Re: matroxfb and 2 matrox cards

Christoph Kaminski wrote:
> Hi!
> 
> I have a Problem with 2 Matrox Cards in the same PC and matroxfb
> I want to use the Millenium2 for console/X and the G450 for tv-out (directfb)
> 
> I can load the matroxfb module without any errors:
> 
> matroxfb: Matrox Millennium II (PCI) detected
> matroxfb: MTRR's turned on
> matroxfb: 640x480x8bpp (virtual: 640x13081)
> matroxfb: framebuffer at 0xDA000000, mapped to 0xf9080000, size 8388608
> Console: switching to colour frame buffer device 80x30
> kernel: fb0: MATROX frame buffer device
> kernel: PCI: Enabling device 0000:03:00.0 (0000 -> 0002)
> kernel: ACPI: PCI Interrupt 0000:03:00.0[A] -> Link [APC4] -> GSI 19 (level, 
> high) -> IRQ 193
> kernel: matroxfb: Matrox G450 detected
> kernel: matroxfb: MTRR's turned on
> kernel: matroxfb: 640x480x8bpp (virtual: 640x26214)
> kernel: matroxfb: framebuffer at 0xD8000000, mapped to 0xfa100000, size 
> 33554432
> kernel: fb1: MATROX frame buffer device
> kernel: fb1: initializing hardware
> kernel: matroxfb_crtc2: secondary head of fb1 was registered as fb2
> kernel: matroxfb: cannot set xres to 800, rounded up to 832
> 
> but if I start a Program what uses directfb (eg: mplayer or freevo) ond 
> the /dev/fb1 (G450) then it freezes the /dev/fb0 (millenium2/console)
> If I stop the application, then I can again use console (/dev/fb0)
> 
> why? how can I solve it?
> 

Currently, only one vt can be active at a time. Directfb applications
usually allocate a vt, then switch to it.  This leaves the other vt's
inactive.

Try to experiment with options like --dfb:no-vt-switch, vt-switching,
no-graphics-vt. Try to do it with directfb apps first, then find a way to
pass these options to mplayer.

Another way is to launch the directfb app while in X.  I have heard that this
setup works for a lot of people.

(Note: I haven't followed development of directfb for sometime, but I guess
those options are still there).

Tony




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