uvm_fault(0xfffffd80777fa8b8, 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(ffff8000014a3600) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593
dtclose(21e5f,1,2000,ffff80003c91c030) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(21e5f,1,2000,ffff80003c91c030) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239
spec_close(ffff80003c977af0) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd806caf8710,1,fffffd8007bfd138,ffff80003c91c030) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(fffffd807ff394b0,ffff80003c91c030) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd807ff394b0,ffff80003c91c030) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615
fdrop(fffffd807ff394b0,ffff80003c91c030) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd807ff394b0,ffff80003c91c030) at closef+0x190 sys/kern/kern_descrip.c:1264
fdfree(ffff80003c91c030) at fdfree+0x115 sys/kern/kern_descrip.c:1195
exit1(ffff80003c91c030,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80003c91c030,ffff80003c977e50,ffff80003c977da0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c977e50) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c977e50) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x745390531a00, count: 3
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