Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
MIME-Version: 1.0
References: <YnTAc96Uv0CXcGhD@suse.de> <CADnq5_NT3UtawpGuPDwF+dgmRdaoysb7sD_-oWWBC=T3BoUH7Q@mail.gmail.com>
 <YnpIjdTT3esZ72Bf@suse.de> <CADnq5_NYVvjcUru9hfbnATfcHJR5+eiK9bJAA9m41WKa=OJsog@mail.gmail.com>
 <505081FC-4323-4424-87A9-89B95A89515D@suse.de>
In-Reply-To: <505081FC-4323-4424-87A9-89B95A89515D@suse.de>
From:   Alex Deucher <alexdeucher@gmail.com>
Date:   Tue, 10 May 2022 16:41:57 -0400
Message-ID: <CADnq5_PoWLHydAGqHXKNwBnnc_Uz7xc01Mmp2ri-h+RtnRqgfQ@mail.gmail.com>
Subject: Re: [BUG] Warning and NULL-ptr dereference in amdgpu driver with 5.18
To:     =?UTF-8?B?SsO2cmcgUsO2ZGVs?= <jroedel@suse.de>
Cc:     "Wentland, Harry" <Harry.Wentland@amd.com>,
        "Siqueira, Rodrigo" <Rodrigo.Siqueira@amd.com>,
        "Kazlauskas, Nicholas" <nicholas.kazlauskas@amd.com>,
        Alex Deucher <alexander.deucher@amd.com>,
        Christian Koenig <christian.koenig@amd.com>,
        xinhui pan <Xinhui.Pan@amd.com>,
        David Airlie <airlied@linux.ie>,
        Maling list - DRI developers 
        <dri-devel@lists.freedesktop.org>,
        amd-gfx list <amd-gfx@lists.freedesktop.org>,
        LKML <linux-kernel@vger.kernel.org>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Precedence: bulk

On Tue, May 10, 2022 at 2:17 PM J=C3=B6rg R=C3=B6del <jroedel@suse.de> wrot=
e:
>
>
> > Am 10.05.2022 um 17:31 schrieb Alex Deucher <alexdeucher@gmail.com>:
> >
> > On Tue, May 10, 2022 at 7:12 AM J=C3=B6rg R=C3=B6del <jroedel@suse.de> =
wrote:
> >>
> >> Gentle ping. This is a 5.18 regression and I also see it with
> >> 5.18-rc6. Please let me know if you need anything else to debug.
> >>
> >
> > Are you doing anything special when it happens?  I.e., does it happen
> > when the monitor is coming out of DPMS or something like that?
> >
>
> Yes, it usually happens when I return to the machine and press some butto=
n on the keyboard to get the screens enabled again. It doesn=E2=80=99t happ=
en always, it seems to depend on how slow the monitors come out of power sa=
ving mode.
>

Does setting amdgpu.runpm=3D0 on the kernel command line in grub help?
If so, that should fixed with:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?=
id=3Df95af4a9236695caed24fe6401256bb974e8f2a7

Alex


> Regards,
>
> J=C3=B6rg R=C3=B6del
> jroedel@suse.de
>
> SUSE Software Solutions Germany GmbH
> Maxfeldstr. 5
> 90409 N=C3=BCrnberg
> Germany
>
> (HRB 36809, AG N=C3=BCrnberg)
> Gesch=C3=A4ftsf=C3=BChrer: Ivo Totev