Blank screen on Radeon Mobility HD 4650

[Alex Deucher]

On Mon, Jan 11, 2010 at 8:22 PM, Damien Mir
<mailings.xorg at mirabel-sil.com> wrote:
> Hi,
>
> I am experiencing a problem with my new laptop :
> Dell Studio 17'3 with Radeon Mobility HD 4650
> running opensuse 11.2 or Ubuntu 9.10
>
> When xorg invoked, the screen becomes blank and is deadlocked this way
> until the next reboot, and then KDE4 crashes.
> It occurs both with "radeon" and "radeonhd" drivers.
>
> For information :
> http://88.191.15.45/RVRV/xorg.conf
> http://88.191.15.45/RVRV/Xorg.0.log
> http://88.191.15.45/RVRV/xsession-errors
>
> Actually it seems to be a combination of two distinct problems, may be
> related :
>
> 1/ Once Xorg invoked, the laptop panel is deadlocked blank, but with no
> apparent errors in xorg.conf. Except for a VGA output initialization,
> despite no monitor ever being attached to the VGA output.
> Maybe the flat panel isn't correctly probed / detected ?
> What surprises me is : if I plug the HDMI output to another monitor, I can
> see KDE4 loading before it crashes (see below).
>
> 2/ KDE4 appears to crash due to some errors, see xsession-errors :
> kdeinit4: preparing to launch /usr/lib64/libkdeinit4_kglobalaccel.so
> WARNING: Application calling GLX 1.3 function "glXCreatePixmap" when GLX
> 1.3 is not supported!  This is an application bug!
> WARNING: Application calling GLX 1.3 function "glXQueryDrawable" when GLX
> 1.3 is not supported!  This is an application bug!
> drmRadeonCmdBuffer: -22. Kernel failed to parse or rejected command
> stream. See dmesg for more info.
> kded4: Fatal IO error: client killed
>
>
> When running "vesa" or the proprietary "fglrx", it is working quite
> alright, except for the horrible 2D performance.

Does xf86-video-ati from git master work any better?

Alex