uvm_fault(0xfffffd800b0fb1f8, 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 *295351 39672 0 0 0x4000000 0K syz-executor dt_ioctl_record_stop(ffff80000148d000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff800031ffb228) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff800031ffb228) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003b41fc20) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805c147450,81,fffffd80097fb3a8,ffff800031ffb228) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b9c40d8,ffff800031ffb228) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b9c40d8,ffff800031ffb228) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b9c40d8,ffff800031ffb228) at fdrop+0x121 sys/kern/kern_descrip.c:1267 closef(fffffd806b9c40d8,ffff800031ffb228) at closef+0x192 sys/kern/kern_descrip.c:1251 syscall(ffff80003b41fe80) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b41fe80) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd65b41cf930, count: 6 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xfffffd800b0fb1f8, 0x0, 0, 1) -> e ddb{0}> trace dt_ioctl_record_stop(ffff80000148d000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff800031ffb228) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff800031ffb228) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003b41fc20) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805c147450,81,fffffd80097fb3a8,ffff800031ffb228) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b9c40d8,ffff800031ffb228) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b9c40d8,ffff800031ffb228) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b9c40d8,ffff800031ffb228) at fdrop+0x121 sys/kern/kern_descrip.c:1267 closef(fffffd806b9c40d8,ffff800031ffb228) at closef+0x192 sys/kern/kern_descrip.c:1251 syscall(ffff80003b41fe80) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b41fe80) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd65b41cf930, count: -9 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003b41fb50 rbx 0x1 rdx 0 rcx 0xffff800031ffb228 rax 0xffffffff8377f4c8 dt_prov_syscall r8 0xffffffff8108f3d0 uvm_map_inentry_sp r9 0x1 r10 0 r11 0x606077f796d0e136 r12 0 r13 0 r14 0 r15 0xffff8000015b9d00 rip 0xffffffff823896a8 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80003b41fb20 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{0}> show proc PROC (syz-executor) tid=295351 pid=39672 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800031ffa7e8,0xffff800031ffaa88 process=0xffff80002a2c30d8 user=0xffff80003b41a000, vmspace=0xfffffd800b0fb1f8 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 39672 341024 68945 0 2 0 syz-executor *39672 295351 68945 0 7 0x4000000 syz-executor 39672 18311 68945 0 3 0x4000080 fsleep syz-executor 39672 248608 68945 0 3 0x4000080 fsleep syz-executor 50373 267133 98699 0 3 0x80 fsleep syz-executor 50373 48995 98699 0 3 0x4000080 fsleep syz-executor 50373 437340 98699 0 3 0x4000080 fsleep syz-executor 50373 510812 98699 0 3 0x4000080 lockf syz-executor 35405 52288 1624 0 3 0x80 fsleep syz-executor 35405 35388 1624 0 2 0x4000000 syz-executor 39688 387246 81658 0 3 0x80 fsleep syz-executor 39688 209028 81658 0 3 0x4000080 pipewr syz-executor 1928 498170 61236 0 3 0x80 fsleep syz-executor 1928 