Messages in this thread | | | Date | Wed, 8 May 2024 14:42:38 +0200 | Subject | Re: [BUG][v6.9-rc6] Deadlock with: Revert "drm/qxl: simplify qxl_fence_wait" | From | Anders Blomdell <> |
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On 2024-05-07 11:03, Steven Rostedt wrote: > On Tue, 7 May 2024 15:54:21 +1000 > David Airlie <airlied@redhat.com> 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? It 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)
/Anders
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