[ 219.0525181] panic: LOCKDEBUG: Reader / writer lock error: rw_vector_enter,305: locking against myself
[ 219.0625246] cpu1: Begin traceback...
[ 219.0925191] vpanic() at netbsd:vpanic+0xc9d
[ 219.1325180] panic() at netbsd:panic+0x1b3 sys/kern/subr_prf.c:210
[ 219.1925190] lockdebug_abort1() at netbsd:lockdebug_abort1+0xe05
[ 219.2425205] rw_enter() at netbsd:rw_enter+0x1e0
[ 219.2825179] uvm_fault_internal() at netbsd:uvm_fault_internal+0x53a uvmfault_lookup sys/uvm/uvm_fault_i.h:128 [inline]
[ 219.2825179] uvm_fault_internal() at netbsd:uvm_fault_internal+0x53a uvm_fault_check sys/uvm/uvm_fault.c:987 [inline]
[ 219.2825179] uvm_fault_internal() at netbsd:uvm_fault_internal+0x53a sys/uvm/uvm_fault.c:897
[ 219.3325176] trap() at netbsd:trap+0x23bd
[ 219.3425164] --- trap (number 6) ---
[ 219.3825175] _ustore_8() at netbsd:_ustore_8+0x21
[ 219.4325171] sys___syscall() at netbsd:sys___syscall+0x2c6 sys/kern/sys_syscall.c:90
[ 219.4825206] syscall() at netbsd:syscall+0x60c sy_invoke sys/sys/syscallvar.h:94 [inline]
[ 219.4825206] syscall() at netbsd:syscall+0x60c sys/arch/x86/x86/syscall.c:138
[ 219.5025169] --- syscall (number 78 via SYS_syscall) ---
[ 219.5125164] netbsd:syscall+0x60c:
[ 219.5225159] cpu1: End traceback...
[ 219.5225159] fatal breakpoint trap in supervisor mode
[ 219.5225159] trap type 1 code 0 rip 0xffffffff802228ad cs 0x8 rflags 0x286 cr2 0x20000000 ilevel 0 rsp 0xffffcf8093de71b0
[ 219.5425178] curlwp 0xffffcf80139148c0 pid 4394.3463 lowest kstack 0xffffcf8093de02c0