paul wrote:
> 
> prlw1@cam.ac.uk (Patrick Welche) wrote:
> 
> > Undefined instruction 0xeca0420c @ 0x00006a20 in process login
> > LDC/STC
> > stc     p2, c4, [r0], #0x030!
> >
> > In the configuration I included
> > options         COMPAT_43       # 4.3BSD compatibility.
> > options         COMPAT_13       # NetBSD 1.3 compatibility.
> > options         COMPAT_12       # NetBSD 1.2 compatibility.
> >
> > So, have I missed a compatibility option? I should be able to build
> > the new userland with a new kernel and old compiler right?
> 
> Okay there are 2 issues here:

[...]

> BTW, what does gdb say when you run your program? You can probably safely
> ignore the kernel warning message as to what the real problem is (Mark can
> decode the rest of the message but mere mortals like the rest of us stand
> no chance :)

gdb says exactly the same thing ;)

# gdb
Undefined instruction 0xeca0420c @ 0x00006a20 in process gdb (pid 18)
LDC/STC
stc     p2, c4, [r0], #0x030!
Illegal instruction - core dumped

So, login, csh, gdb bad; sh, fsck, mount, swapctl good.

I can send you gdb.core if you're interested!

Cheers,

Patrick