linux-kernel - Re: [git pull] drm next tree

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Message-ID: <AANLkTim5qv63qiZ6uazvQUjtCtKrzYNGDVr1aESaAkCj@mail.gmail.com>
Date:	Wed, 23 Mar 2011 15:22:55 +0100
From:	Alessandro Suardi <alessandro.suardi@...il.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Dave Airlie <airlied@...ux.ie>,
	Chris Wilson <chris@...is-wilson.co.uk>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Keith Packard <keithp@...thp.com>,
	DRI mailing list <dri-devel@...ts.freedesktop.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [git pull] drm next tree

On Wed, Mar 23, 2011 at 3:19 AM, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
> So I had  hoped - yes, very naïve of me, I know - that this merge
> window would be different.
>
> But it's not.
>
> On Wed, Mar 16, 2011 at 9:09 PM, Dave Airlie <airlied@...ux.ie> wrote:
>>
>> i915: big 855 fix, lots of output setup refactoring, lots of misc fixes.
>
> .. and apparently a lot of breakage too. My crappy laptop that I abuse
> for travel is - once more - broken by the updates. I cannot suspend
> and resume, because every resume seems to fail.
>
> One of the more useful failures was:
>
> [   61.656055] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer
> elapsed... GPU hung
> [   61.656079] [drm] capturing error event; look for more information
> in /debug/dri/0/i915_error_state
> [   61.664387] [drm:i915_wait_request] *ERROR* i915_wait_request
> returns -11 (awaiting 2 at 0, next 3)
>
> and I'm attaching the error_state file from that particular case here.
> In other cases it seems to just hang entirely.
>
> Keith/Jesse/Chris - I don't know that it's i915, and it will take
> forever to bisect (I'll try). But it does seem pretty likely.

Just in case - is it possible to have that commit in diff format ?

Asking as 2.6.38-git2 is the latest kernel where my Latitude E6400
 is displaying X at 1440x900, -git3 through -git6 do not compile and
 -git7 and onwards (up at least to -git11) display 1024x768 instead.

If I run xrandr --fb 1440x900 --output LVDS1 --mode 1440x900
 once in X, then I get 1440x900 display, but then:

  - the wallpaper's original 1024x768 image stays (the rest of the
     display area is filled with the part of image that should be there
     correctly at 1440x900)
  - if I run mplayer and ask it to go fullscreen, it does 1024x768

lspci (from 2.6.38-git2) says:

00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series
Chipset Integrated Graphics Controller (rev 07) (prog-if 00 [VGA
controller])
	Subsystem: Dell Device 0233
	Flags: bus master, fast devsel, latency 0, IRQ 46
	Memory at f6c00000 (64-bit, non-prefetchable) [size=4M]
	Memory at e0000000 (64-bit, prefetchable) [size=256M]
	I/O ports at ef98 [size=8]
	Expansion ROM at <unassigned> [disabled]
	Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
	Capabilities: [d0] Power Management version 3
	Kernel driver in use: i915
	Kernel modules: i915

00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset
Integrated Graphics Controller (rev 07)
	Subsystem: Dell Device 0233
	Flags: bus master, fast devsel, latency 0
	Memory at f6b00000 (64-bit, non-prefetchable) [size=1M]
	Capabilities: [d0] Power Management version 3


thanks,

--alessandro

 "There's always a siren singing you to shipwreck"

   (Radiohead, "There There")
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