#1  0xffffffff8096fba5 in kern_reboot (howto=Unhandled dwarf expression opcode 0x93
) at /usr/src/sys/kern/kern_shutdown.c:448
#2  0xffffffff80970278 in vpanic (fmt=<value optimized out>, ap=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:747
#3  0xffffffff809700ae in kassert_panic (fmt=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:635
#4  0xffffffff80957e50 in __mtx_lock_flags (c=0xffffffff8180c740, opts=Unhandled dwarf expression opcode 0x93
) at /usr/src/sys/kern/kern_mutex.c:216
#5  0xffffffff80c017a7 in swap_release_by_cred (decr=266240, cred=<value optimized out>) at /usr/src/sys/vm/swap_pager.c:301
#6  0xffffffff80c1c480 in vm_object_destroy (object=0xfffff803e87aae00) at /usr/src/sys/vm/vm_object.c:688
#7  0xffffffff80c1b9e4 in vm_object_deallocate (object=<value optimized out>) at /usr/src/sys/vm/vm_object.c:659
#8  0xffffffff80c11e79 in vm_map_process_deferred () at /usr/src/sys/vm/vm_map.c:2873
#9  0xffffffff809323c3 in kern_execve (td=0xfffff802457784d0, args=0xfffffe085ccd1938, mac_p=<value optimized out>) at /usr/src/sys/kern/kern_exec.c:1231
#10 0xffffffff80931807 in sys_execve (td=<value optimized out>, uap=<value optimized out>) at /usr/src/sys/kern/kern_exec.c:208
#11 0xffffffff80d9ef83 in amd64_syscall (td=0xfffff802457784d0, traced=0) at subr_syscall.c:133
#12 0xffffffff80d7ce4b in Xfast_syscall () at /usr/src/sys/amd64/amd64/exception.S:395
#13 0x00000000004001a0 in ?? ()