panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0x6f362016000, opte 0xfffffffffffffffd Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343e93a) at panic+0x1e5 sys/kern/subr_prf.c:198 pmap_remove_pte(fffffd80726c6400,fffffd80088e4d00,7f8379b10000,6f362000000,6f362200000,0) at pmap_remove_pte pmap_do_remove(fffffd80726c6400,6f361e9d000,6f36229c000,0) at pmap_do_remove+0x589 sys/arch/amd64/amd64/pmap.c:1920 uvm_unmap_kill_entry_withlock(fffffd806caf29a0,fffffd806caf3888,0) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863 uvm_map_teardown(fffffd806caf29a0) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd806caf29a0) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486 exit1(ffff8000fffde2d0,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff8000fffde2d0,ffff80003c443c90,ffff80003c443be0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c443c90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c443c90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x718d69f06c90, count: 5 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: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0x6f362016000, opte 0xfffffffffffffffd ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343e93a) at panic+0x1e5 sys/kern/subr_prf.c:198 pmap_remove_pte(fffffd80726c6400,fffffd80088e4d00,7f8379b10000,6f362000000,6f362200000,0) at pmap_remove_pte pmap_do_remove(fffffd80726c6400,6f361e9d000,6f36229c000,0) at pmap_do_remove+0x589 sys/arch/amd64/amd64/pmap.c:1920 uvm_unmap_kill_entry_withlock(fffffd806caf29a0,fffffd806caf3888,0) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863 uvm_map_teardown(fffffd806caf29a0) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd806caf29a0) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486 exit1(ffff8000fffde2d0,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff8000fffde2d0,ffff80003c443c90,ffff80003c443be0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c443c90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c443c90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x718d69f06c90, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c443840 rbx 0xffffffff837d6e07 cpu_info_full_primary+0x2e07 rdx 0 rcx 0xffff8000fffde2d0 rax 0xffffffff837d5ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x9b94804c4a78c4a3 r11 0xfc12df2bb7c38b0 r12 0xffffffff837d6c08 cpu_info_full_primary+0x2c08 r13 0 r14 0 r15 0x1 rip 0xffffffff831264f5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c443830 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=506267 pid=56487 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000fffde2d0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a2847e0,0xffff80002a2842c0 process=0xffff8000fffd8038 user=0xffff80003c43e000, vmspace=0xfffffd806caf29a0 estcpu=34, cpticks=2, pctcpu=0.1, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 62694 160495 14784 0 2 0 syz-executor 62694 338208 14784 0 2 0x4000000 syz-executor 1271 308617 52671 0 2 0 syz-executor 1271 176858 52671 0 2 0x4000000 syz-executor 26412 344161 4149 0 2 0 syz-executor 26412 135709 4149 0 3 0x4000080 fsleep syz-executor 50215 67737 9011 0 2 0 syz-executor 50215 97800 9011 0 2 0x4000000 syz-executor 69281 351660 86069 0 2 0 syz-executor 69281 442189 86069 0 3 0x4000080 fsleep syz-executor 69281 357131 86069 0 3 0x4000080 fsleep syz-executor 60716 456351 15172 0 2 0x400010 syz-executor 60716 434996 15172 0 3 0x4400090 pipewr syz-executor 60716 73431 15172 0 3 0x4400090 fsleep syz-executor 60716 234464 15172 0 3 0x4400090 fsleep syz-executor 2970 50015 0 0 3 0x14280 nfsidl nfsio 89729 232654 