uvm_fault(0xfffffd8068bbc020, 0x0, 0, 1) -> e fatal page fault in supervisor mode trap type 6 code 0 rip ffffffff82b6a8e8 cs 8 rflags 10207 cr2 0 cpl 0 rsp ffff80002efd55c0 gsbase 0xffffffff837c0ff0 kgsbase 0x0 panic: trap type 6, code=0, pc=ffffffff82b6a8e8 Starting stack trace... panic(ffffffff833b8aaf) at panic+0x1d0 sys/kern/subr_prf.c:229 kerntrap(ffff80002efd5510) at kerntrap+0x30b alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff800001526000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(21e5f,81,2000,ffff8000fffeea78) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff8000fffeea78) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002efd56c0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805e71e528,81,fffffd80097fb410,ffff8000fffeea78) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805e0a5cd8,ffff8000fffeea78) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805e0a5cd8,ffff8000fffeea78) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805e0a5cd8,ffff8000fffeea78) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805e0a5cd8,ffff8000fffeea78) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffeea78) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffeea78,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffeea78,ffff80002efd5a30,ffff80002efd5980) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002efd5a30) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002efd5a30) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73d28fdff730, count: 242 End of stack trace. WA RNIdNG:u mSpP tLo NdOeTv 4 ,1L OWnEoRt EpD oOsN TsRiAbPl eE XIT c 0 Stopped at proc_trampoline+0xc7: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND *365281 59752 60929 0x10 0 1 syz-executor proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x73e97fb95640, count: 14 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu0: uvm_fault(0xfffffd8068bbc020, 0x0, 0, 1) -> e ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x73e97fb95640, count: -1 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003bff9d70 rbx 0 rdx 0 rcx 0xffff80003c4614e8 rax 0x2a r8 0xffff80003bff9ca0 r9 0x1 r10 0x808803a803e7fe r11 0x7a6daf046e944237 r12 0 r13 0xffffffff819b71d8 Xdoreti+0x18 r14 0 r15 0 rip 0xffffffff8312a4c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff80003bff9cf0 ss 0 proc_trampoline+0xc7: movl $0,%gs:0x688 ddb{1}> show proc PROC (syz-executor) tid=365281 pid=59752 tcnt=3 stat=onproc flags process=10 proc=0 runpri=85, usrpri=85, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffeea78,0xffff80003c461cc0 process=0xffff80002a3cf508 user=0xffff80003bff4000, vmspace=0xfffffd806c1f1b88 estcpu=35, cpticks=12, pctcpu=0.11, user=11, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 83333 122634 47986 0 2 0 syz-executor 9375 310331 28492 0 2 0 syz-executor 9375 412313 28492 0 3 0x4000080 fsleep syz-executor 13033 210105 6396 0 2 0 syz-executor 13033 133109 6396 0 3 0x4000080 fsleep syz-executor 13033 190461 6396 0 3 0x4000080 fsleep syz-executor *59752 365281 91072 60929 7 0x10 syz-executor 59752 202418 91072 60929 3 0x4000090 fifow syz-executor 59752 480156 91072 60929 2 0x4000010 syz-executor 28485 87135 0 0 3 0x14200 acct acct 28995 200016 27451 0 2 0x10000c82 syz-executor 19576 47019 27451 0 3 0x82 wait syz-executor 47986 