This looks similar to LP: #1861395 I've prepared a test kernel (5.3.0-48.41+lp1861395v1), backporting the following fixes that seems to have fixed the problem in 5.4:
b1339ecac661 drm/i915/execlists: Always force a context reload when rewinding RING_TAIL f26a9e959a7b drm/i915/gt: Detect if we miss WaIdleLiteRestore 22b7a426bbe1 drm/i915/execlists: Preempt-to-busy Test kernel is available here: https://kernel.ubuntu.com/~arighi/LP-1861395/5.3/ It'd be great if you could give it a try, thanks. -- 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
