tried nvidia-graphics-drivers-455 in bionic which can fix this issue, I
didn't observe any regression.
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
** Changed in: oem-priority
Status: Confirmed => Fix Committed
** Changed in: oem-priority/focal
Status: New => Fix Committed
** Also affects: oem-priority/bionic
Importance: Undecided
Status: New
** Changed in: oem-priority/bionic
Status: New => Fix Committed
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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:
New
Status in nvidia-graphics-drivers-455 source package in Bionic:
Fix Committed
Status in nvidia-graphics-drivers-450 source package in Focal:
In Progress
Status in nvidia-graphics-drivers-455 source package in Focal:
Fix Committed
Status in nvidia-graphics-drivers-450 source package in Groovy:
New
Status in nvidia-graphics-drivers-455 source package in Groovy:
Fix Committed
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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