uvm_fault(0xfffffd806c6e6020, 0x48, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at      witness_checkorder+0xb5:        movl    0x20(%r14),%r15d
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779
mtx_enter(18) at mtx_enter+0x95 sys/kern/kern_lock.c:406
clockintr_unbind(ffff8000015f1430,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375
dt_ioctl_record_stop(ffff8000015f6000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589
dtclose(11e5f,1,2000,ffff8000fffeed10) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e5f,1,2000,ffff8000fffeed10) at dtclose+0x109 sys/dev/dt/dt_dev.c:239
spec_close(ffff80002a2d3ed0) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd805d62e1f0,1,fffffd80097fd6e8,ffff8000fffeed10) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156
vn_closefile(fffffd80704d92a8,ffff8000fffeed10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd80704d92a8,ffff8000fffeed10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd80704d92a8,ffff8000fffeed10) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd80704d92a8,ffff8000fffeed10) at closef+0x192 sys/kern/kern_descrip.c:1264
fdfree(ffff8000fffeed10) at fdfree+0x116 sys/kern/kern_descrip.c:1195
exit1(ffff8000fffeed10,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff8000fffeed10,ffff80002a2d4240,ffff80002a2d4190) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a2d4240) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2d4240) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775
end trace frame: 0xffff80002a2d42c0, count: 0
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