210:Oct 19 10:00:08 dfbsd syslogd: exiting on signal 15
211:boot() called on cpu#2
212:Switching to cpu #0 for shutdown
213:Waiting (max 60 seconds) for system thread swapcached to stop...stopped
214:Waiting (max 60 seconds) for system thread vnlru to stop...stopped
215:Waiting (max 60 seconds) for system thread consttyd to stop...stopped
216:Waiting (max 60 seconds) for system thread bufdaemon_hw to stop...stopped
217:Waiting (max 60 seconds) for system thread bufdaemon to stop...stopped
218:
219:syncing disks... 0 0 0 
220:done
221:v-chain 0xfffff8008fb604c0 volume.0   0000000000000010 0000000000000000/0  mir=0000000000000152
222:      [00002000] (?) refs=1
223:f-chain 0xfffff8008fb60640 freemap.0   0000000000000010 0000000000000000/0  mir=0000000000000152
224:      [00002000] (?) refs=1
225:Uptime: 1m13s
226:panic: assertion "lockstatus(&panasonic_serial, curthread) == LK_EXCLUSIVE" failed in hkey_sound_mute at /usr/src/sys/dev/acpica/panasim/acpi_panasonic_verbatim.c:374
227:cpuid = 0
228:Trace beginning at frame 0xfffff80116b5c7b8
229:hkey_sound_mute() at hkey_sound_mute+0xb9 0xffffffff80a80259 
230:hkey_sound_mute() at hkey_sound_mute+0xb9 0xffffffff80a80259 
231:acpi_panasonic_shutdown() at acpi_panasonic_shutdown+0x23 0xffffffff80a80283 
232:bus_generic_shutdown() at bus_generic_shutdown+0x53 0xffffffff8068c293 
233:acpi_shutdown() at acpi_shutdown+0x9 0xffffffff809fe109 
234:bus_generic_shutdown() at bus_generic_shutdown+0x53 0xffffffff8068c293 
235:Debugger("panic")
236:
237:CPU0 stopping CPUs: 0x0000003e
238: stopped
239:Stopped at      Debugger+0x7c:  movb    $0,0xbdd659(%rip)
240:db>