In message <Pine.NEB.3.96.980824030456.5026D-100000@loneshark.causality.com> you wrote:

> On Sat, 22 Aug 1998, Chris Cowdery wrote:
> 
> > I've got a floppy disc (DOS 1.44M) which has some kind of defect
> > on it. Windows reads garbage, RiscOS complains that the cluster chain
> > is not consistent, but NetBSD/arm32 suffers a kernel panic and drops
> > to the debug prompt.
> > 
> > I'm using a fresh install of NetBSD 1.3.2 from the ftp site, so
> > everything is as per the 1.3.2 binary install.
> > 
> > If anyone wants more info, let me know.
> 
> A trace from the debugger may be useful.

Right then, here goes (typos excepted!).

dibbler# cd ppp
panic: pmap_enter_pv: already in pv_tab pind=0366 pv 0xf1077660: f1f57000/0xf0143a64/0x0
stopped at _Debugger+0x10: ldmdb r11,{r11,r13,r15}
db> trace
_Debugger(_Debugger+0x10)
_panic(_panic+0x14)
_pmap_enter_pv(_pmap_enter_pv+0x10)
_pmap_enter(_pmap_enter+0x10)
_vm_fault(_vm_fault_0x10)
_data_abort_handler(_data_abort_handler+0x10)
_pcbmap(_pcbmap_0x10)
_deget(_deget+0x10)
_msdosfs_lookup(_msdosfs_lookup+0x10)
_lookup(_lookup+0x10)
_namei(_namei+0x10)
_sys_chroot(_sys_chroot+0x9c)
_sys_chdir(_sys_chdir+0x10)
_syscall(_syscall+0x10)
db>

I hope this helps. Any more info / tests, let me know.

Thanks,

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