Crash with latest 5.0_BETA

[Martti Kuparinen <martti.kuparinen%iki.fi@localhost>]

How can I get something useful out of this core file? My sources were 
updated 30 minutes ago so this is the latest netbsd-5 code...

Martti


NetBSD 5.0_BETA (FW) #2: Wed Nov 26 17:47:32 EET 2008
        root@fw:/usr/src/sys/arch/amd64/compile/FW
total memory = 2042 MB
avail memory = 1964 MB
timecounter: Timecounters tick every 10.000 msec
timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
SMBIOS rev. 2.5 @ 0x7fb9c000 (55 entries)
Dell Inc. PowerEdge R300



ROOT fw:/usr/src/sys/arch/amd64/compile/FW> dmesg -M 
/var/crash/netbsd.7.core
dmesg: kvm_read: Undefined error: 0
dmesg: kvm_read:


ROOT fw:/usr/src/sys/arch/amd64/compile/FW> gdb netbsd.gdb
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This GDB was configured as "x86_64--netbsd"...

(gdb)
(gdb) target kvm /var/crash/netbsd.7.core
#0  0xffffffff8050914a in cpu_reboot (howto=260, bootstr=<value 
optimized out>)
    at ../../../../arch/amd64/amd64/machdep.c:694
694                     dumpsys();
(gdb) bt
#0  0xffffffff8050914a in cpu_reboot (howto=260, bootstr=<value 
optimized out>)
    at ../../../../arch/amd64/amd64/machdep.c:694
#1  0xffffffff804564cb in panic (
    fmt=0xffffffff80989fbf <Address 0xffffffff80989fbf out of bounds>)
    at ../../../../kern/subr_prf.c:255
#2  0xffffffff8050a8f4 in trap (frame=0xffff8000496c3230)
    at ../../../../arch/amd64/amd64/trap.c:256
#3  0xffffffff80100eea in calltrap ()
#4  0xffffffff8045539b in kprintf (fmt0=0x0, oflags=Cannot access memory 
at address 0xffffffffffffff7c
)
    at ../../../../kern/subr_prf.c:1460
Previous frame inner to this frame (corrupt stack?)
(gdb)