On Mon, Sep 12, 2022 at 09:17:52PM +0200, Edgar Fuß wrote:
> I'm trying to run NetBSD on a Dell PowerEdge R6515, and the kernel is being
> loaded (PXE or USB) but then the machine hangs hard.
>
> What's the way to debug a kernel that hangs so early that you can't printf
> or drop into ddb? I guess that's a phenomenon quite common for a new port
> or changes to locore.s (or whatever that's called today), but it's completely
> new to me.
>
> I have virtually no clue about PeCee hardware. At the point the kernel is
> started, are BIOS routines still available?
If you can setup a serial console, it may make things much easier.
I almost always use serial consoles on dev machines; I don't remember the
details but doing the equivalent of a putchar very early was possible.
--
Manuel Bouyer <bou...@antioche.eu.org>
NetBSD: 26 ans d'experience feront toujours la difference
--
