On Wed, Jul 26, 2006 at 08:03:44AM +1000, Daniel Carosone wrote:
> Can you drop to ddb while it is 'hung', and if so what backtrace do
> you see?

Not much.  This is after a few seconds of "no ping replies" condition:

cpu_Debugger(...)
wskbd_translate()
wskbd_input()
...
pckbd_input(...)
pckbcintr(c492f880,c0496d71,42,c09472c0,0) at netbsd:pckbcintr+0x65
intr_biglock_wrapper(c48f1300,0,ce190010,30,10) at netbsd:intr_biglock_wrapper+0x18
Xintr_ioapic_edge1() at netbsd:Xintrx_ioapic_edge1+0x9c
--- interrupt ---
netbsd:mpidle:
db{0}>

(manual copy-paste, typed blind-folded ;)

Doesn't tell me much.. :-(

  -jm