linux-kernel - Re: drm/nouneau: 5.11 cycle regression bisected to 461619f5c324 "drm/nouveau: switch to new allocator"

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Message-ID: <2d09eca022b9909f69e3d738208dd13f96f5148b.camel@gmx.de>
Date:   Wed, 10 Feb 2021 12:06:51 +0100
From:   Mike Galbraith <efault@....de>
To:     Christian König <christian.koenig@....com>,
        lkml <linux-kernel@...r.kernel.org>
Cc:     nouveau@...ts.freedesktop.org, Ben Skeggs <bskeggs@...hat.com>,
        Dave Airlie <airlied@...hat.com>
Subject: Re: drm/nouneau: 5.11 cycle regression bisected to 461619f5c324
 "drm/nouveau: switch to new allocator"

On Wed, 2021-02-10 at 11:42 +0100, Christian König wrote:
>
> Am 10.02.21 um 11:40 schrieb Mike Galbraith:
> > On Wed, 2021-02-10 at 11:34 +0100, Christian König wrote:
> >> Hi Mike,
> >>
> >> do you have more information than just system stuck in a loop?
> > No, strace shows no syscalls but sched_yield().
>
> Well you can try to comment out the call to register_shrinker() in
> ttm_pool.c, but apart from that I don't have much ideas.

Nogo.. off to suggestion #2 I go.

	-Mike