On Tue, 7 May 2024 15:54:21 +1000It deadlocks on 6.8.8 under qemu/kvm, reverting the patch fixes the problem there as well (6.8.7 hangs as well, but I have not tested reverting on that version)
David Airlie <airlied@xxxxxxxxxx> wrote:
I expec this will reintroduce the other problems that caused this
change in the first place, but I think this should at least bring us
back to regression equilibrium. I can't recommend anyone use qxl hw
over virtio-gpu hw in their VMs, since virtio-gpu is actually hw
designed for virt.
I agree that it will likely cause the issues that this was addressing
to come back, but you can't have a fix that introduces a deadlock.
Perhaps the deadlock didn't exist before, and the printk updates
changed the way it works to introduce it now?