432854 27451 0 2 0xc82 syz-executor 6396 477629 27451 0 2 0xc82 syz-executor 72323 4192 0 0 3 0x14200 bored sosplice 91072 163618 27451 0 2 0xc82 syz-executor 99116 101058 27451 0 2 0xc82 syz-executor 28492 100145 27451 0 2 0xc82 syz-executor 83976 284868 27451 0 2 0x2 syz-executor 27451 302218 38833 0 2 0x2 syz-executor 38833 376853 89495 0 3 0x10008a sigsusp ksh 89495 173265 70650 0 3 0x98 kqread sshd-session 70650 43116 44117 0 3 0x92 kqread sshd-session 4029 170436 1 0 2 0x100083 getty 44117 248807 1 0 3 0x88 kqread sshd 47553 118805 24293 74 3 0x1100092 bpf pflogd 24293 383837 1 0 3 0x80 sbwait pflogd 80944 216760 81677 73 3 0x1100090 kqread syslogd 81677 427547 1 0 3 0x100082 sbwait syslogd 70392 154369 1 0 3 0x100080 kqread resolvd 72114 116045 90441 77 3 0x100092 kqread dhcpleased 79471 159592 90441 77 3 0x100092 kqread dhcpleased 90441 41879 1 0 3 0x80 kqread dhcpleased 58994 152167 0 0 2 0x14200 smr 75681 280497 0 0 2 0x14200 zerothread 7209 521262 0 0 3 0x14200 aiodoned aiodoned 51395 505601 0 0 3 0x14200 syncer update 96431 158275 0 0 3 0x14200 cleaner cleaner 43104 64045 0 0 3 0x14200 reaper reaper 61579 380811 0 0 3 0x14200 pgdaemon pagedaemon 93959 121707 0 0 3 0x14200 bored viomb 8022 314427 0 0 3 0x40014200 acpi0 acpi0 60328 506669 0 0 3 0x40014200 idle1 49818 20971 0 0 3 0x14200 bored softnet1 8025 371291 0 0 2 0x14200 softnet0 97994 211774 0 0 3 0x14200 smrbar systqmp 77172 157101 0 0 3 0x14200 bored systq 10386 211648 0 0 3 0x14200 tmoslp softclockmp 76796 382435 0 0 3 0x40014200 tmoslp softclock 88620 177288 0 0 3 0x40014200 idle0 1 168867 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &sched_lock r = 0 (0xffffffff838dceb0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 sleep_finish+0x1d6 sys/kern/kern_synch.c:355 #4 msleep_nsec+0x132 sys/kern/kern_synch.c:219 #5 reaper+0x13b sys/kern/kern_exit.c:477 #6 proc_trampoline+0x10 Process 97994 (systqmp) thread 0xffff8000ffffe000 (211774) shared rwlock systqmp r = 0 (0xffffffff83848d68) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10246 11079K 11775K 166960K 14334 0 pcb 17 19K 32K 166960K 971 0 rtable 263 14K 14K 166960K 924 0 pf 40 18K 67486K 166960K 325 0 ifaddr 40 7K 8K 166960K 191 0 ifgroup 59 2K 3K 166960K 379 0 sysctl 4 1K 9K 166960K 24 0 counters 70 37K 38K 166960K 366 0 ioctlops 0 0K 4K 166960K 1996 0 iov 0 0K 26K 166960K 147 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1478 93K 93K 166960K 3570 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 620K 620K 166960K 32 0 VM map 2 1K 1K 166960K 2 0 sem 16 36K 36K 166960K 245 0 dirhash 12 2K 2K 166960K 75 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 240K 166960K 2808 0 sigio 0 0K 0K 166960K 100 0 proc 73 115K 180K 166960K 929 0 subproc 72 4K 4K 166960K 118 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 497 0 in_multi 83 6K 7K 166960K 277 0 ether_multi 1 0K 0K 166960K 26 0 mrt 1 0K 0K 166960K 26 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 840 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 240 162K 186K 166960K 27452 0 UVM aobj 53 4K 4K 166960K 59 0 pinsyscall 42 84K 106K 166960K 4140 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 167 0 NDP 13 0K 2K 166960K 146 0 temp 78 8656K 8912K 166960K 134947 0 kqueue 13 20K 32K 166960K 597 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 