os369510) wrote :

I've not aware of this since 510

Changed in oem-priority:
assignee: jeremyszu (os369510) → nobody
jeremyszu (os369510)
tags: added: originate-from-2017226
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