If you don't like to wait for the patch to be applied, here is what you
can do (for focal):
1. mkdir xorg-server && cd xorg-server
2. git clone -b applied/ubuntu/focal-security
https://git.launchpad.net/ubuntu/+source/xorg-server
3. cd xorg-server/debian/patches
4. wget
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1959995/+attachment/5572420/+files/nvidia-495-fix.patch
5. echo "nvidia-495-fix.patch" >> series
6. cd ../..
7. dpkg-buildpackage -us -uc
8. cd ..
9. sudo dpkg -i ./*.deb
10. sudo systemctl reboot
Done. Next you can install newer Nvidia drivers and there shouldn't be
any issues.
Note: This is the patch from
https://gitlab.freedesktop.org/xorg/xserver/-/issues/1275
** Patch added: "nvidia-495-fix.patch"
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1959995/+attachment/5572420/+files/nvidia-495-fix.patch
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xorg-server in Ubuntu.
https://bugs.launchpad.net/bugs/1959995
Title:
present: Crash in 'present_scmd_get_crtc' and 'present_flush' (NVIDIA
495.46)
Status in X.Org X server:
Unknown
Status in xorg-server package in Ubuntu:
Fix Committed
Status in xorg-server source package in Focal:
Confirmed
Status in xorg-server source package in Impish:
Confirmed
Status in xorg-server source package in Jammy:
Fix Committed
Bug description:
This bug causes xserver to crash when using newer Nvidia drivers
(NVIDIA 495.46+) with Optimus. It's apparently triggered when using
the MATE desktop environment. It has been noticed on xorg-server-21.1,
but it's likely affecting version 1.20.13 as well.
It has been fixed already, but could you please backport the fix?
Patch that fixes it is here:
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/841/diffs?commit_id=22d5818851967408bb7c903cb345b7ca8766094c
The bug report at freedesktop.org is here:
https://gitlab.freedesktop.org/xorg/xserver/-/issues/1275
Thank you!
To manage notifications about this bug go to:
https://bugs.launchpad.net/xorg-server/+bug/1959995/+subscriptions
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