489 0 486 7 5 2 3 0 8 1 rtentry 176 253 0 153 6 0 6 6 0 8 0 unpcb 144 1954 0 1931 19 17 2 4 0 8 0 syncache 336 22 0 22 7 7 0 1 0 8 0 tcpqe 32 9 0 9 5 5 0 1 0 8 0 tcpcb 736 1105 0 1094 18 15 3 8 0 8 1 arp 136 41 0 23 1 0 1 1 0 8 0 inpcb 328 4017 0 4002 47 40 7 13 0 8 5 nd6 152 52 0 28 2 0 2 2 0 8 0 pkpcb 40 18 0 18 5 5 0 1 0 8 0 kcovpl 48 13 0 5 1 0 1 1 0 8 0 ppxss 1192 106 0 106 3 2 1 1 0 8 1 pppxif 1504 14 0 14 4 3 1 1 0 8 1 pfstscr 40 5 0 5 2 2 0 1 0 8 0 pffrag 232 45 0 37 1 0 1 1 0 482 0 pffrnode 88 23 0 15 1 0 1 1 0 8 0 pffrent 40 93 0 85 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 6 0 6 1 1 0 1 0 8 0 pfanchor 1288 1 0 1 1 1 0 1 0 8 0 pftag 88 3 0 1 2 1 1 1 0 8 0 pfstitem 24 210 0 123 1 0 1 1 0 8 0 pfstkey 128 217 0 130 4 0 4 4 0 8 0 pfstate 384 213 0 127 10 0 10 10 0 8 0 pfrule 1344 29 0 23 2 1 1 2 0 8 0 rttmr 136 6 0 6 4 4 0 1 0 8 0 art_heap8 4096 5 0 0 5 0 5 5 0 8 0 art_heap4 256 1152 0 698 40 11 29 32 0 8 0 art_table 40 1157 0 698 6 0 6 6 0 8 0 art_node 32 247 0 153 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 3 1 1 0 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 236 0 222 1 0 1 1 0 8 0 shmpl 112 56 0 6 2 0 2 2 0 8 0 dirhash 1024 59 0 42 3 0 3 3 0 8 0 dino2pl 256 6895 0 5382 96 1 95 96 0 8 0 ffsino 296 6895 0 5382 118 1 117 118 0 8 0 nchpl 144 10930 0 10368 64 41 23 64 0 8 0 rtmask 32 22 0 22 5 5 0 1 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 39660 0 39660 6 5 1 2 0 8 1 percpumem 16 198 0 148 1 0 1 1 0 8 0 pfiaddrpl 120 2 0 2 1 1 0 1 0 8 0 kstatmem 264 238 0 208 4 1 3 3 0 8 0 scsiplug 72 15 0 15 7 7 0 1 0 8 0 scxspl 216 69733 0 69733 13 12 1 8 1 8 1 plimitpl 152 779 0 762 1 0 1 1 0 8 0 sigapl 424 3137 0 3088 10 3 7 9 0 8 0 knotepl 120 800 0 0 24 0 24 24 0 8 0 kqueuepl 224 1513 0 1504 20 19 1 5 0 8 0 pipepl 344 515 0 488 3 0 3 3 0 8 0 fdescpl 528 3096 0 3065 3 0 3 3 0 8 0 filepl 160 23133 0 22915 39 23 16 18 0 8 4 lockfpl 104 1356 0 1353 4 2 2 2 0 8 1 lockfspl 48 405 0 402 1 0 1 1 0 8 0 sessionpl 144 45 0 36 1 0 1 1 0 8 0 pgrppl 48 163 0 146 1 0 1 1 0 8 0 ucredpl 104 3586 0 3569 1 0 1 1 0 8 0 zombiepl 144 4297 0 4294 1 0 1 1 0 8 0 processpl 1232 3138 0 3088 6 1 5 6 0 8 0 procpl 664 7868 0 7813 10 4 6 8 0 8 0 sosppl 168 22 0 22 7 6 1 1 0 8 1 sockpl 752 6656 0 6615 68 57 11 18 0 8 6 mcl64k 65536 30 0 0 4 0 4 4 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 120 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 104 0 0 9 0 9 9 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 1205 0 0 73 0 73 73 0 8 0 bufpl 280 29056 0 22919 439 0 439 439 0 8 0 anonpl 32 12002 0 0 97 0 97 97 0 246 0 amapchunkpl 152 97065 0 96557 82 51 31 39 0 158 4 amappl16 200 10581 0 10545 58 39 19 24 0 8 7 amappl15 192 6 0 6 3 3 0 1 0 8 0 amappl14 184 11 0 11 2 2 0 1 0 8 0 amappl13 176 526 0 525 1 0 1 1 0 8 0 amappl12 168 3541 0 3500 3 0 3 3 0 8 0 amappl11 160 9 0 9 1 1 0 1 0 8 0 amappl10 152 54 0 40 1 0 1 1 0 8 0 amappl9 144 246 0 245 1 0 1 1 0 8 0 amappl8 136 31 0 28 1 0 1 1 0 8 0 amappl7 128 104 0 103 1 0 1 1 0 8 0 amappl6 120 355 0 341 1 0 1 1 0 8 0 amappl5 112 106 0 94 1 0 1 1 0 8 0 amappl4 104 535 0 503 1 0 1 1 0 8 0 amappl3 96 16932 0 16848 5 1 4 4 0 8 0 amappl2 88 3334 0 3256 3 0 3 3 0 8 0 amappl1 80 25347 0 24759 18 2 16 17 0 8 0 amappl 88 26017 0 25857 5 0 5 5 0 92 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 