linux-kernel - Re: [git pull] drm for 6.1-rc1

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Message-ID: <CAPM=9tzr1EAA=OaFmrPFT3UqQO+dixdZTPzs=tqdmgP+F_ojEA@mail.gmail.com>
Date:   Fri, 7 Oct 2022 05:29:57 +1000
From:   Dave Airlie <airlied@...il.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [git pull] drm for 6.1-rc1

On Fri, 7 Oct 2022 at 04:48, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> On Tue, Oct 4, 2022 at 8:42 PM Dave Airlie <airlied@...il.com> wrote:
> >
> > Lots of stuff all over, some new AMD IP support and gang
> > submit support [..]
>
> Hmm.
>
> I have now had my main desktop lock up twice after pulling this.
> Nothing in the dmesg after a reboot, and nothing in particular that
> seems to trigger it, so I have a hard time even guessing what's up,
> but the drm changes are the primary suspect.
>
> I will try to see if I can get any information out of the machine, but
> with the symptom being just a dead machine ...
>
> This is the same (old) Radeon device:
>
>    49:00.0 VGA compatible controller: Advanced Micro Devices, Inc.
> [AMD/ATI] Ellesmere [Radeon RX 470/480/570/570X/580/580X/590] (rev e7)
>
> with dual 4k monitors, running on my good old Threadripper setup.
>
> Again, there's no explicit reason to blame the drm pull, except that
> it started after that merge (that machine ran the kernel with the
> networking pull for a day with no problems, and while there were other
> pull requests in between them, they seem to be fairly unrelated to the
> hardware I have).
>
> But the lockup is so sporadic (twice in the last day) that I really
> can't bisect it, so I'm afraid I have very very little info.
>
> Any suggestions?

netconsole?

I'll plug in my 480 and see if I can make it die.

Dave.