Re: GNU Mach 2's serial console doesn't work?

[Peter 'p2' De Schrijver]

On Wed, Nov 06, 2002 at 05:51:51PM +0100, Marcus Brinkmann wrote:
> Hi,
> 
> I just tried to boot OSKit Mach with a serial console.  It doesn't work
> anymore!  Has anybody got it to work recently, or can reproduce this bug? 
> Does anybody have two serial cables to debug this?  (Else I have to buy
> another one).
> 
> Here is what happens (in minicom with GRUB on serial console):
> 
> root   (hd1,0)
>  Filesystem type is ext2fs, partition type 0x83
> kernel /boot/gnumach2.gz -h CONS_COM=2 BAUD=9600 root=device:hd2s1 --
>    [Multiboot-elf, <0x100000:0x14c794:0x0>, <0x24d000:0x17920:0x2da44>,
> shtab=0
> x293280, entry=0x100000]
> module /hurd/ext2fs.static --readonly
> --multiboot-command-line=${kernel-command
> -line} --host-priv-port=${host-port} --device-master-port=${device-port}
> --exec
> -server-task=${exec-task} -T typed ${root} $(task-create) $(task-resume)
>    [Multiboot-module @ 0x2cf000, 0xc8604 bytes]
> module /lib/ld.so.1 /hurd/exec $(exec-task=task-create)
>    [Multiboot-module @ 0x398000, 0x25295 bytes]
> 
> Welcome to GNUmach 1.90!
> 
> and then it just sits there.
> 

I have seen similar things. I suspect that serial console without GDB
stub does not work. You can do serial console and GDB stub on the same
serial link however. Otherwise you will have to make/buy an extra cable
:)

Cheers,

p2.