linux-kernel - Re: [Intel-gfx] [BUG 6.3-rc1] Bad lock in ttm_bo_delayed

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Date:   Wed, 15 Mar 2023 20:21:33 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Christian König <christian.koenig@....com>
Cc:     Matthew Auld <matthew.william.auld@...il.com>,
        Christian König <ckoenig.leichtzumerken@...il.com>,
        Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@....com>,
        intel-gfx@...ts.freedesktop.org,
        LKML <linux-kernel@...r.kernel.org>,
        dri-devel@...ts.freedesktop.org, amd-gfx@...ts.freedesktop.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Felix Kuehling <Felix.Kuehling@....com>,
        linux-media@...r.kernel.org
Subject: Re: [Intel-gfx] [BUG 6.3-rc1] Bad lock in ttm_bo_delayed_delete()

On Wed, 15 Mar 2023 16:20:11 -0400
Steven Rostedt <rostedt@...dmis.org> wrote:

> On Wed, 15 Mar 2023 20:51:49 +0100
> Christian König <christian.koenig@....com> wrote:
> 
> > Steven please try the attached patch.  
> 
> I applied it, but as it's not always reproducible, I'll have to give it
> several runs before I give you my "tested-by" tag.

I ran my tests a bunch of times with this applied and it didn't fail once.
As it got further than it ever did before (it usually took 1 to 3 runs to
trigger, and I ran it over 10 times).

Reported-by: Steven Rostedt (Google) <rostedt@...dmis.org>
Tested-by: Steven Rostedt (Google) <rostedt@...dmis.org>

Thanks!

-- Steve