uvm_fault(0xfffffd807dc6ba28, 0x0, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at      dt_ioctl_record_stop+0x108:     movq    0(%r14),%r14
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
dt_ioctl_record_stop(ffff80000148a900) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586
dtclose(21e5f,1,2000,ffff80002a7dcd10) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(21e5f,1,2000,ffff80002a7dcd10) at dtclose+0xd9 sys/dev/dt/dt_dev.c:232
spec_close(ffff80003a559b60) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd806c198968,1,fffffd8007bfb888,ffff80002a7dcd10) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(fffffd8068d4fd38,ffff80002a7dcd10) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd8068d4fd38,ffff80002a7dcd10) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615
fdrop(fffffd8068d4fd38,ffff80002a7dcd10) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd8068d4fd38,ffff80002a7dcd10) at closef+0x190 sys/kern/kern_descrip.c:1264
fdfree(ffff80002a7dcd10) at fdfree+0x115 sys/kern/kern_descrip.c:1195
exit1(ffff80002a7dcd10,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80002a7dcd10,ffff80003a559ec0,ffff80003a559e10) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003a559ec0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003a559ec0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x757cfe205320, count: 3
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