db> bt
at panic+1b4
at remrunqueue+8c
at schedcpu+1e4
at softclock+238
at do_pending_int+124
at spllower+50
at lcsplx+c
at cpu_switchto+38
at mi_switch+158
at sa_switch+178
at ltsleep+400
at sbwait+44
at soreceive+e2c
at recvit+148
at sys_recvfrom+88
at syscall_plain+d8
at setfault+c54
db> reboot
syncing disks... panic: remrunqueue
Stopped at      netbsd:cpu_Debugger+0x14:       addi    1,1,16
db> reboot
panic: wdc_exec_command: polled command not done
Stopped at      netbsd:cpu_Debugger+0x14:       addi    1,1,16
db> reboot
rebooting