linux-kernel - Re: [git pull] drm main pull for 3.4-rc1

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Message-ID: <4F72D1ED.8040305@linx.net>
Date:	Wed, 28 Mar 2012 09:55:09 +0100
From:	Tony Vroon <tony@...x.net>
To:	Dave Airlie <airlied@...ux.ie>,
	DRI mailing list <dri-devel@...ts.freedesktop.org>,
	linux-kernel@...r.kernel.org, Matt Turner <mattst88@...il.com>
Subject: Re: [git pull] drm main pull for 3.4-rc1

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On 27/03/12 21:39, Daniel Vetter wrote:
> Yet another thing to try: Can you append intel_iommu=igfx_off to
> your kernel cmdline? If you can, try this both on mainline kernels
> and with my additional patches.

To confirm, intel_iommu=igfx_off is stable on both mainline and your
"for-chainsaw" branch with additional SNB patching.

With ppgtt and the iommu fully enabled, your SNB patches remove the
DMAR warnings but do not address the stability problem, in that it
still crashes in the same way.

Regards,
- -- 
Tony Vroon
UNIX systems administrator
London Internet Exchange Ltd, Trinity Court, Trinity Street,
Peterborough, PE1 1DA
Registered in England number 3137929
E-Mail: tony@...x.net
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