uvm_fault(0xfffffd8066560b90, 0x0, 0, 1) -> e fatal page fault in supervisor mode trap type 6 code 0 rip ffffffff831def38 cs 8 rflags 10207 cr2 0 cpl 0 rsp ffff8000317fa7e0 gsbase 0xffffffff837d7ff0 kgsbase 0x0 panic: trap type 6, code=0, pc=ffffffff831def38 Starting stack trace... panic(ffffffff833a4594) at panic+0x1d0 sys/kern/subr_prf.c:229 kerntrap(ffff8000317fa730) at kerntrap+0x30b alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff800001725000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(21e5f,81,2000,ffff80002a284018) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff80002a284018) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff8000317fa8e0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8059ee9990,81,fffffd80097fb4e0,ffff80002a284018) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80711bc588,ffff80002a284018) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80711bc588,ffff80002a284018) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd80711bc588,ffff80002a284018) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80711bc588,ffff80002a284018) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a284018) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a284018,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a284018,ffff8000317fac50,ffff8000317faba0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000317fac50) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000317fac50) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x727ef1da0d10, count: 242 End of stack trace. W ARNdIuNmGp: tSPoL NdOeT vL 4OW,E1 nRoEtD OpNos sSiYbSlCeALL 72 4 EXIT 0 a Stopped at savectx+0xae: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND *450435 88989 77 0x100012 0 1 dhcpleased savectx() at savectx+0xae end of kernel end trace frame: 0x74ddcef683f0, 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(0xfffffd8066560b90, 0x0, 0, 1) -> e ddb{1}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x74ddcef683f0, count: -1 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002a2920d0 rbx 0 rdx 0 rcx 0xffff80002a273c98 rax 0x32 r8 0xffff80002a292000 r9 0x1 r10 0xe8b029748901cfe8 r11 0xf1c81ed344028210 r12 0 r13 0 r14 0xffff80002a273c98 r15 0 rip 0xffffffff82ec33ee savectx+0xae cs 0x8 rflags 0x46 rsp 0xffff80002a292050 ss 0x10 savectx+0xae: movl $0,%gs:0x688 ddb{1}> show proc PROC (dhcpleased) tid=450435 pid=88989 tcnt=1 stat=onproc flags process=100012 proc=0 runpri=24, usrpri=50, slppri=24, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a273768,0xffff80002a273248 process=0xffff80002a276690 user=0xffff80002a28d000, vmspace=0xfffffd806efc13d8 estcpu=0, cpticks=4, pctcpu=0.0, user=0, sys=3, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 94410 243687 57293 0 2 0 syz-executor 94410 254374 57293 0 3 0x4000080 sbwait syz-executor 94410 440461 57293 0 2 0x4000000 syz-executor 69676 433606 70188 0 2 0 syz-executor 69676 374 70188 0 3 0x4000080 fsleep syz-executor 47888 144092 81579 0 2 0xc80 syz-executor 47888 390042 81579 0 2 0x4000c80 syz-executor 47888 447403 81579 0 3 0x4000080 fsleep syz-executor 46149 282015 85735 0 2 0xc82 syz-executor 79301 361180 85735 0 2 0xc82 syz-executor 33737 114328 85735 0 2 0xc82 syz-executor 34939 370215 0 0 3 0x14200 acct acct 71034 282339 85735 0 2 0xc82 syz-executor 25180 258424 85735 0 2 0xc82 syz-executor 70188 61466 85735 0 2 0xc82 syz-executor 81579 210196 85735 0 2 0xc82 syz-executor 57293 496899 85735 0 2 0xc82 syz-executor 67014 39086 1 0 2 0x100083 getty 78633 225199 0 0 3 0x14200 bored sosplice 85735 368399 53357 0 3 0x82 kqread syz-executor 