linux-kernel - Re: X-freeze after clflush changes [Was: 2.6.23-rc6-mm1]

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Message-ID: <20070920092441.GA1972@zhen-devel.sh.intel.com>
Date:	Thu, 20 Sep 2007 17:24:41 +0800
From:	Zhenyu Wang <zhenyu.z.wang@...el.com>
To:	Dave Airlie <airlied@...il.com>
Cc:	Jiri Slaby <jirislaby@...il.com>, Andi Kleen <andi@...stfloor.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: X-freeze after clflush changes [Was: 2.6.23-rc6-mm1]

On 2007.09.20 17:33:45 +0000, Dave Airlie wrote:
> > Maybe you are rather interested in these dmesg lines:
> > Linux agpgart interface v0.102
> > agpgart: suspend/resume problematic: resume with 3D/DRI active may lockup X.Org
> > on some chipset/BIOS combos (see DEBUG_AGP_PM in intel-agp.c)
> > agpgart: Detected an Intel G33 Chipset.
> > agpgart: Detected 8192K stolen memory.
> > agpgart: AGP aperture is 256M @ 0xd0000000
> > [drm] Initialized drm 1.1.0 20060810
> > ACPI: PCI Interrupt 0000:00:02.0[A] -> GSI 16 (level, low) -> IRQ 16
> > [drm] Initialized i915 1.6.0 20060119 on minor 0
> > ...
> > set status page addr 0x00033000
> > agpgart: pg_start == 0x000005ff,intel_private.gtt_entries == 0x00000800
> > agpgart: Trying to insert into local/stolen memory
> >
> > So the problem is, that X passes too low start.
> >
> > The X log:
> > http://www.fi.muni.cz/~xslaby/sklad/Xorg.0.log.old

Could you try current xf86-video-intel driver? just do
git clone git://anongit.freedesktop.org/git/xorg/driver/xf86-video-intel

My G33 was just verified broken today... so I'll try to reproduce it on
another one tomorrow.

> 
> I've cc'd Zhenyu who might be able to shed some light on this? can you
> try 2.6.23-rc7 as maybe the G33 support still needs some work.. or
> maybe I'm missing a patch in the drm..
> 

yep, should try 2.6.23-rc7 first, and it seems not drm relate.
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