linux-kernel - Re: Linux 2.6.37-rc8 (no fb)

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Message-Id: <20101229102127.06c0e505.randy.dunlap@oracle.com>
Date:	Wed, 29 Dec 2010 10:21:27 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>,
	dri-devel@...ts.freedesktop.org
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	David Airlie <airlied@...ux.ie>,
	Chris Wilson <chris@...is-wilson.co.uk>
Subject: Re: Linux 2.6.37-rc8 (no fb)

On Tue, 28 Dec 2010 17:18:12 -0800 Linus Torvalds wrote:

> Another week, another -rc. This should be the last for the 37 series,
> so I still expect the merge window to open early January when people
> are hopefully back to working order after having eaten (and drunk) too
> much.
> 
> The -rc8 release shouldn't be all that exciting. The most noticeable
> is probably the fact that hopefully the "blank screen" problem with
> intel graphics is fixed. But on the whole, it's all just a collection
> of random fixes all over.


I booted -rc8 and found that my video worked for only a few seconds,
then it goes blank.  -rc7 and -rc6 do the same.  -rc5 is OK.

The only significant difference that I can see in the kernel message log
is this:

from 2.6.37-rc5:

[drm] initialized overlay support
i2c i2c-3: master_xfer[0] W, addr=0x50, len=1
i2c i2c-3: master_xfer[1] R, addr=0x50, len=1
i2c i2c-3: master_xfer[0] W, addr=0x50, len=1
i2c i2c-3: master_xfer[1] R, addr=0x50, len=128
fbcon: inteldrmfb (fb0) is primary device
Console: switching to colour frame buffer device 160x64
fb0: inteldrmfb frame buffer device
drm: registered panic notifier
[drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0

and from 2.6.37-rc6:

[drm] initialized overlay support
No connectors reported connected with modes
[drm] Cannot find any crtc or sizes - going 1024x768
fbcon: inteldrmfb (fb0) is primary device
Console: switching to colour frame buffer device 128x48
fb0: inteldrmfb frame buffer device
drm: registered panic notifier
[drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0


Full kernel boot logs are in http://www.xenotime.net/linux/logs/
(2637-rc5.notimes and 2637-rc6.notimes).

The 2.6.37-rc5 kernel config file is attached.  It is close to an
allmodconfig.

---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
desserts:  http://www.xenotime.net/linux/recipes/

Download attachment "config-2637-rc5" of type "application/octet-stream" (119862 bytes)