53357 123645 15178 0 3 0x10008a sigsusp ksh 15178 14514 5183 0 3 0x98 kqread sshd-session 5183 491867 21405 0 3 0x92 kqread sshd-session 21405 185814 1 0 3 0x88 kqread sshd 96177 290762 29043 74 3 0x1100092 bpf pflogd 29043 86718 1 0 3 0x80 sbwait pflogd 56468 502851 99001 73 3 0x1100090 kqread syslogd 99001 234296 1 0 3 0x100082 sbwait syslogd 29656 460276 1 0 3 0x100080 kqread resolvd 30986 189407 78598 77 3 0x100092 kqread dhcpleased *88989 450435 78598 77 7 0x100012 dhcpleased 78598 255772 1 0 3 0x80 kqread dhcpleased 93948 216036 0 0 3 0x14200 bored smr 23126 211239 0 0 2 0x14200 zerothread 24716 294028 0 0 3 0x14200 aiodoned aiodoned 77956 241389 0 0 3 0x14200 syncer update 20081 505354 0 0 3 0x14200 cleaner cleaner 93865 337319 0 0 2 0x14200 reaper 84669 26737 0 0 3 0x14200 pgdaemon pagedaemon 74378 326789 0 0 3 0x14200 bored viomb 12938 503437 0 0 3 0x40014200 acpi0 acpi0 50909 1884 0 0 3 0x40014200 idle1 72919 499340 0 0 3 0x14200 bored softnet1 19987 76764 0 0 3 0x14200 tqbarend softnet0 16378 312735 0 0 3 0x14200 bored systqmp 45733 488395 0 0 3 0x14200 bored systq 73140 459418 0 0 2 0x14200 softclockmp 83196 79061 0 0 3 0x40014200 tmoslp softclock 77555 454056 0 0 3 0x40014200 idle0 1 458627 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff838c5ad0) #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 uvm_pmr_freepages+0x1a8 sys/uvm/uvm_pmemrange.c:-1 #4 uvm_anfree_list+0x1e5 sys/uvm/uvm_anon.c:129 #5 amap_wipeout+0x248 sys/uvm/uvm_amap.c:-1 #6 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #7 uvm_map_teardown+0x360 sys/uvm/uvm_map.c:2525 #8 exit1+0x6fc sys/kern/kern_exit.c:260 #9 sys_exit+0x1a sys/kern/kern_exit.c:-1 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #11 Xsyscall+0x128 Process 19987 (softnet0) thread 0xffff8000ffffe7c8 (76764) ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10263 11244K 12494K 166960K 17296 0 pcb 19 18K 19K 166960K 815 0 rtable 262 14K 14K 166960K 1111 0 pf 39 18K 67484K 166960K 387 0 ifaddr 44 9K 9K 166960K 252 0 ifgroup 58 2K 3K 166960K 449 0 sysctl 4 1K 9K 166960K 103 0 counters 68 36K 37K 166960K 450 0 ioctlops 0 0K 8K 166960K 2303 0 iov 1 16K 32K 166960K 445 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1479 93K 93K 166960K 4868 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 48 0 VM map 2 1K 1K 166960K 2 0 sem 18 20K 20K 166960K 229 0 dirhash 12 2K 2K 166960K 72 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 3789 0 sigio 0 0K 0K 166960K 89 0 proc 73 131K 164K 166960K 1314 0 subproc 72 4K 4K 166960K 208 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 345 0 in_multi 96 7K 7K 166960K 394 0 ether_multi 1 0K 0K 166960K 55 0 mrt 1 0K 0K 166960K 39 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 259 1155K 1155K 166960K 259 0 exec 0 0K 1K 166960K 1211 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 7 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 245 158K 171K 166960K 34676 0 UVM aobj 101 3K 3K 166960K 104 0 pinsyscall 42 84K 100K 166960K 5288 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 244 0 NDP 12 0K 2K 166960K 190 0 temp 85 8656K 8912K 166960K 184895 0 kqueue 15 22K 33K 166960K 683 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 120 568 0 565 6 3 3 3 0 8 2 rtentry 176 373 0 272 6 1 5 5 0 8 0 unpcb 144 2732 0 2711 22 18 4 6 0 8 3 syncache 336 12 0 12 6 6 0 1 0 8 0 tcpqe 32 6 0 6 3 3 0 1 0 8 0 tcpcb 736 1320 0 1311 14 7 7 7 0 8 5 arp 136 42 0 27 1 0 1 1 0 8 0 ipq 40 1 0 1 1 0 1 1 0 8 1 ipqe 40 3 0 3 1 0 1 1 0 8 1 inpcb 328 3728 0 3711 34 26 8 12 0 8 5 nd6 152 65 0 44 1 0 1 1 0 8 0 pkpcb 40 33 0 33 6 5 1 