468987 61236 0 3 0x4000080 sbwait syz-executor 82279 180106 34469 0 3 0x80 fsleep syz-executor 82279 360182 34469 0 3 0x4000080 ttyopn syz-executor 20309 498755 91096 0 3 0x80 fsleep syz-executor 20309 216785 91096 0 3 0x4000080 pipewr syz-executor 44229 123292 69856 0 3 0x80 fsleep syz-executor 44229 257468 69856 0 3 0x4000080 fifor syz-executor 34469 316884 94794 0 3 0x82 nanoslp syz-executor 31585 324832 1 0 3 0x100083 ttyin getty 91293 198332 0 0 3 0x14280 nfsidl nfsio 72572 303762 0 0 3 0x14280 nfsidl nfsio 72816 72568 0 0 3 0x14280 nfsidl nfsio 73518 276048 0 0 3 0x14280 nfsidl nfsio 60457 220497 0 0 3 0x14280 nfsidl nfsio 76284 71376 0 0 3 0x14280 nfsidl nfsio 9987 75462 0 0 3 0x14280 nfsidl nfsio 19604 354794 0 0 3 0x14280 nfsidl nfsio 19162 193021 0 0 3 0x14280 nfsidl nfsio 50010 42994 0 0 3 0x14280 nfsidl nfsio 86417 227977 0 0 3 0x14280 nfsidl nfsio 78808 136690 0 0 3 0x14280 nfsidl nfsio 59110 393097 0 0 3 0x14280 nfsidl nfsio 33288 261209 0 0 3 0x14280 nfsidl nfsio 67152 265999 0 0 3 0x14280 nfsidl nfsio 88505 430199 0 0 3 0x14280 nfsidl nfsio 54026 168923 0 0 3 0x14280 nfsidl nfsio 10557 143473 0 0 3 0x14280 nfsidl nfsio 47716 342090 0 0 3 0x14280 nfsidl nfsio 76028 136344 0 0 3 0x14280 nfsidl nfsio 68945 390322 94794 0 3 0x82 nanoslp syz-executor 61236 29407 94794 0 3 0x82 nanoslp syz-executor 91096 385014 94794 0 3 0x82 nanoslp syz-executor 13527 255190 0 0 3 0x14200 bored sosplice 1624 105957 94794 0 3 0x82 nanoslp syz-executor 69856 145297 94794 0 3 0x82 nanoslp syz-executor 81658 256327 94794 0 3 0x82 nanoslp syz-executor 98699 95242 94794 0 3 0x82 nanoslp syz-executor 94794 209503 5470 0 3 0x82 kqread syz-executor 5470 240140 13701 0 3 0x10008a sigsusp ksh 13701 112680 59866 0 3 0x98 kqread sshd-session 59866 172669 9669 0 3 0x92 kqread sshd-session 9669 9537 1 0 3 0x88 kqread sshd 93215 402617 73858 74 3 0x1100092 bpf pflogd 73858 393582 1 0 3 0x80 sbwait pflogd 58176 466409 38403 73 3 0x1100090 kqread syslogd 38403 86099 1 0 3 0x100082 sbwait syslogd 83255 2575 1 0 3 0x100080 kqread resolvd 75667 91111 60189 77 3 0x100092 kqread dhcpleased 3813 175291 60189 77 3 0x100092 kqread dhcpleased 60189 52212 1 0 3 0x80 kqread dhcpleased 13713 298478 0 0 3 0x14200 bored smr 90955 293285 0 0 3 0x14200 pgzero zerothread 30298 198185 0 0 3 0x14200 aiodoned aiodoned 23125 457774 0 0 3 0x14200 syncer update 81671 24145 0 0 3 0x14200 cleaner cleaner 89788 340509 0 0 3 0x14200 reaper reaper 65580 257535 0 0 3 0x14200 pgdaemon pagedaemon 48858 364396 0 0 3 0x14200 bored viomb 48295 113828 0 0 3 0x40014200 acpi0 acpi0 17465 234126 0 0 7 0x40014200 idle1 1281 491301 0 0 3 0x14200 bored softnet7 83835 110020 0 0 3 0x14200 bored softnet6 64568 333877 0 0 3 0x14200 bored softnet5 32907 403972 0 0 3 0x14200 bored softnet4 80292 271509 0 0 3 0x14200 bored softnet3 31692 513114 0 0 3 0x14200 bored softnet2 87577 19732 0 0 3 0x14200 bored softnet1 44407 228292 0 0 3 0x14200 bored softnet0 12087 224838 0 0 3 0x14200 bored systqmp 15413 485295 0 0 3 0x14200 bored systq 10802 488347 0 0 3 0x14200 tmoslp softclockmp 2664 231489 0 0 3 0x40014200 tmoslp softclock 82914 1266 0 0 3 0x40014200 idle0 1 309631 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 39672 (syz-executor) thread 0xffff800031ffb228 (295351) Process 