Matrox G550 dual-head problem
Dave Jones
davej at redhat.com
Mon Nov 29 15:34:00 UTC 2004
On Mon, Nov 29, 2004 at 10:49:01AM +0000, Mark Wilkinson wrote:
> I've just upgraded one of my systems from FC2 to FC3. One of the most
> obvious problems I'm seeing is that the second head on my Matrox G550
> doesn't get enabled when the X server is started by GDM. The server
> *is* running in Xinerama mode though - the mouse pointer disappears
> off the right hand side of the first head and comes back correctly.
> The second monitor just sits there saying "No signal" though.
>
> The workaround seems to be to flick back to one of the text consoles
> (Ctrl-Alt-F1), then back to the X server (Alt-F7) - the second head
> then springs to life.
Yep. Fiddle with teh xorg config a little (try commenting out the
line that reads something like 'screen0 leftof screen1', and
ctrl-alt-del your x-server. for me, it fires up the 2nd head,
though cloned. unedit the xorg.conf again, ctrl-alt-del,
and it behaves as you would expect.
spooky bug, and been there since fc1.
Dave
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