This bug was fixed in the package xorg-server -
2:21.1.4-2ubuntu1.7~22.04.1
---
xorg-server (2:21.1.4-2ubuntu1.7~22.04.1) jammy; urgency=medium
* Backport to jammy. (LP: #2009767)
-- Timo Aaltonen Tue, 04 Apr 2023 09:20:09 +0300
** Changed in: xorg-server (Ubuntu Jammy)
the only remaining failing test is just bad (nvidia 390 on i386), as
it's failing always
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https://bugs.launchpad.net/bugs/2009767
Title:
External HDMI monitor is laggy on
Fixed in lunar with
nvidia-driver-525 525.105.17-0ubuntu1
xserver-xorg-video-nvidia-525 525.105.17-0ubuntu1
Thanks!
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https://bugs.launchpad.net/bugs/2009767
Title:
** Tags removed: verification-needed verification-needed-jammy
** Tags added: verification-done
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https://bugs.launchpad.net/bugs/2009767
Title:
External HDMI monitor is
** Tags added: verification-done-jammy
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https://bugs.launchpad.net/bugs/2009767
Title:
External HDMI monitor is laggy on NVIDIA-525 reverse PRIME system
To manage
Unfortunate that this can't be fixed with a targetted fix. The good part
is that we anyway do xorg-server MRE's for HWE stack updates for LTSes -
and if Timo feels comfortable enough to sponsor this backport for jammy,
that's already a good clue for me.
** Changed in: xorg-server (Ubuntu Jammy)
https://launchpad.net/ubuntu/+source/nvidia-graphics-
drivers-525/525.105.17-0ubuntu1
** Changed in: nvidia-graphics-drivers-525 (Ubuntu)
Status: Confirmed => Fix Committed
** Also affects: xorg-server (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects:
** Description changed:
+ [Impact]
+ NVIDIA driver has a hardcoded version check to see if a bug has been fixed in
the xserver version. It does not help to backport the fix to the jammy xserver,
as the driver has no way to check if the fix is there or not.
+
+ We need to backport xorg-server
Sounds like a fix is in 525.105.17:
> Fixed an issue which could cause applications to run at 1 FPS
> when using an NVIDIA PRIME Display Offload sink as the only
> active display.
[https://www.nvidia.com/Download/driverResults.aspx/202351/en-us/]
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** No longer affects: xorg-server (Ubuntu Jammy)
** Also affects: xorg-server (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: nvidia-graphics-drivers-525 (Ubuntu Jammy)
Importance: Undecided
Status: New
** Changed in: xorg-server (Ubuntu Jammy)
This might become a "Won't fix" for 525 but let's track it more
accurately there for the time being.
** Summary changed:
- external HDMI monitor is laggy on NV reverse PRIME system
+ External HDMI monitor is laggy on NVIDIA-525 reverse PRIME system
** Also affects: nvidia-graphics-drivers-525
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