Bug#991788: xfce4-settings: black screen after suspend when laptop lid is closed and re-opened
I have the same issue for months.
Here are my details, tell me if you need more:
Lenovo Thinkpad X390
Buster amd64 with 5.10.46-2~bpo10+1 kernel
xfce 4.12.5
light-locker 1.8.0-3
upower 0.99.10-1
Intel UHD Graphics 620 (i915 driver)
NB:
* My laptop is configured to lock screen when the lid is closed but I use suspend to RAM manually (from the Xfce panel) anyway before closure.
* My workaround is to close the lid one more time, and reopen it less than 1 minute after. The screen comes to life again that way. Of course, I would prefer not having the issue at all :)
HIH
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