dma32768 32768 2 0 2 2 2 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 13 0 13 5 5 0 1 0 8 0 dma128 128 258 0 258 6 6 0 1 0 8 0 dma64 64 11 0 11 3 3 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 58 0 6 1 0 1 1 0 8 0 uaddrrnd 24 3095 0 3065 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3095 0 3065 1 0 1 1 0 8 0 vmmpekpl 168 27964 0 27909 3 0 3 3 0 8 0 vmmpepl 168 206209 0 204326 144 34 110 113 0 357 10 vmsppl 488 3094 0 3065 5 0 5 5 0 8 0 rwobjpl 80 61800 0 54886 156 4 152 152 0 8 4 pdppl 4096 6198 0 6130 136 64 72 88 0 8 4 pvpl 32 22603 0 0 182 1 181 181 0 265 0 pmappl 256 3094 0 3065 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 426 0 111 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837c0ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff839b0d20) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839b0d20) at __mp_lock+0x192 sys/kern/kern_lock.c:165 scsi_xs_get(ffff8000001a0100,103) at scsi_xs_get+0x15f scsi_iopool_get sys/scsi/scsi_base.c:260 [inline] scsi_xs_get(ffff8000001a0100,103) at scsi_xs_get+0x15f sys/scsi/scsi_base.c:655 sdactivate(ffff8000001a1000,6) at sdactivate+0x268 sd_flush sys/scsi/sd.c:-1 [inline] sdactivate(ffff8000001a1000,6) at sdactivate+0x268 sys/scsi/sd.c:271 config_suspend(ffff8000001a1000,6) at config_suspend+0x62 sys/kern/subr_autoconf.c:834 scsibusactivate(ffff80000007af00,6) at scsibusactivate+0xab scsi_activate_link sys/scsi/scsiconf.c:410 [inline] scsibusactivate(ffff80000007af00,6) at scsibusactivate+0xab scsi_activate_bus sys/scsi/scsiconf.c:360 [inline] scsibusactivate(ffff80000007af00,6) at scsibusactivate+0xab sys/scsi/scsiconf.c:259 config_activate_children(ffff8000000a4000,6) at config_activate_children+0x1a1 config_suspend sys/kern/subr_autoconf.c:834 [inline] config_activate_children(ffff8000000a4000,6) at config_activate_children+0x1a1 sys/kern/subr_autoconf.c:896 config_activate_children(ffff800000025a00,6) at config_activate_children+0x1c5 config_suspend sys/kern/subr_autoconf.c:-1 [inline] config_activate_children(ffff800000025a00,6) at config_activate_children+0x1c5 sys/kern/subr_autoconf.c:896 config_activate_children(ffff80000002ce00,6) at config_activate_children+0x1c5 config_suspend sys/kern/subr_autoconf.c:-1 [inline] config_activate_children(ffff80000002ce00,6) at config_activate_children+0x1c5 sys/kern/subr_autoconf.c:896 pciactivate(ffff80000002ce00,6) at pciactivate+0xdc sys/dev/pci/pci.c:230 config_activate_children(ffff80000002f080,6) at config_activate_children+0x1a1 config_suspend sys/kern/subr_autoconf.c:834 [inline] config_activate_children(ffff80000002f080,6) at config_activate_children+0x1a1 sys/kern/subr_autoconf.c:896 config_suspend_all(6) at config_suspend_all+0x49a config_suspend sys/kern/subr_autoconf.c:-1 [inline] config_suspend_all(6) at config_suspend_all+0x49a sys/kern/subr_autoconf.c:858 end trace frame: 0xffff80002efd53e0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff837c0ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff839b0d20) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839b0d20) at __mp_lock+0x192 sys/kern/kern_lock.c:165 scsi_xs_get(ffff8000001a0100,103) at scsi_xs_get+0x15f scsi_iopool_get sys/scsi/scsi_base.c:260 [inline] scsi_xs_get(ffff8000001a0100,103) at scsi_xs_get+0x15f sys/scsi/scsi_base.c:655 