I have the same problem. There is no response to any key presses (no
fan, as others reported) and I have to hard restart with the power
button.
Dell Precision 7520
Ubuntu 20.04.2 LTS
Quadro M2200 GPU
Nvidia driver 470.57.02
Kernel: 5.4.0-81-generic #91-Ubuntu SMP Thu Jul 15 19:09:17 UTC 2021
I've attached the syslog. The suspend starts at 07:39 with a lid
closure. The resume starts at 08:36. This was presumably after I had to
hard power-cycle it because you can see the power-off. Various key-
presses and short presses on the power button just prior to 08:36
produced nothing in the
Public bug reported:
Also reported here with additional details about my situation.
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1909005
I filed this report to transmit the apport information.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-81-generic 5.4.0-81.91
Verified that the behavior is the same when the laptop is used stand-
alone, unconnected to a docking station.
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https://bugs.launchpad.net/bugs/1981727
Title:
For whatever reason I don't have crashdb.conf ...
kordosky@miketop5:~$ apport-collect 1981727
Traceback (most recent call last):
File "/usr/share/apport/apport-gtk", line 596, in
app = GTKUserInterface()
File "/usr/share/apport/apport-gtk", line 56, in __init__
Perhaps this comment from the changes log is relevant:
amd/display: set backlight only if required
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https://bugs.launchpad.net/bugs/1981727
Title:
kernel
Public bug reported:
A recent update to 5.15.0-41 results in my laptop screen (Dell Precision
7520) being unable to come up to full brightness. I have verified that I
can revert to 5.13.0-52 and the problem is not there. I looked at
/sys/class/backlight/nv_backlight/max_brightness which lists
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