Re: [BUG][v6.9-rc6] Deadlock with: Revert "drm/qxl: simplify qxl_fence_wait"

From: Steven Rostedt
Date: Thu May 02 2024 - 08:30:27 EST


On Thu, 2 May 2024 08:16:41 -0400
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> I went to run my tests on my VMs and the tests hung on boot up.
> Unfortunately, the most I ever got out was:
>
> [ 93.607888] Testing event system initcall: OK
> [ 93.667730] Running tests on all trace events:
> [ 93.669757] Testing all events: OK
> [ 95.631064] ------------[ cut here ]------------
> Timed out after 60 seconds
>
> I ran a bisect and it came up with:
>
> # first bad commit: [07ed11afb68d94eadd4ffc082b97c2331307c5ea] Revert "drm/qxl: simplify qxl_fence_wait"
>
> I checked out 07ed11afb68d94eadd4ffc082b97c2331307c5ea~1 and it booted
> fine. Added back that commit, it failed to boot. I did this twice, and got
> the same results.
>

Note, I reverted the above revert from v6.9-rc6 and that lets my VM boot to
completion again.

Attached is the config I used.

-- Steve

Attachment: config
Description: Binary data