Potential problem with mga driver and DualHead...

Dave Jones davej at redhat.com
Wed Sep 1 06:25:56 PDT 2004

On Wed, Sep 01, 2004 at 03:13:42PM +0200, Marcin Giedz wrote:

 > If I run xinit only one monitor (first) works OK, the second one is 
 > disabled. If I comment     #Screen "Display 1" LeftOf "Display 2"
 > and # Screen "Display 2"  and uncomment Screen "Display 1" and rerun 
 > xinit two monitors work OK but I have the same on them - the same 
 > desktop. So I kill X.org uncomment Screen "Display 1" LeftOf "Display 2" 
 > and  Screen "Display 2"  and comment #Screen "Display 1" and once again 
 > run xinit - two monitors work OK and I have one desktop (xinerama works 
 > OK). Next if I quit the X.org and run xinit again - it works OK as 
 > previus but if I reboot my linux the situation repeats - I need comment 
 > and uncomment ........ after that two monitors works OK.

I've been seeing the same thing.  This has been around for quite a while.

Note the last comments about the SuSE Liveeval working
(AFAIR, that also uses Xorg rather than XFree)

 > I checked this xorg.conf on XFree4.4.0 and theres is NO SUCH problem. On 
 > XFree4.4.0 it works OK from the begining.

I was sure I saw this working on Debian at one point, but its possible
that I tested it also with XFree rather than Xorg.


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