[  53.7885912] panic: mutex_vector_enter,520: uninitialized lock (lock=0xffff92801343d0d8, from=ffffffff8579f7d1)
[  53.7885912] cpu0: Begin traceback...
[  53.7885912] vpanic() at netbsd:vpanic+0xc9d
[  53.7885912] panic() at netbsd:panic+0x1b3 sys/kern/subr_prf.c:210
[  53.7885912] lockdebug_wantlock() at netbsd:lockdebug_wantlock+0x5e8
[  53.7885912] mutex_enter() at netbsd:mutex_enter+0x1fa
[  53.7885912] vndopen() at netbsd:vndopen+0x6a1
[  53.7885912] bdev_open() at netbsd:bdev_open+0x970 sys/kern/subr_devsw.c:947
[  53.7885912] spec_open() at netbsd:spec_open+0x13d9 sys/miscfs/specfs/spec_vnops.c:884
[  53.7885912] VOP_OPEN() at netbsd:VOP_OPEN+0x221 sys/kern/vnode_if.c:569
[  53.7885912] vn_open() at netbsd:vn_open+0x1cce sys/kern/vfs_vnops.c:323
[  53.7885912] do_open() at netbsd:do_open+0x49d sys/kern/vfs_syscalls.c:1752
[  53.7885912] do_sys_openat() at netbsd:do_sys_openat+0x44b sys/kern/vfs_syscalls.c:1837
[  53.7885912] sys_open() at netbsd:sys_open+0x13d sys/kern/vfs_syscalls.c:1858
[  53.7885912] sys___syscall() at netbsd:sys___syscall+0x2c6 sys/kern/sys_syscall.c:90
[  53.7885912] syscall() at netbsd:syscall+0x60c sy_invoke sys/sys/syscallvar.h:94 [inline]
[  53.7885912] syscall() at netbsd:syscall+0x60c sys/arch/x86/x86/syscall.c:138
[  53.7885912] --- syscall (number 5 via SYS_syscall) ---
[  53.7885912] netbsd:syscall+0x60c:
[  53.7885912] cpu0: End traceback...
[  53.7885912] fatal breakpoint trap in supervisor mode
[  53.7885912] trap type 1 code 0 rip 0xffffffff802228ad cs 0x8 rflags 0x282 cr2 0x732679616000 ilevel 0x8 rsp 0xffff92808fb8e1a0
[  53.7885912] curlwp 0xffff9280135efa40 pid 2746.2651 lowest kstack 0xffff92808fb872c0
[  53.7885912] uvm_fault(0xffff92801352b450, 0x0, 1) -> e
[  53.7885912] fatal page fault in supervisor mode
[  53.7885912] trap type 6 code 0 rip 0xffffffff848af867 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffff92808fb8db90
[  53.7885912] curlwp 0xffff9280135efa40 pid 2746.2651 lowest kstack 0xffff92808fb872c0
kernel: page fault trap, code=0
[  53.7885912] uvm_fault(0xffff92801352b450, 0x0, 1) -> e
[  53.7885912] fatal page fault in supervisor mode
[  53.7885912] trap type 6 code 0 rip 0xffffffff848af867 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffff92808fb8d580
[  53.7885912] curlwp 0xffff9280135efa40 pid 2746.2651 lowest kstack 0xffff92808fb872c0
kernel: page fault trap, code=0
[  53.7885912] uvm_fault(0xffff92801352b450, 0x0, 1) -> e
[  53.7885912] fatal page fault in supervisor mode
[  53.7885912] trap type 6 code 0 rip 0xffffffff848af867 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffff92808fb8cf70
[  53.7885912] curlwp 0xffff9280135efa40 pid 2746.2651 lowest kstack 0xffff92808fb872c0
kernel: page fault trap, code=0
[  53.7885912] uvm_fault(0xffff92801352b450, 0x0, 1) -> e
[  53.7885912] fatal page fault in supervisor mode
[  53.7885912] trap type 6 code 0 rip 0xffffffff848af867 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffff92808fb8c960
[  53.7885912] curlwp 0xffff9280135efa40 pid 2746.2651 lowest kstack 0xffff92808fb872c0
kernel: page fault trap, code=0
[  53.7885912] uvm_fault(0xffff92801352b450, 0x0, 1) -> e
[  53.7885912] fatal page fault in supervisor mode
[  53.7885912] trap type 6 code 0 rip 0xffffffff848af867 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffff92808fb8c350
[  53.7885912] curlwp 0xffff9280135efa40 pid 2746.2651 lowest kstack 0xffff92808fb872c0
kernel: page fault trap, code=0
[  53.7885912] uvm_fault(0xffff92801352b450, 0x0, 1) -> e
[  53.7885912] fatal page fault in supervisor mode
[  53.7885912] trap type 6 code 0 rip 0xffffffff848af867 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffff92808fb8bd40
[  53.7885912] curlwp 0xffff9280135efa40 pid 2746.2651 lowest kstack 0xffff92808fb872c0
kernel: page fault trap, code=0
[  53.7885912] uvm_fault(0xffff92801352b450, 0x0, 1) -> e
[  53.7885912] fatal page fault in supervisor mode
[  53.7885912] trap type 6 code 0 rip 0xffffffff848af867 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffff92808fb8b730
[  53.7885912] curlwp 0xffff9280135efa40 pid 2746.2651 lowest kstack 0xffff92808fb872c0
kernel: page fault trap, code=0
[  53.7885912] uvm_fault(0xffff92801352b450, 0x0, 1) -> e
[  53.7885912] fatal page fault in supervisor mode
[  53.7885912] trap type 6 code 0 rip 0xffffffff848af867 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffff92808fb8b120
[  53.7885912] curlwp 0xffff9280135efa40 pid 2746.2651 lowest kstack 0xffff92808fb872c0
kernel: page fault trap, code=0
[  53.7885912] uvm_fault(0xffff92801352b450, 0x0, 1) -> e
[  53.7885912] fatal page fault in supervisor mode
[  53.7885912] trap type 6 code 0 rip 0xffffffff848af867 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffff92808fb8ab10
[  53.7885912] curlwp 0xffff9280135efa40 pid 2746.2651 lowest kstack 0xffff92808fb872c0
kernel: page fault trap, code=0
[  53.7885912] uvm_fault(0xffff92801352b450, 0x0, 1) -> e
[  53.7885912] fatal page fault in supervisor mode
[  53.7885912] trap type 6 code 0 rip 0xffffffff848af867 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffff92808fb8a500
[  53.7885912] curlwp 0xffff9280135efa40 pid 2746.2651 lowest kstack 0xffff92808fb872c0
kernel: page fault trap, code=0
[  53.7885912] uvm_fault(0xffff92801352b450, 0x0, 1) -> e
[  53.7885912] fatal page fault in supervisor mode
[  53.7885912] trap type 6 code 0 rip 0xffffffff848af867 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffff92808fb89ef0
[  53.7885912] curlwp 0xffff9280135efa40 pid 2746.2651 lowest kstack 0xffff92808fb872c0
kernel: page fault trap, code=0