This bug was fixed in the package nvidia-graphics-drivers-450 -
450.102.04-0ubuntu1
---------------
nvidia-graphics-drivers-450 (450.102.04-0ubuntu1) hirsute; urgency=medium
* New upstream release.
* debian/templates/control.in:
- Add support for libcuda-11.0-1, libcuda-11.1-1.
*
debian/templates/nvidia-compute-utils-flavour.nvidia-persistenced.service.in:
Run persistenced.service before systemd-backlight@backlight:nvidia_0
(LP: #1885087).
* debian/templates/{dkms_nvidia.conf.in|dkms.conf.fragment.in}:
- Disable uvm on Linux >= 5.10.
-- Alberto Milone <alberto.mil...@canonical.com> Mon, 04 Jan 2021
15:18:07 +0100
** Changed in: nvidia-graphics-drivers-450 (Ubuntu)
Status: In Progress => Fix Released
** Changed in: nvidia-graphics-drivers-455 (Ubuntu)
Status: Fix Committed => Fix Released
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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:
Fix Released
Status in nvidia-graphics-drivers-455 package in Ubuntu:
Fix Released
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:
Fix Released
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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