Bug 112938

Summary:	multihead matrox g550 fails with two graphic adapters (2x2)
Product:	[openSUSE] SUSE LINUX 10.0	Reporter:	Stephan Lauffer <lauffer>
Component:	SaX2	Assignee:	Stefan Dirsch <sndirsch>
Status:	RESOLVED WONTFIX	QA Contact:	E-mail List <qa-bugs>
Severity:	Normal
Priority:	P5 - None
Version:	Beta 3
Target Milestone:	---
Hardware:	Other
OS:	All
Whiteboard:
Found By:	Other	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---
Attachments:	"Device Sections" of XF86Config from a 9.3 setup lspci -nv with the two matrox g550 adapters

Description Stephan Lauffer 2005-08-25 10:55:00 UTC

I'm not a X-expert, but on suse-9.3 sax2 was better in detecting the two g550
matrox dual head cards (one agp, one pci). What beta3 does:

On SuSE-10-Beta3 the primary/first vga-out of both graphic adapters were found
and I could configure them the yast-way (xinerama...). The second vga-out is
dead/not detected. The xorg.conf misses the device sections with "Screen 1".

On 9.3 the second vga-out was found on both cards but the 2nd of the pci adapter
faild until I modified the XF86Config. I'll attach the old XF86Config l8ters.

It's on you to decide if it's a "bug" or a not supported feature.

greetings, stephan

Comment 1 Stephan Lauffer 2005-08-25 10:58:02 UTC

Created attachment 47519 [details]
"Device Sections" of XF86Config from a 9.3 setup

I changed the XF86Config build by sax2 manually to get all 4 vga-outs working
on SuSE-9.3.

Comment 2 Stephan Lauffer 2005-08-25 10:59:23 UTC

Created attachment 47520 [details]
lspci -nv with the two matrox g550 adapters

maybe this lspci help. tell me if I could help out with some other
informatinos.

Comment 3 Marcus Schaefer 2005-08-26 09:22:06 UTC

you are right 9.3 tried to handle that crappy mga driver in dualhead  
mode but 10.0 won't because the quality is even worse than on 9.3 
10.0 will not support Matrox multihead environments by default. You can 
try to use: 
 
   sax2 -b /usr/share/sax/profile/Matrox_G550 
 
from runlevel 3 
 
but there is no support on the result

Comment 4 Stefan Dirsch 2005-08-26 09:29:57 UTC

I agree.