1 0 8 1 kcovpl 48 23 0 15 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 143 0 143 2 1 1 1 0 8 1 pppxif 1504 10 0 10 3 3 0 1 0 8 0 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 21 0 15 2 1 1 1 0 482 0 pffrnode 88 19 0 14 2 1 1 1 0 8 0 pffrent 40 36 0 30 2 1 1 1 0 8 0 pfosfp 40 1432 0 1006 5 0 5 5 0 8 0 pfosfpen 112 1432 0 715 21 0 21 21 0 8 0 pfrktable 1344 1 0 1 1 1 0 1 0 8 0 pfanchor 1288 3 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfqueue 320 1 0 1 1 1 0 1 0 8 0 pfstitem 24 209 0 111 1 0 1 1 0 8 0 pfstkey 128 211 0 114 4 0 4 4 0 8 0 pfstate 384 207 0 112 10 0 10 10 0 8 0 pfrule 1344 35 0 29 2 1 1 2 0 8 0 rttmr 136 8 0 8 6 5 1 1 0 8 1 art_heap8 4096 5 0 0 5 0 5 5 0 8 0 art_heap4 256 1572 0 1135 47 17 30 30 0 8 2 art_table 40 1577 0 1135 5 0 5 5 0 8 0 art_node 32 331 0 246 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 1 0 1 0 8 0 semupl 112 3 0 3 3 3 0 1 0 8 0 semapl 112 217 0 201 1 0 1 1 0 8 0 shmpl 112 101 0 3 3 0 3 3 0 8 0 dirhash 1024 57 0 40 3 0 3 3 0 8 0 dino2pl 256 8430 0 6892 98 1 97 97 0 8 0 ffsino 296 8430 0 6892 119 0 119 119 0 8 0 nchpl 144 13386 0 11652 65 0 65 65 0 8 0 rtmask 32 26 0 26 9 8 1 1 0 8 1 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 49504 0 49504 3 2 1 2 0 8 1 percpumem 16 240 0 191 1 0 1 1 0 8 0 kstatmem 264 288 0 261 3 1 2 3 0 8 0 scsiplug 72 19 0 19 6 5 1 1 0 8 1 scxspl 216 105003 0 105003 21 19 2 8 1 8 2 plimitpl 152 915 0 897 1 0 1 1 0 8 0 sigapl 424 4111 0 4061 12 4 8 10 0 8 2 knotepl 120 908 0 0 25 0 25 25 0 8 0 kqueuepl 224 1461 0 1448 18 16 2 5 0 8 1 pipepl 344 605 0 577 12 3 9 9 0 8 6 fdescpl 528 4026 0 3995 3 0 3 3 0 8 0 filepl 160 28240 0 28005 41 26 15 19 0 8 2 lockfpl 104 2323 0 2321 3 2 1 2 0 8 0 lockfspl 48 884 0 882 1 0 1 1 0 8 0 sessionpl 144 46 0 37 1 0 1 1 0 8 0 pgrppl 48 177 0 160 1 0 1 1 0 8 0 ucredpl 104 5217 0 5202 1 0 1 1 0 8 0 zombiepl 144 4066 0 4061 1 0 1 1 0 8 0 processpl 1232 4111 0 4061 8 2 6 7 0 8 0 procpl 664 9775 0 9720 13 5 8 9 0 8 1 sosppl 168 23 0 23 6 5 1 1 0 8 1 sockpl 752 7162 0 7121 66 54 12 18 0 8 6 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 117 0 0 14 0 14 14 0 8 0 mcl2k 2048 108 0 0 10 0 10 10 0 8 0 mtagpl 96 13 0 0 1 0 1 1 0 8 0 mbufpl 256 1490 0 0 90 0 90 90 0 8 0 bufpl 280 43831 0 37688 440 0 440 440 0 8 0 anonpl 32 18106 0 0 147 1 146 146 0 246 0 amapchunkpl 152 121354 0 120743 75 40 35 39 0 158 6 amappl16 200 14576 0 14289 138 97 41 41 0 8 11 amappl15 192 4 0 3 1 0 1 1 0 8 0 amappl14 184 163 0 151 1 0 1 1 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 4918 0 4887 3 1 2 2 0 8 0 amappl11 160 57 0 42 1 0 1 1 0 8 0 amappl10 152 20 0 20 1 1 0 1 0 8 0 amappl9 144 254 0 254 2 2 0 1 0 8 0 amappl8 136 19 0 16 1 0 1 1 0 8 0 amappl7 128 150 0 136 1 0 1 1 0 8 0 amappl6 120 340 0 336 1 0 1 1 0 8 0 amappl5 112 184 0 173 1 0 1 1 0 8 0 amappl4 104 352 0 331 1 0 1 1 0 8 0 amappl3 96 21456 0 21361 4 0 4 4 0 8 0 amappl2 88 4346 0 4264 2 0 2 2 0 8 0 amappl1 80 25963 0 25364 17 2 15 15 0 8 1 amappl 88 33084 0 32914 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 1 0 1 0 8 0 dma1024 1024 3 0 2 1 0 1 1 0 8 0 dma256 256 9 0 9 4 3 1 1 0 8 1 dma128 128 256 0 256 4 4 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 23 0 22 1 0 1 1 0 8 0 aobjpl 72 103 0 3 2 0 2 2 0 8 0 uaddrrnd 24 4026 0 3995 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4026 0 3995 1 0 1 1 0 8 0 vmmpekpl 168 28993 0 28932 3 0 3 3 0 8 0 vmmpepl 168 257098 0 254820 166 42 124 124 0 357 0 vmsppl 488 4025 0 3994 5 0 5 5 0 8 0 rwobjpl 80 70696 0 63460 168 10 158 158 0 8 2 pdppl 4096 8060 0 7988 124 50 74 84 0 8 2 pvpl 32 26799 0 0 216 1 215 215 