sdactivate(ffff8000001a1000,6) at sdactivate+0x268 sd_flush sys/scsi/sd.c:-1 [inline] sdactivate(ffff8000001a1000,6) at sdactivate+0x268 sys/scsi/sd.c:271 config_suspend(ffff8000001a1000,6) at config_suspend+0x62 sys/kern/subr_autoconf.c:834 scsibusactivate(ffff80000007af00,6) at scsibusactivate+0xab scsi_activate_link sys/scsi/scsiconf.c:410 [inline] scsibusactivate(ffff80000007af00,6) at scsibusactivate+0xab scsi_activate_bus sys/scsi/scsiconf.c:360 [inline] scsibusactivate(ffff80000007af00,6) at scsibusactivate+0xab sys/scsi/scsiconf.c:259 config_activate_children(ffff8000000a4000,6) at config_activate_children+0x1a1 config_suspend sys/kern/subr_autoconf.c:834 [inline] config_activate_children(ffff8000000a4000,6) at config_activate_children+0x1a1 sys/kern/subr_autoconf.c:896 config_activate_children(ffff800000025a00,6) at config_activate_children+0x1c5 config_suspend sys/kern/subr_autoconf.c:-1 [inline] config_activate_children(ffff800000025a00,6) at config_activate_children+0x1c5 sys/kern/subr_autoconf.c:896 config_activate_children(ffff80000002ce00,6) at config_activate_children+0x1c5 config_suspend sys/kern/subr_autoconf.c:-1 [inline] config_activate_children(ffff80000002ce00,6) at config_activate_children+0x1c5 sys/kern/subr_autoconf.c:896 pciactivate(ffff80000002ce00,6) at pciactivate+0xdc sys/dev/pci/pci.c:230 config_activate_children(ffff80000002f080,6) at config_activate_children+0x1a1 config_suspend sys/kern/subr_autoconf.c:834 [inline] config_activate_children(ffff80000002f080,6) at config_activate_children+0x1a1 sys/kern/subr_autoconf.c:896 config_suspend_all(6) at config_suspend_all+0x49a config_suspend sys/kern/subr_autoconf.c:-1 [inline] config_suspend_all(6) at config_suspend_all+0x49a sys/kern/subr_autoconf.c:858 boot(104) at boot+0x253 sys/arch/amd64/amd64/machdep.c:933 reboot(104) at reboot+0xb1 panic(ffffffff833b8aaf) at panic+0x1f9 kerntrap(ffff80002efd5510) at kerntrap+0x30b alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff800001526000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(21e5f,81,2000,ffff8000fffeea78) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff8000fffeea78) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002efd56c0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805e71e528,81,fffffd80097fb410,ffff8000fffeea78) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805e0a5cd8,ffff8000fffeea78) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805e0a5cd8,ffff8000fffeea78) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805e0a5cd8,ffff8000fffeea78) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805e0a5cd8,ffff8000fffeea78) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffeea78) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffeea78,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffeea78,ffff80002efd5a30,ffff80002efd5980) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002efd5a30) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002efd5a30) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73d28fdff730, count: -31 ddb{0}> machine ddbcpu 1 Stopped at proc_trampoline+0xc7: movl $0,%gs:0x688 proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x73e97fb95640, count: 14 ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x73e97fb95640, count: -1