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I've got an HTPC that I built myself, with a Asus P5G41T-M Motherboard. It's got an on-board HDMI port, and I've been using that with no problems. I started out with Mythbuntu ( an older version ), and recently updated to 12.04.1 LTS without any issues.

I've been thinking about trying out XBMC for a while, and I decided to give it a go. Unfortunately, I seem to be running into quite a few issues.

I got XBMC installed from the repos without any issues, but when I try to run it from a console, a box pops up with the following:

XBMC needs hardware accelerated OpenGL rendering.
Install an appropriate graphics driver.

Please consule XBMC Wiki for supported hardware http://wiki.xbmc.org/?title=Supported_hardware

In the console, it prints out the following:

X Error of failed request: BadRequest (invalid request code or no such operation)

  Major opcode of failed request:  136 (GLX)

  Minor opcode of failed request:  19 (X_GLXQueryServerString)

  Serial number of failed request:  12

  Current serial number in output stream:  12

When I run vainfo, I get this:

libva: VA-API version 0.32.0

libva: va_getDriverName() returns 0

libva: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so

libva: va_openDriver() returns 0

vainfo: VA-API version: 0.32 (libva 1.0.15)

vainfo: Driver version: Intel i965 driver - 1.0.15

vainfo: Supported profile and entrypoints

      VAProfileMPEG2Simple            : VAEntrypointVLD

      VAProfileMPEG2Main              : VAEntrypointVLD

The file /usr/lib/x86_64-linux-gnu/dri/i964_drv_video.so exists:

# ls -l /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so 

-rw-r--r-- 1 root root 628728 Mar 29  2012 /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so

And in /var/log/Xorg.0.log the following error pops up:

GLX error: Can not get required symbols.

I'm not really sure where to go from here. I've tried searching all over for how to fix this problem. I've done "apt-get --reinstall xserver-xorg" ( as well as a few other video driver packages ) a few times, and no change.

Any help in getting this issue sorted out would be awesome.

When I needed to get my onboard Intel Corporation Mobile 945GM/GMS, 943/940GML Express to work, I did the following:

sudo apt-get purge nvidia*

sudo apt-get install --reinstall xserver-xorg-video-intel libgl1-mesa-glx libgl1-mesa-dri xserver-xorg-core

sudo dpkg-reconfigure xserver-xorg

sudo update-alternatives --remove gl_conf /usr/lib/nvidia-current/ld.so.conf

This will remove any remnants of possible proprietary Nvidia driver stuff and install the necessary Intel drivers and the necessary OpenGL support.