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Re: port-sparc64/55173: NetBSD-9.0/sparc64 blackscreens on bootup from CDROM on Sun Ultra 5
The following reply was made to PR port-sparc64/55173; it has been noted by GNATS.
From: Julian Coleman <jdc%coris.org.uk@localhost>
Cc: port-sparc64-maintainer%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
Subject: Re: port-sparc64/55173: NetBSD-9.0/sparc64 blackscreens on bootup
from CDROM on Sun Ultra 5
Date: Thu, 16 Apr 2020 11:46:35 +0200
> I have a Sun Ultra 5 with a UltraSparc II+ 360MHz and 256MB of RAM.
> I burn the ISO to a CD, put it in the machine and at the openboot prompt I run 'boot cdrom'. The bootcode loads up and some kernel messages can be seen.
> At one point though, when the "" is printed on console, the screen goes black, with all monitors tested reporting no signal, the keyboard stops working (status lights dont work, Stop-a doesnt work) and I can hear no seeking noises from the CD drive. I know it works because I used it to install Solaris multiple times and it always worked. The serial console doesn't print anything when the screen goes down. I have a friend with similar specs (512MB of RAM instead of 256, everything else is the same. even the HDD model) which has had the same exact problem.
We netbooted a custom netbsd-9 kernel, with updated machfb from current:
and this fixes the problem.
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