uvm_fault(0xfffffd806ae157d0, 0x0, 0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff8143d5b8 cs 8 rflags 10207 cr2 0 cpl 0 rsp ffff80002a278e70
gsbase 0xffff8000299edff0  kgsbase 0x0
panic: trap type 6, code=0, pc=ffffffff8143d5b8
Starting stack trace...
panic(ffffffff833c5207) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff80002a278dc0) at kerntrap+0x30b
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
dt_ioctl_record_stop(ffff800001569000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593
dtclose(11e61,2,2000,ffff80003c462fd0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(11e61,2,2000,ffff80003c462fd0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239
spec_close(ffff80002a278f70) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd806a922d00,2,fffffd80097fb6e8,ffff80003c462fd0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806cbc3e88,ffff80003c462fd0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806cbc3e88,ffff80003c462fd0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd806cbc3e88,ffff80003c462fd0) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd806cbc3e88,ffff80003c462fd0) at closef+0x192 sys/kern/kern_descrip.c:1264
fdfree(ffff80003c462fd0) at fdfree+0x116 sys/kern/kern_descrip.c:1195
exit1(ffff80003c462fd0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80003c462fd0,ffff80002a2792e0,ffff80002a279230) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a2792e0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a2792e0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x772bbf365580, count: 242
End of stack trace.