uvm_fault(0xfffffd806459b028, 0x0, 0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff82687908 cs 8 rflags 10207 cr2 0 cpl 0 rsp ffff800035be9f40
gsbase 0xffff8000299ddff0  kgsbase 0x0
panic: trap type 6, code=0, pc=ffffffff82687908
Starting stack trace...
panic(ffffffff833e1621) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff800035be9e90) at kerntrap+0x30b
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
dt_ioctl_record_stop(ffff8000015ee000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593
dtclose(21e5f,81,2000,ffff80003c45ed30) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(21e5f,81,2000,ffff80003c45ed30) at dtclose+0x109 sys/dev/dt/dt_dev.c:239
spec_close(ffff800035bea040) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd805f9ff628,81,fffffd80097fd3a8,ffff80003c45ed30) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156
vn_closefile(fffffd8064520e48,ffff80003c45ed30) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd8064520e48,ffff80003c45ed30) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615
fdrop(fffffd8064520e48,ffff80003c45ed30) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd8064520e48,ffff80003c45ed30) at closef+0x192 sys/kern/kern_descrip.c:1264
fdfree(ffff80003c45ed30) at fdfree+0x116 sys/kern/kern_descrip.c:1195
exit1(ffff80003c45ed30,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80003c45ed30,ffff800035bea3b0,ffff800035bea300) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff800035bea3b0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff800035bea3b0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7e18685ad3e0, count: 242
End of stack trace.