[mythtv-users] Unichrome DRM Compile Problem

Neale Swinnerton mythtv-users.spam at isismanor.com
Sat Apr 30 17:23:55 UTC 2005

I've had this maybe last year or the year before, nothing to do with
mythtv then. Check that you've got you processor type set properly in
your kernel config. you can download a suitable .config from

Also, I've read somewhere that CVS DRM doesn't support 2.6.11, and I get
missing symbol errors when I modprobe via built against 2.6.11. I'm
using with good success, so I didn't investigate further.

Torsten Schenkel wrote:
> Hi All,
> trying to get the epia ready for switching from PVR350 Tv-Out to the
> unichrome VGA out.
> All the stuff from 
> http://www.physik.fu-berlin.de/~glaweh/debian
> is in place -- and didn't even break anything so far :-) -- but the
> drm module won't compile. Wether I try the source package from ~glaweh
> or the cvs version, both show this error:
> make[1]: Entering directory `/usr/src/kernel-source-2.6.11'
> /usr/src/drm/linux-core/Makefile:285: *** CONFIG_X86_CMPXCHG needs to be
> enabled in the kernel.  Stop.
> I have to admit I didn't look thoroughly, but a quick search in the
> kernel options and on google didn't through up anything whatsoever. I
> can't even find that option. Is a special kernel needed? Epia patch or
> similar? I did hope to get by with a generic debian kernel but will be
> happy to recompile.
> TIA,
> Torsten
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