Re: NetBSD installation woes on Sun Blade 100

[Connor McLaughlan <cont6pro3%gmail.com@localhost>]

On Mon, Jul 20, 2020 at 4:53 PM Martin Husemann <martin%duskware.de@localhost> wrote:
>
> On Mon, Jul 20, 2020 at 04:23:03PM +0200, Connor McLaughlan wrote:
> > I still need support in building my own sparc64 kernel for a Sun Blade
> > 100 and similar machines.
> > Setting SSIZE to 4 seems to be not enough for the mach64 driver to
> > initialize correctly.
>
> The kernel stack size should be totally unrelated here - there was an
> issue with reading EDID data for radeon cards (XVR100) that got
> recently fixed (and now is fixed in netbsd-9 as well) and which may
> have been worked around with more stack.
>
> 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.
>
> This is with output-device set to "screen".
>
> Unfortunately this also happens with "screen:r1280x1024x60", and dmesg
> says:
>
> machfb0 at pci1 dev 2 function 0: vendor 1002 product 4754 (rev. 0x9a)
> machfb0: 16 MB aperture at 0xe1000000, 4 KB registers at 0x00000000
> machfb0: 128 KB ROM at 0xe1020000
> machfb0: 2048 KB SGRAM 62.999 MHz, maximum RAMDAC clock 170 MHz
> machfb0: autoconfiguration error: unable to use preferred mode
> machfb0: initializing the DSP
> machfb0: initial resolution 1152x720 at 8 bpp
> wsdisplay0 at machfb0: console (default, dumb emulation)
>
> and again my display goes out of range. But the machine comes up and I can
> log in via the network, so testing is easy and non destructive.
>
> Michael, Julian - any ideas? Ping me if you need some debug info.
>
> Martin

So i would be needing the kernel sources that John used for his posted
testing iso.

I used the kernel syssrc.tgz from here:
ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-9.0/source/sets/

Kernels compiled with this source will not work with the mach64.

Regards,
Connor