Re: Saving kernel crash dumps

On Tue, 7 Oct 2025 12:55:21 +0200
Martin Husemann <[email protected]> wrote:

> On Tue, Oct 07, 2025 at 11:51:37AM +0100, Sad Clouds wrote:
> > On Tue, 7 Oct 2025 10:58:50 +0100
> > Sad Clouds <[email protected]> wrote:
> > 
> > > Does this mean remote GDB is not possible on these machines?
> > 
> > Never mind, I've just realised T5220 has a serial DB9 which is not
> > connected to ILOM. The other T4-2 system I have is missing this serial
> > port completely. I'll see if I can use DB9.
> > 
> > The serial port A on Sun Ultra 10, which NetBSD device does this map
> > to? Would that be /dev/ttya?
> 
> Depends on the hardware, you need to check dmesg output.
> 
> I am not sure the kgdb code ever worked on sparc64.
> 
> Martin

I wasn't very hopeful to begin with, but wanted to give it a try. Not
sure of T5220 DB9 port can be used as a system console, it's probably
there just to connect to other serial devices. I think I'll give up on
KGDB for now.