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Date:      Sat, 7 Mar 2015 11:13:05 -0500
From:      Alexander Kabaev <kabaev@gmail.com>
To:        =?KOI8-R?Q?Jean-S'ebastien_P'edron?= <dumbbell@FreeBSD.org>
Cc:        Hans Petter Selasky <hps@selasky.org>, freebsd-x11@FreeBSD.org, freebsd-current@FreeBSD.org
Subject:   Re: [Call for testers] DRM device-independent code update to Linux 3.8 (take #2)
Message-ID:  <20150307111305.10d7678d@kan>
In-Reply-To: <54F636B3.90701@FreeBSD.org>
References:  <54F636B3.90701@FreeBSD.org>

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On Tue, 03 Mar 2015 23:33:23 +0100
Jean-S'ebastien P'edron <dumbbell@FreeBSD.org> wrote:

> Hi!
>=20
> Here is a new patch to based on HEAD r279508:
>     https://people.freebsd.org/~dumbbell/graphics/drm-update-38.i.patch
>=20
> You can apply it to a Subversion checkout using the following command:
>     svn patch drm-update-38.i.patch
>=20
> There are few changes:
>     o  The panic reported by J.R. Oldroyd is fixed, but not the CP
> init problem.
>     o  A lock assert was added, suggested by Konstantin Belousov
>=20
> I had several panics ("Stray timeout") with a taskqueue used by TTM,
> but it didn't occur in the past 6 days. Maybe it was a problem
> outside of DRM.
>=20
> I would like people to test again and report :) If something fails,
> please post a full dmesg, taken after loading the relevant *kms
> module, or the core.txt.$N file if it's a panic.
>=20
> Hans Petter and Ed, I couldn't reproduce neither of your problems
> (HDMI hotplug events storm and VT-switch misbehaviour). However, they
> both involve callouts, like the "Stray timeout" panic I had with TTM.
> I suspect there was a transient problem with callouts in HEAD at the
> same time. Could you please test again with this patch and a very
> recent HEAD?
>=20
> Thank you to everyone!
>=20
> --=20
> Jean-S'ebastien P'edron
>=20

Just as a data point, 'stray timeout' happens in clean -current without
new patch as well. So whatever that is, it is not caused by the patch.

--=20
Alexander Kabaev

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