>>>>> "Jason" == Jason Thorpe <thorpej@nas.nasa.gov> writes:

    Chris> I have a recently upgraded from 1.3.3 Sun Sparc 10 that
    Chris> seems to panic regularely at around 4 or 5 am. Guess what
    Chris> runs at that time?
    >>
    >> I can confirm the same behavior of my IPX after the upgrade to
    >> 1.4. Backtracing the kernel core dumps always display:
    >>
    >> (gdb) target kcore netbsd.5.core panic: kernel fault
    >> #0 0xf0033d7c in mi_switch ()
    >> (gdb) bt
    >> #0 0xf0033d7c in mi_switch () 1 0xf003379c in tsleep () 2
    >> #0xf00de648 in uvm_scheduler () 3 0xf002347c in main ()
    >>
    >> Any hints on that? How to investigate it further?

    Jason> What does the message buffer say?

    Jason> dmesg -N /var/crash/netbsd.N -M /var/crash/netbsd.N.core

# dmesg -N /var/crash/netbsd.5 -M /var/crash/netbsd.5.core
dmesg: magic number incorrect

:-(.