Public bug reported:
Similar to bug https://launchpad.net/bugs/1950665, the GSYNC regression
bug has returned in 495.44 on Ubuntu 21.10. I have tried the standard
kernel and 5.14.1 and 5.14.17, but they are all experiencing the same
bug again.
Prior to upgrading to Ubuntu 21.10, I had upgraded to 495.44 on Ubuntu
21.04 and kernel 5.14.1, and this problem was not present.
I then upgraded to Ubuntu 21.10, and the problem didn't seem to be
present, but as of today I've noticed again.
I'm not sure what the cause is, but I have tried full driver purge,
returned to 470.82, went back to the standard kernel for 21.10
(5.13.0-21-generic), 5.14.1 and 5.14.17, and the problem continues to
occur when any GPU accelerated application grabs focus of the screen. A
second or so of no signal occurs as it re-syncs.
I am unsure if X11 has been updated in this time, I know there was
working GBM support, wondering if X11 has switched to using this instead
of the EGL Streams direct approach that was used previously. Either-way,
I'm still running X11.
Let me know if there are any test you'd like me to try.
** Affects: nvidia-graphics-drivers-495 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1950720
Title:
GSYNC bug regression in 495.44 Ubuntu 21.10
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