Re: X EDID reads fail after recent sid update

[Arnt Karlsen <arnt@c2i.net>]

On Thu, 21 Apr 2011 07:21:17 +0200, Sven wrote in message 
<[🔎] 87ipu8ch82.fsf@turtle.gmx.de>:

> On 2011-04-21 05:54 +0200, Joe Neal wrote:
> 
> > I recently upgraded my sid box with a Gforce 8600.  Following a
> > reboot the binary nvidia drivers would only give me a screen
> > resolution so small it was unusable and nouveau failed to find any
> > usable resolutions at all.  Analysis of recent X logs indicated
> > that in the case of both drivers, EDID reads were failing,
> > providing X with no data.  When testing with a GRML live CD, EDID
> > data was returned using nouveau, so this isn't a hardware problem.  
> >
> > Since the problem occurs with both nvidia drivers, it's not a driver
> > problem.  Since EDID reads work properly with the GRML live CD it's
> > not a hardware problem.  I don't think any X packages have been
> > upgraded at all since the last boot that could have caused the
> > problem.  I'm at a loss as to where the problem is coming from.
> >
> > Any guesses?
> 
> I don't really have an idea myself, but some people reported a problem
> with corrupted EDID on
> https://bugs.freedesktop.org/show_bug.cgi?id=34554. The information
> in that bug may be useful.
> 
> Sven
> 
> 

..in WAG mode, I use radeon on all my graphics HW, and have these on my 
lab laptop (or labtop ;o)), you want ditto for nouveau, or use nvidea:
arnt@celsius:~/Documents$ dpkg -l |grep radeon |fmt -tu
ii libdrm-radeon1 2.4.25-1 Userspace interface to radeon-specific kernel
   DRM services -- runtime
ii radeontool 1.6.1-1 utility to control ATI Radeon backlight functions
   on laptops
ii xserver-xorg-video-radeon 1:6.14.1-1+exp1 X.Org X server -- AMD/ATI
   Radeon display driver
arnt@celsius:~/Documents$ dpkg -l |grep drm |fmt -tu
ii libdrm-intel1 2.4.25-1 Userspace interface to intel-specific kernel
   DRM services -- runtime
rc libdrm-nouveau1 2.4.22-2 Userspace interface to nouveau-specific
   kernel DRM services -- runtime
ii libdrm-nouveau1a 2.4.25-1 Userspace interface to nouveau-specific
   kernel DRM services -- runtime
ii libdrm-radeon1 2.4.25-1 Userspace interface to radeon-specific kernel
   DRM services -- runtime
ii libdrm2 2.4.25-1 Userspace interface to kernel DRM services --
   runtime 
rc plymouth-drm 0.8.3-18 Graphical Boot Animation and Logger (DRM) 
arnt@celsius:~/Documents$ 


-- 
..med vennlig hilsen = with Kind Regards from Arnt Karlsen
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.