linux-kernel - Re: [regression] 2.6.37-post-rc7 with radeon kms: reproducably locks up hard when using desktop cube of kwin

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Date:	Tue, 8 Mar 2011 10:35:17 +0100
From:	Martin Steigerwald <Martin@...htvoll.de>
To:	Dave Airlie <airlied@...il.com>
Cc:	linux-kernel@...r.kernel.org, Alex Deucher <alexdeucher@...il.com>,
	DRI <dri-devel@...ts.freedesktop.org>
Subject: Re: [regression] 2.6.37-post-rc7 with radeon kms: reproducably locks up hard when using desktop cube of kwin

Its rainy again in Sevilla...

Am Sunday 06 March 2011 schrieb Dave Airlie:
> > I verified this. Lockup happens with 2.6.38, last one tested
> > rc8-gfb62c00, but not with 2.6.37 with exactly same userspace.
> > Needed to try the effect several times, as this time the lockup with
> > 2.6.38 only happened shortly after the second activation of the
> > effect.
> 
> Hmm, can you attach Xorg logs from both?

Attached. I have dmesgs available as well. Both kernels are mainly 
upstream. The 2.6.37 contains some recursive mtime patches from Jan for 
Ext3/4 that are very likely unrelated. For 2.6.38 I am testing too 
hibernation patches from Raphael, but the lockup also happened with a 
plain vanilla 2.6.38 one before.
 
> I'm guessing its either pageflipping or a later kernel allowing some
> feature of mesa to be used.

I guess so too. This is the mesa stuff I use:

martin@...mbhala:~> apt-show-versions | egrep "(libdrm|libkms|libgl1-
mesa)"
libdrm-intel1/sid uptodate 2.4.23-3
libdrm-nouveau1/wheezy uptodate 2.4.21-1~squeeze3
libdrm-radeon1/sid uptodate 2.4.23-3
libdrm-radeon1-dbg/sid uptodate 2.4.23-3
libdrm2/sid uptodate 2.4.23-3
libdrm2-dbg/sid uptodate 2.4.23-3
libgl1-mesa-dev/sid uptodate 7.10-4
libgl1-mesa-dri/sid uptodate 7.10-4
libgl1-mesa-dri-dbg/sid uptodate 7.10-4
libgl1-mesa-glx/sid uptodate 7.10-4
libgl1-mesa-glx-dbg/sid uptodate 7.10-4
libkms1/sid uptodate 2.4.23-3

Thanks,
-- 
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA  B82F 991B EAAC A599 84C7

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