sunffb wont load

[Michael Lorenz]

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Hello,

> Maybe you can CC me the patches as well. I also experienced some  
> blanking
> problem, however think it was different, like it blanked after 1 hour  
> of use
> and only restarting X ublanked it, and the FB was fine the whole time.  
> But I
> have to double-check since I handed the affected machine to a friend in
> another office.

I'm not sure if we're talking about the same thing. There seems to be a  
hardware bug in old FFB1 cards - as far as I can tell it's more or less  
exclusive to 1st generation horizontal Creator and Creator3D - which  
have a Pacifica 1 RAMDAC ( check your Xserver log, it should tell you  
which variant you have ). I'm not sure all cards with PAC1 are  
affected, our test set wasn't very big but we've had it reported on  
both horizontal Creator and Creator3D.
When X unblanks the screen you'll see random distortion. I've never  
seen it myself, I only have ffb2+ and afb cards and they're unaffected.  
It may or may not be related to the time the screen has been blanked.
We have a workaround for this and fed it back to XFree86, I'll port it  
over to xorg as soon as I have the time. If you want to do it yourself  
( and this is indeed the problem you have )  just look at  
cvs.netbsd.org:/xsrc/xfree/xc/programs/Xserver/hw/xfree/drivers/sunffb/ 
ffb_dac.c and ffb_driver.c, and have webcvs generate diffs against the  
vendor branch ( which is XFree86 4.5 ) - it's not complicated, we just  
redraw everything on unblank when the driver identifies a PAC1 RAMDAC.

have fun
Michael
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