Fyi, running "bt" in the debugger yields (transcribed BY HAND):
db{0}> bt
breakpoint() at netbsd:breakpoint+0x5
vpanic() at netbsd:vpanic+0x13c
snprintf() at netbsd:snprintf
lockdebug_abort() at netbsd:locdebug_abort+0x63
mutex_vector_enter() at netbsd:mutex_vector_enter+0x531
sysmon_evnsys_register() at netbsd:sysmon_evnsys_register+0x41
acpiacad_attach() at netbsd:acpiacad_attach+0xcd
config_attach_loc() at netbsd:config_attach_loc+0x17a
acpi_rescan() at netbsd:acpi_rescan+0x20d
acpi_attach() at netbsd:acpi_attach+0x2f1
config_attach_loc() at netbsd:config_attach_loc+0x17a
mainbus_attach() at netbsd:mainbus_attach+0x2a6
config_attach_loc() at netbsd:config_attach_loc+0x17a
cpu_configure() atnetbsd:cpu_configure+0x26
main() at netbsd:main+0x29e
On 4/24/15, bch <brad.harder%gmail.com@localhost> wrote:
Transcribed boot msgs:
Mutex error: mutex_vector_enter: locking against myself
lock address : 0xffffffff811bc040
current cpu : 0
current lwp : 0xffffffff810cebc0
owner field : 0xffffffff810cebc0 wait/spin: 0/0
panic: lock error: Mutex: mutex_vector_enter: locking against myself:
lock 0xffffffff811bc040 cpu 0 lwp 0xffffffff810cebc0
fatal breakpoint trap in supervisor mode
trap type 1 code 0 rip ffffffff80289eed cs 8 rflags 246 cr2 0 ilevel 8
rsp ffffffff8137fab0
curlwp 0xffffffff810cebc0 pid 0.1 lowest kstack 0xffffffff8137c2c0
Stopped in pid 0.1 (system) at netbsd:breakpoint+0x5: leave