35405 (syz-executor) thread 0xffff80002a322a80 (35388) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10270 11100K 11328K 166960K 13932 0 pcb 18 15K 17K 166960K 702 0 rtable 233 11K 12K 166960K 1028 0 pf 41 18K 22K 166960K 254 0 ifaddr 36 6K 9K 166960K 182 0 ifgroup 61 2K 2K 166960K 278 0 sysctl 4 1K 9K 166960K 29 0 counters 74 37K 37K 166960K 494 0 ioctlops 0 0K 4K 166960K 1881 0 iov 0 0K 32K 166960K 126 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1423 89K 90K 166960K 3528 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 145 0 dirhash 12 2K 2K 166960K 54 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 89K 166960K 2746 0 sigio 0 0K 0K 166960K 40 0 proc 72 115K 164K 166960K 904 0 subproc 72 4K 4K 166960K 126 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 649 0 in_multi 51 4K 7K 166960K 298 0 ether_multi 1 0K 0K 166960K 23 0 mrt 1 0K 0K 166960K 12 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 764 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 5 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 255 154K 170K 166960K 25621 0 UVM aobj 41 4K 4K 166960K 42 0 pinsyscall 43 86K 104K 166960K 3997 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 140 0 NDP 14 0K 2K 166960K 119 0 temp 79 8648K 8776K 166960K 194959 0 kqueue 15 24K 30K 166960K 573 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 120 310 0 306 1 0 1 1 0 8 0 rtentry 176 341 0 253 6 0 6 6 0 8 0 unpcb 144 1556 0 1535 14 12 2 6 0 8 1 syncache 336 7 0 7 3 3 0 1 0 8 0 tcpcb 736 927 0 923 16 15 1 7 0 8 0 arp 128 68 0 31 2 0 2 2 0 8 0 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 3 0 3 1 1 0 1 0 8 0 inpcb 328 2907 0 2896 24 20 4 7 0 8 2 nd6 144 39 0 30 1 0 1 1 0 8 0 pkpcb 40 68 0 68 3 2 1 1 0 8 1 kcovpl 48 14 0 6 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 189 0 187 3 2 1 1 0 8 0 pppxif 1504 9 0 9 3 3 0 1 0 8 0 pfstscr 40 7 0 6 1 0 1 1 0 8 0 pffrag 232 12 0 7 1 0 1 1 0 482 0 pffrnode 88 12 0 7 1 0 1 1 0 8 0 pffrent 40 20 0 15 1 0 1 1 0 8 0 pfosfp 40 1432 0 1006 5 0 5 5 0 8 0 pfosfpen 112 1432 0 714 21 0 21 21 0 8 0 pfrktable 1344 1 0 1 1 1 0 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 24 152 0 91 1 0 1 1 0 8 0 pfstkey 128 164 0 103 3 0 3 3 0 8 0 pfstate 384 157 0 97 8 0 8 8 0 8 0 pfrule 1344 34 0 28 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 1226 0 972 31 12 19 30 0 8 0 art_table 40 1230 0 972 5 0 5 5 0 8 0 art_node 32 339 0 288 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 10 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 139 0 129 1 0 1 1 0 8 0 shmpl 112 39 0 1 2 0 2 2 0 8 0 dirhash 1024 45 0 28 3 0 3 3 0 8 0 dino2pl 256 6509 0 4991 96 0 96 96 0 8 0 ffsino 296 6509 0 4991 118 0 118 118 0 8 0 nchpl 144 10299 0 9740 64 39 25 64 0 8 0 rtmask 32 16 0 15 5 4 1 1 0 8 0 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 34797 0 34797 6 5 1 2 0 8 1 percpumem 16 262 0 210 1 0 1 1 0 8 0 kstatmem 264 184 0 152 7 4 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 13 0 13 5 4 1 1 0 8 1 scxspl 216 89591 0 89591 14 13 1 7 1 8 1 plimitpl 152 534 0 516 1 0 1 1 0 8 0 sigapl 424 3065 0 2990 9 0 9 9 0 8 0 knotepl 120 669 0 0 19 0 19 19 0 8 0 kqueuepl 224 981 0 968 11 10 1 5 0 8 0 pipepl 344 367 0 338 4 1 3 4 0 8 0 fdescpl 528 3018 0 2986 3 0 3 3 0 8 0 filepl 160 17671 