Tested additional mainline kernels installed via UKUU. 4.19.66 LTS
worked great. So did 4.20.17, the last in its series. The performance
regression appeared when I tested 5.0.3, and as noted above, still
persists in 5.2.8.
This may be a mainline kernel bug, but I'll leave it open here for
further
This issue persisted with the 5.0.0-25 kernel update. I later tested
again after updating Mesa to 19.0.8. No change.
** Description changed:
Mesa's RADV performance has dropped nearly 40% across multiple
applications since upgrading my HWE kernel to 5.0.0-23.
Reverting to the 4.18
** Description changed:
Mesa's RADV performance has dropped nearly 40% across multiple
applications since upgrading my HWE kernel to 5.0.0-23.
Reverting to the 4.18 kernel fixed the issue. The problem was still
present when testing kernel 5.2.8 from the Ubuntu mainline PPA.
My
** Description changed:
Mesa's RADV performance has dropped nearly 40% across multiple
applications since upgrading my HWE kernel to 5.0.0-23.
Reverting to the 4.18 kernel fixed the issue. The problem was still
present when testing kernel 5.2.8 from the Ubuntu mainline PPA.
My
I'm attaching the output of dmesg for 5.0.0-23
** Attachment added: "dmesg5_0_0-23.txt"
https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe/+bug/1839750/+attachment/5282012/+files/dmesg5_0_0-23.txt
--
You received this bug notification because you are a member of Ubuntu
Bugs, which
