@Nick:

I haven't tried fglrx with xorg-edgers, only default xorg-video-intel +
xorg-video-ati, as the synaptics (touchpad and some keyboard stuff too
on my notebook) keeps crashing, I was too lazy to try anything more. But
it boots into X, just as original repository version, so the intel+ati
works at least as good as Ubuntu quantal.

BTW, after all those experiments on my kubuntu 12.10 install I suddenly got 
working GLX with intel+ati.
(history of my OS install:
12.04 clean install - desktop works
+ fglrx from Ubuntu repos - 3D games works on ATI, desktop works
* upgrade of distro to 12.10 -> blank screen, several hours of trying to recall 
all the xorg stuff and find out what works
- ending with intel + ati open source drivers, desktop shows, no GLX working
* trying out different things, including
- Nick's PPA (intel + fglrx = blank screen, intel + ati = blank screen)
- xorg-edgers (intel+ati = desktop works, no GLX)
- purging xorg-edgers PPA, reverting to default Ubuntu intel+ati, where desktop 
works, and was "no GLX" before, now all of sudden the GLX started to work 
without warning.

with glxinfo I now get:
"... |  direct rendering: Yes  |  server glx vendor string: SGI  |  server glx 
version string: 1.4  | ...
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Sandybridge Mobile 
OpenGL version string: 3.0 Mesa 9.0
OpenGL shading language version string: 1.30
..."

By the "no GLX" situations before I did mean situation, where the OS
boots up into X, I can log in, desktop works, but I can't run any 3D
game, usually ending with some GLX specifix error, which I didn't bother
to save, but something along unsupported feature number #x IIRC.

I have muxless HW (no HW switch for VGA, and when I install fglrx from
Ubuntu repos, I get blank screen and log/xorg contains that weird "(EE)
this is a Muxless PX A+I platform, we doesn't supported it".

I didn't have yet time to look into it, if I could find the difference.
Maybe I left the ATI card still switched off in BIOS, so the Intel GLX
works for me now? I know it's "just one reboot" away to figure out, but
right now.. not.

Summary:
no working fglrx for me (any tested combination ends with blank screen)
intel+ati (ubuntu, xorg edgers): desktop works, now on ubuntu ones even GLX on 
Intel works (no idea, why/how it got fixed, maybe disabled ATI by BIOS, or 
reinstall of some core mesa packaged during xorg edgers ppa purge)
intel+ati (nick's PPA): crash in X as mentioned in #100 (this is different 
crash, not similar to intel+fglrx, which does crash in other stage of loading 
drivers)

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to the bug report.
https://bugs.launchpad.net/bugs/1068404

Title:
  Low graphics mode in muxless hybrid ATI/Intel GPU systems after fglrx
  upgrade

To manage notifications about this bug go to:
https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1068404/+subscriptions

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