[Bug 615] Matrix (MGA) 550 dual head does not initialize properly

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Oct 7 21:56:45 UTC 2004

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deatrich at gmail.com changed:

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                 CC|                            |deatrich at gmail.com

------- Additional Comments From deatrich at gmail.com  2004-10-07 14:56 -------
I'm having this problem too - initially I have a working configuration.  After a
reboot one monitor is asleep and won't be easily revived.

Fedora core 2:
 $ rpm -q xorg-x11
 $ uname -r

>From what I have observered this problem starts BEFORE graphics is enabled. 
I've run lots of xinerama configurations on matrox cards, and normally once
booting starts _both_ screens mirror the console output before runlevel 5.  
However in this case the 2nd monitor stays asleep.

One way to get the 2nd head going again is to run:
 # system-config-display --reconfig
and then cancel it.
This seems to send a probe that wakes up the 2nd monitor.  At that point running
startx will give you normal dual-head, xinerama functionality.
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