Re: NetBSD installation woes on Sun Blade 100

Hello,

On Mon, 20 Jul 2020 16:53:40 +0200
Martin Husemann <[email protected]> wrote:

> However, there is something very wrong with mach64. I fixed my U5
> recentish and see this at boot (with serial console, using -current):
> 
> [   1.0000000] machfb0 at pci1 dev 2 function 0: vendor 1002 product 4754 (rev. 0x9a)
> [   1.0000000] machfb0: 16 MB aperture at 0xe1000000, 4 KB registers at 0x00000000
> [   1.0000000] machfb0: 128 KB ROM at 0xe1020000
> [   1.0000000] machfb0: 2048 KB SGRAM 62.999 MHz, maximum RAMDAC clock 170 MHz
> [   1.0000000] machfb0: unable to use preferred mode
> [   1.0000000] machfb0: initializing the DSP
> [   1.0000000] machfb0: initial resolution 1152x720 at 8 bpp
> [   1.0000000] wsdisplay1 at machfb0
> [   1.0000000] direct rendering for machfb0 unsupported
> 
> 
> OF uses 1280x1024 x 60Hz with my display and when I boot with machfb as
> console the display goes out of range as soon as machfb attaches.

Huh, 1280x1024 should Just Work(tm) on that chip. Got to check why
machfb thinks the mode is unusable.
I have a 2MB Rage II on a card here somewhere, time to dig it up.

have fun
Michael