0 265 0 pmappl 256 4025 0 3994 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 429 0 90 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837d7ff0) 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(ffffffff83988bd0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83988bd0) 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(ffff80000019f400,6) at sdactivate+0x268 sd_flush sys/scsi/sd.c:-1 [inline] sdactivate(ffff80000019f400,6) at sdactivate+0x268 sys/scsi/sd.c:271 config_suspend(ffff80000019f400,6) at config_suspend+0x62 sys/kern/subr_autoconf.c:834 scsibusactivate(ffff800000079f00,6) at scsibusactivate+0xab scsi_activate_link sys/scsi/scsiconf.c:410 [inline] scsibusactivate(ffff800000079f00,6) at scsibusactivate+0xab scsi_activate_bus sys/scsi/scsiconf.c:360 [inline] scsibusactivate(ffff800000079f00,6) at scsibusactivate+0xab sys/scsi/scsiconf.c:259 config_activate_children(ffff8000000a3400,6) at config_activate_children+0x1a1 config_suspend sys/kern/subr_autoconf.c:834 [inline] config_activate_children(ffff8000000a3400,6) 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: 0xffff8000317fa600, count: 0 ddb{0}> trace x86_ipi_db(ffffffff837d7ff0) 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(ffffffff83988bd0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83988bd0) 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(ffff80000019f400,6) at sdactivate+0x268 sd_flush sys/scsi/sd.c:-1 [inline] sdactivate(ffff80000019f400,6) at sdactivate+0x268 sys/scsi/sd.c:271 config_suspend(ffff80000019f400,6) at config_suspend+0x62 sys/kern/subr_autoconf.c:834 scsibusactivate(ffff800000079f00,6) at scsibusactivate+0xab scsi_activate_link sys/scsi/scsiconf.c:410 [inline] scsibusactivate(ffff800000079f00,6) at scsibusactivate+0xab scsi_activate_bus sys/scsi/scsiconf.c:360 [inline] scsibusactivate(ffff800000079f00,6) at scsibusactivate+0xab sys/scsi/scsiconf.c:259 config_activate_children(ffff8000000a3400,6) at config_activate_children+0x1a1 config_suspend sys/kern/subr_autoconf.c:834 [inline] config_activate_children(ffff8000000a3400,6) 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(ffffffff833a4594) at panic+0x1f9 kerntrap(ffff8000317fa730) at kerntrap+0x30b alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff800001725000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(21e5f,81,2000,ffff80002a284018) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff80002a284018) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff8000317fa8e0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8059ee9990,81,fffffd80097fb4e0,ffff80002a284018) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80711bc588,ffff80002a284018) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80711bc588,ffff80002a284018) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd80711bc588,ffff80002a284018) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80711bc588,ffff80002a284018) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a284018) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a284018,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a284018,ffff8000317fac50,ffff8000317faba0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000317fac50) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000317fac50) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x727ef1da0d10, count: -31 ddb{0}> machine ddbcpu 1 Stopped at savectx+0xae: movl $0,%gs:0x688 savectx() at savectx+0xae end of kernel end trace frame: 0x74ddcef683f0, count: 14 ddb{1}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x74ddcef683f0, count: -1