@arighi - it helps, but introduces different problems on my Dell XPS 15 7590. I get much less frequent lockups but they still do occur. It seems to introduce similar issues with Nouveau.
My dmesg gives me lots of messages like this: [ 67.714761] nouveau 0000:01:00.0: fifo: SCHED_ERROR 08 [] [ 67.855754] nouveau 0000:01:00.0: DRM: failed to idle channel 0 [DRM] [ 5396.978950] nouveau 0000:01:00.0: tmr: stalled at ffffffffffffffff [ 5412.086427] nouveau 0000:01:00.0: timeout [ 5412.086464] WARNING: CPU: 11 PID: 11576 at drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c:44 tu102_vmm_flush+0x130/0x140 [nouveau] and lots of more information. I'll add the full output of dmesg as an attachment. Not sure if the new problems are introduced by your patch but I didn't experience them before on 5.3 and are also not occuring on the 5.4.28-050428-generic kernel from `mainline`. So back to 5.4.28 for me, again. ** Attachment added: "dmesg.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1872001/+attachment/5358160/+files/dmesg.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1872001 Title: 5.3.0-46-generic - i915 - frequent GPU hangs / resets rcs0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1872001/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
