This bug was fixed in the package nvidia-graphics-drivers-450 -
450.102.04-0ubuntu0.18.04.1
---------------
nvidia-graphics-drivers-450 (450.102.04-0ubuntu0.18.04.1) bionic; urgency=medium
* New upstream release (LP: #1906680):
- CVE-2021-1052, CVE-2021-1053.
*
debian/templates/nvidia-compute-utils-flavour.nvidia-persistenced.service.in:
Run persistenced.service before systemd-backlight@backlight:nvidia_0
(LP: #1885087).
-- Alberto Milone <alberto.mil...@canonical.com> Mon, 04 Jan 2021
16:11:01 +0100
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to nvidia-graphics-drivers-450 in Ubuntu.
https://bugs.launchpad.net/bugs/1885087
Title:
Can't keep brightness value after reboot/poweroff in some nvidia gfx
Status in OEM Priority Project:
Fix Committed
Status in OEM Priority Project bionic series:
Fix Committed
Status in OEM Priority Project focal series:
Fix Committed
Status in nvidia-graphics-drivers-450 package in Ubuntu:
In Progress
Status in nvidia-graphics-drivers-455 package in Ubuntu:
Fix Committed
Status in nvidia-graphics-drivers-450 source package in Bionic:
Fix Released
Status in nvidia-graphics-drivers-455 source package in Bionic:
Fix Released
Status in nvidia-graphics-drivers-450 source package in Focal:
In Progress
Status in nvidia-graphics-drivers-455 source package in Focal:
Fix Released
Status in nvidia-graphics-drivers-450 source package in Groovy:
Fix Released
Status in nvidia-graphics-drivers-455 source package in Groovy:
Fix Released
Bug description:
systemd-backlight saves the brightness value right before
shutdown.target, however it doesn't work because the nvidia_0
backlight sysfs disappears after GFX device is closed by Xorg, long
before shutdown.target.
[Impact]
System can not keep the brightness value, after reboot/poweroff the
brightness will still be highest.
[Fix]
Suggested by Nvidia, we need to run nvidia-persistenced.service before
systemd-backlight@backlight:nvidia_0.service
[Test Case]
Adjust the brightness value, reboot, the value must keep persistence during
boots.
[Regression Risk]
Low, this fix is just adjust the systemd order more earier.
https://github.com/hugh712/nvidia-graphics-drivers
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