[mythtv-users] g400 framebuffer help, please

[Stephen Mathezer]

Oh my, I had this problem about 3 months ago and never did figure it
out. I ended up abandoning the G400 idea and getting a different card. I
had found a couple of other posts on the mplayer-matrox mailing list
with the same problem but nobody had a solution. I am definitely going
to have to give this a try, if for nothing else than to get a card in
there that does not have its own fan.

Thanks for posting your solution.

-Steve

* Brian Lalor <blalor at bravo5.org> [030617 07:24]:
> Brian Lalor wrote:
> 
> >    ioctl failed: No such device or address
> 
> Well, I'll forgive everyone for not jumping right in and flooding me with 
> answers to this one. :-)  Thanks to the quick wit and brilliant insight of 
> Petr Vandrovec (the author of matroxset and the matrox fb code in the 
> kernel) we discovered that, because I'm using a single-head G400 with the 
> dual-head add-on card, the matroxfb_maven.c file had to be tweaked to find 
> the right device on the I2C bus.  The line
> 	#define MAVEN_I2CID     (0x1B)
> had to be changed to
> 	#define MAVEN_I2CID     (0x1A)
> 
> Making that one-character change and rebuilding the kernel fixed all my 
> problems.  I don't know how common this problem is (not too, I'd guess), 
> but hopefully this will help someone else out!
> 
> Thanks,
> B
> 
> -- 
>    __   ____
>   / /  / __/ Brian Lalor
>  / _ \/__ \  blalor at bravo5.org
> /_.__/____/  http://bravo5.org/
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