linux-kernel - Re: Stable version 2.6.32.2 broke my KMS Radeon setup

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Date:	Sun, 20 Dec 2009 15:30:52 +0300
From:	Alexander Beregalov <a.beregalov@...il.com>
To:	Ruud Linders <kernelml@...all.nl>
Cc:	linux-kernel@...r.kernel.org, Alex Deucher <alexdeucher@...il.com>,
	dri-devel@...ts.sourceforge.net
Subject: Re: Stable version 2.6.32.2 broke my KMS Radeon setup

2009/12/20 Ruud Linders <kernelml@...all.nl>:
>
> Hello,
>
> After upgrading from 2.6.32.1 to 2.6.32.2 my radeon KMS broke. Broke
> meaning after kernel boot at the moment radeon module is loaded, I get a
> blank screen, monitor goes in powersave mode and machine stops booting
> (ping-able but can't login via ssh and nothing in the logs after
> Sysrq-S-U-B reboot).
>
> Upgraded userspace  (drm/mesa/xf86-video-ati) to git version from
> 19-december but no change.
>
> Note this happens on 2 different systems, both connected via DVI-D to an
> LCD monitor:
>  Chipset: "ATI RV730XT [Radeon HD 4670]" (ChipID = 0x9490)
> and
>  Chipset: "ATI Radeon HD 3200 Graphics" (ChipID = 0x9610)
>
> So I started looking at the diff between 2.6.32.1 & 2.6.32.2, backing
> out attached change makes everything work again. Anything else I can
> provide to debug/fix this, let me know.
>

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