Re: diagnosing post-install boot failure

[Greg Troxel <gdt%lexort.com@localhost>]

Ben Collver <bencollver%riseup.net@localhost> writes:

> I installed NetBSD/amd64 10.1.  When i try to boot the installed
> system, i see the green kernel messages scroll by, then the screen
> goes dark.  I get the same result when i try to boot to single user
> mode.

There are likely no logs because probably the disk was never mounted rw.

My guess is that your machine is crashing in the video driver.   Note I
said *guess*.

I would read the man page for boot(8) and pass -c to boot and then
something like "disable radeon" and "disable drmkms", perhaps
i915drmkms.


It looks like your disk is gpt, so instead of /dev/rwd0a, look at
/dev/rdk1 which is probably attached as the netbsd partition, vs dk0 the
EFI partition.