linux-kernel - Re: 2.6.29-rc breaks STD using Intel 945

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Date:	Sat, 7 Mar 2009 23:02:45 +0100
From:	Rolf Eike Beer <eike-kernel@...tec.de>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	David Airlie <airlied@...ux.ie>,
	dri-devel@...ts.sourceforge.net,
	Jesse Barnes <jbarnes@...tuousgeek.org>
Subject: Re: 2.6.29-rc breaks STD using Intel 945

Rafael J. Wysocki wrote:
> On Wednesday 04 March 2009, Rolf Eike Beer wrote:
> > Hi,
> >
> > I tested several snapshots post 2.6.28 and all of them show one severe
> > problem: resume from disk is not always successful. Only about 50% of the
> > resume attempts work, in the other cases I just get a completely black
> > screen, can't switch to text console or anything. What I often get is a
> > line like this in the logs directly before suspend:
> >
> > [drm:i915_get_vblank_counter] *ERROR* trying to get vblank count for
> > disabled pipe 0
> >
> > Afterwards I find nothing in the logs. Switching back to 2.6.28 and
> > everything works fine again. I have a Toshiba A110-178 running openSuSE
> > 11.1 32 bit with KDE 4.2.0. I upgraded my Xserver from 1.5 to 1.6
> > yesterday but that did not change anything. The only external module I
> > use is the omnibook module (http://sf.net/projects/omnibook) which I've
> > been using for years without any problems.
> >
> > VGA device is this:
> >
> > 00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS,
> > 943/940GML Express Integrated Graphics Controller (rev 03) (prog-if 00
> > [VGA controller])
> >         Subsystem: Toshiba America Info Systems Device ff01
> >         Flags: bus master, fast devsel, latency 0, IRQ 16
> >         Memory at dc100000 (32-bit, non-prefetchable) [size=512K]
> >         I/O ports at 1800 [size=8]
> >         Memory at c0000000 (32-bit, prefetchable) [size=256M]
> >         Memory at dc200000 (32-bit, non-prefetchable) [size=256K]
> >         Capabilities: [90] Message Signalled Interrupts: Mask- 64bit-
> > Count=1/1 Enable-
> >         Capabilities: [d0] Power Management version 2
> >         Kernel modules: intelfb
> >
> > 00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME,
> > 943/940GML Express Integrated Graphics Controller (rev 03)
> >         Subsystem: Toshiba America Info Systems Device ff01
> >         Flags: bus master, fast devsel, latency 0
> >         Memory at dc180000 (32-bit, non-prefetchable) [size=512K]
> >         Capabilities: [d0] Power Management version 2
> >
> > If you have any patches you want to try me or have any further questions
> > just mail me. If you're hanging around at CeBIT I can come over and we
> > can discuss this in person as I'm there for the next days anyway.
>
> What version of the Intel X driver are you using?

(II) Module intel: vendor="X.Org Foundation"
        compiled for 1.6.0, module version = 2.6.2
        Module class: X.Org Video Driver
        ABI class: X.Org Video Driver, version 5.0

This is was I have currently, before it was whatever was shipped with openSuSE 
11.1.

Eike

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