0 17438 23 10 13 17 0 8 0 lockfpl 104 1004 0 999 1 0 1 1 0 8 0 lockfspl 48 428 0 424 1 0 1 1 0 8 0 sessionpl 144 32 0 23 1 0 1 1 0 8 0 pgrppl 48 112 0 95 1 0 1 1 0 8 0 ucredpl 104 3274 0 3261 1 0 1 1 0 8 0 zombiepl 144 3767 0 3767 1 0 1 1 0 8 1 processpl 1248 3065 0 2990 6 0 6 6 0 8 0 procpl 656 6861 0 6774 9 0 9 9 0 8 0 sosppl 168 19 0 19 6 6 0 1 0 8 0 sockpl 752 4909 0 4873 33 26 7 17 0 8 3 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 20 0 0 3 0 3 3 0 8 0 mcl12k 12288 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 8 0 0 1 0 1 1 0 8 0 mcl4k 4096 106 0 0 14 0 14 14 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 54 0 0 7 1 6 6 0 8 0 mtagpl 96 108 0 0 3 0 3 3 0 8 0 mbufpl 256 385 0 0 20 0 20 20 0 8 0 bufpl 280 38408 0 32264 440 0 440 440 0 8 0 anonpl 32 15446 0 0 125 0 125 125 0 246 0 amapchunkpl 152 88521 0 87925 44 17 27 32 0 158 1 amappl16 200 13893 0 13745 101 81 20 32 0 8 8 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 131 0 119 1 0 1 1 0 8 0 amappl13 176 3 0 3 1 1 0 1 0 8 0 amappl12 168 3757 0 3724 4 1 3 3 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 7 0 7 1 1 0 1 0 8 0 amappl9 144 249 0 249 1 1 0 1 0 8 0 amappl8 136 26 0 23 1 0 1 1 0 8 0 amappl7 128 128 0 115 1 0 1 1 0 8 0 amappl6 120 251 0 247 1 0 1 1 0 8 0 amappl5 112 153 0 143 1 0 1 1 0 8 0 amappl4 104 320 0 301 1 0 1 1 0 8 0 amappl3 96 18469 0 18347 5 1 4 4 0 8 0 amappl2 88 763 0 700 2 0 2 2 0 8 0 amappl1 80 19731 0 19121 15 0 15 15 0 8 0 amappl 88 24341 0 24161 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 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 9 0 9 4 3 1 1 0 8 1 dma128 128 259 0 259 5 4 1 1 0 8 1 dma64 64 6 0 6 1 1 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 41 0 1 1 0 1 1 0 8 0 uaddrrnd 24 3018 0 2986 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3018 0 2986 1 0 1 1 0 8 0 vmmpekpl 168 21927 0 21873 3 0 3 3 0 8 0 vmmpepl 168 194559 0 192358 133 25 108 115 0 357 1 vmsppl 488 3017 0 2986 5 0 5 5 0 8 0 rwobjpl 80 57514 0 50466 160 10 150 153 0 8 2 pdppl 4096 6044 0 5972 112 40 72 84 0 8 0 pvpl 32 26548 0 0 215 1 214 214 0 265 0 pmappl 256 3017 0 2986 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 330 0 82 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace dt_ioctl_record_stop(ffff80000148d000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff800031ffb228) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff800031ffb228) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003b41fc20) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805c147450,81,fffffd80097fb3a8,ffff800031ffb228) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b9c40d8,ffff800031ffb228) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b9c40d8,ffff800031ffb228) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b9c40d8,ffff800031ffb228) at fdrop+0x121 sys/kern/kern_descrip.c:1267 closef(fffffd806b9c40d8,ffff800031ffb228) at closef+0x192 sys/kern/kern_descrip.c:1251 syscall(ffff80003b41fe80) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b41fe80) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd65b41cf930, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299edff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299edff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5