From: Michael Tokarev <mjt@tls.msk.ru>
To: Johannes Hirte <johannes.hirte@fem.tu-ilmenau.de>
Cc: linux-kernel@vger.kernel.org, stable@kernel.org,
dri-devel@lists.sourceforge.net
Subject: Re: [stable] Regression in 2.6.32.2: radeon KMS hangs system
Date: Sun, 20 Dec 2009 23:39:48 +0300 [thread overview]
Message-ID: <4B2E8B94.1080007@msgid.tls.msk.ru> (raw)
In-Reply-To: <200912201723.10385.johannes.hirte@fem.tu-ilmenau.de>
Johannes Hirte wrote:
> With 2.6.32.2 the system hangs completely with black screen when modprobing
> radeon with modeset=1. I was able to connect via ssh, but after entering the
> password nothing happend. I didn't got a prompt. Only SysRq worked. I've
> tracked it down to the following patch:
>
> From 500b758725314ab1b5316eb0caa5b0fa26740e6b Mon Sep 17 00:00:00 2001
> From: Alex Deucher <alexdeucher@gmail.com>
> Date: Wed, 2 Dec 2009 11:46:52 -0500
> Subject: drm/radeon/kms: handle vblanks properly with dpms on
Confirmed here on amd780g chipset. I was about to debug/bisect the issue
right when the email arrived. Reverting this patch makes my system bootable
again.
/mjt
> From: Alex Deucher <alexdeucher@gmail.com>
>
> commit 500b758725314ab1b5316eb0caa5b0fa26740e6b upstream.
>
> avivo chips
>
> Copied from pre-avivo code.
>
> Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
> Signed-off-by: Dave Airlie <airlied@redhat.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
...
next prev parent reply other threads:[~2009-12-20 20:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-20 16:23 Johannes Hirte
2009-12-20 20:39 ` Michael Tokarev [this message]
2009-12-21 16:13 ` Alex Deucher
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