This bug was fixed in the package nvidia-graphics-drivers-455 -
455.45.01-0ubuntu0.20.10.1
---------------
nvidia-graphics-drivers-455 (455.45.01-0ubuntu0.20.10.1) groovy; urgency=medium
* New upstream release (LP: #1904863):
- Fixed a bug in a Vulkan blending optimization that could
produce incorrect results. Some of the Vulkan titles affected
by this bug were:
Life is Strange 2
Shadow of the Tomb Raider
- Fixed an issue that caused Vulkan swapchain creation to fail
for full-screen windows when a G-SYNC monitor is connected.
[ Kai-Heng Feng ]
* debian/71-nvidia.rules:
- Add rules to enable runtimepm by default.
[ Alberto Milone ]
* debian/add-ids-to-json-db,
debian/additional_runtimepm_ids,
debian/rules:
- Make it possible to add new IDs to mark support
for runtimepm.
*
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> Thu, 19 Nov 2020
15:21:39 +0100
** Changed in: nvidia-graphics-drivers-455 (Ubuntu Groovy)
Status: Fix Committed => Fix Released
--
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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 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:
New
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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