linux-kernel - Re: [REGRESSION] GM20B pmu timeout

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Message-Id: <D5KZA4FBPDXD.2NKXWOH7UM2VJ@tecnico.ulisboa.pt>
Date: Wed, 13 Nov 2024 10:27:53 +0000
From: "Diogo Ivo" <diogo.ivo@...nico.ulisboa.pt>
To: "Dave Airlie" <airlied@...il.com>, "Linux regressions mailing list"
 <regressions@...ts.linux.dev>
Cc: <kherbst@...hat.com>, <linux-kernel@...r.kernel.org>, <dakr@...hat.com>,
 <lyude@...hat.com>, <bskeggs@...dia.com>, <simona@...ll.ch>,
 <dri-devel@...ts.freedesktop.org>, <nouveau@...ts.freedesktop.org>, "Danilo
 Krummrich" <dakr@...nel.org>
Subject: Re: [REGRESSION] GM20B pmu timeout

Hi Dave,

On Tue Nov 12, 2024 at 7:59 PM WET, Dave Airlie wrote:
> On Tue, 12 Nov 2024 at 22:34, Linux regression tracking (Thorsten
> Leemhuis) <regressions@...mhuis.info> wrote:
> >
> > [CCing Danilo, who committed the culprit]
> >
> > On 04.11.24 13:11, Diogo Ivo wrote:
> > > On Tue Oct 15, 2024 at 7:13 PM WEST, Linux regression tracking (Thorsten Leemhuis) wrote:
> > >> On 10.10.24 15:32, Diogo Ivo wrote:
> > >>>
> > >>> Somewhere between 6.11-rc4 and 6.11-rc5 the following error message is displayed
> > >>> when trying to initialize a nvc0_screen on the Tegra X1's GM20B:
> > >>>
> > >>> [ 34.431210] nouveau 57000000.gpu: pmu:hpq: timeout waiting for queue ready
> > >>> [ 34.438145] nouveau 57000000.gpu: gr: init failed, -110
> > >>> nvc0_screen_create:1075 - Error allocating PGRAPH context for M2MF: -110
> > >>> failed to create GPU screen
> > >>
> > >> Thx for the report. Hmmm. No reply so far. :-/
>
> Apologies for the delay and thanks to Thorsten for bringing it up again,
>
> Does the attached patch fix it?

Yes, the GPU is booting again. Thanks for looking into this!

Diogo