0 0 3 0x14280 nfsidl nfsio 80359 502462 0 0 3 0x14280 nfsidl nfsio 4967 517532 0 0 3 0x14280 nfsidl nfsio 37666 504632 0 0 3 0x14280 nfsidl nfsio 15759 50156 0 0 3 0x14280 nfsidl nfsio 83554 354358 0 0 3 0x14280 nfsidl nfsio 74179 414788 0 0 3 0x14280 nfsidl nfsio 98292 495556 0 0 3 0x14280 nfsidl nfsio 34139 50128 0 0 3 0x14280 nfsidl nfsio 14214 95222 0 0 3 0x14280 nfsidl nfsio 86556 311898 0 0 3 0x14280 nfsidl nfsio 91887 260639 0 0 3 0x14280 nfsidl nfsio 92990 266353 0 0 3 0x14280 nfsidl nfsio 30610 94434 0 0 3 0x14280 nfsidl nfsio 8367 186685 0 0 3 0x14280 nfsidl nfsio 80478 521670 0 0 3 0x14280 nfsidl nfsio 78724 195640 0 0 3 0x14280 nfsidl nfsio 36660 474629 0 0 3 0x14280 nfsidl nfsio 64540 313299 0 0 3 0x14280 nfsidl nfsio 4149 82736 11547 0 3 0x82 nanoslp syz-executor 14784 99990 11547 0 3 0x82 nanoslp syz-executor 60395 270151 1 0 3 0x100083 ttyopn getty 93355 389463 11547 0 3 0x82 wait syz-executor 15172 243154 11547 0 3 0x82 nanoslp syz-executor 52671 348419 11547 0 3 0x82 nanoslp syz-executor 9011 409406 11547 0 3 0x82 nanoslp syz-executor 86069 215886 11547 0 3 0x82 nanoslp syz-executor 93542 179449 11547 0 3 0x82 nanoslp syz-executor 11547 283065 90256 0 3 0x82 kqread syz-executor 90256 494055 94478 0 3 0x10008a sigsusp ksh 94478 66 90714 0 3 0x98 kqread sshd-session 90714 438338 55343 0 3 0x92 kqread sshd-session 55343 9692 1 0 3 0x88 kqread sshd 59880 323178 84092 74 3 0x1100092 bpf pflogd 84092 398217 1 0 3 0x80 sbwait pflogd 82268 440694 26279 73 3 0x1100090 kqread syslogd 26279 486210 1 0 3 0x100082 sbwait syslogd 84579 266164 1 0 3 0x100080 kqread resolvd 55230 291702 51233 77 3 0x100092 kqread dhcpleased 65308 498074 51233 77 3 0x100092 kqread dhcpleased 51233 305078 1 0 3 0x80 kqread dhcpleased 1650 326687 0 0 3 0x14200 bored smr 73451 318014 0 0 2 0x14200 zerothread 62620 294841 0 0 3 0x14200 aiodoned aiodoned 70152 196398 0 0 3 0x14200 syncer update 39654 390956 0 0 3 0x14200 cleaner cleaner 87782 410814 0 0 3 0x14200 reaper reaper 19572 38214 0 0 3 0x14200 pgdaemon pagedaemon 11557 167386 0 0 3 0x14200 bored viomb 75229 9756 0 0 3 0x40014200 acpi0 acpi0 45744 73328 0 0 7 0x40014200 idle1 66842 123600 0 0 3 0x14200 bored softnet1 68021 503317 0 0 3 0x14200 bored softnet0 70802 255754 0 0 3 0x14200 bored systqmp 6948 463473 0 0 3 0x14200 bored systq 7600 81894 0 0 3 0x14200 tmoslp softclockmp 34833 517441 0 0 3 0x40014200 tmoslp softclock 64901 454378 0 0 3 0x40014200 idle0 1 113075 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd80726c6410) #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 pmap_do_remove+0xa9 rcr3 sys/arch/amd64/compile/SYZKALLER/obj/machine/cpufunc.h:139 [inline] #3 pmap_do_remove+0xa9 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline] #3 pmap_do_remove+0xa9 sys/arch/amd64/amd64/pmap.c:1824 #4 uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863 #5 uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] #5 uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486 #6 exit1+0x6fc sys/kern/kern_exit.c:260 #7 sys_exit+0x1a sys/kern/kern_exit.c:-1 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10246 11049K 12368K 166960K 14238 0 pcb 17 15K 17K 166960K 649 0 rtable 223 13K 13K 166960K 715 0 pf 43 19K 82K 166960K 446 0 ifaddr 39 7K 9K 166960K 179 0 ifgroup 66 2K 3K 166960K 358 0 sysctl 4 1K 9K 166960K 18 0 counters 74 37K 38K 166960K 382 0 ioctlops 0 0K 4K 166960K 2201 0 iov 0 0K 16K 166960K 186 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1515 95K 96K 166960K 3484 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 9 0 VM map 2 1K 1K 166960K 2 0 sem 28 136K 137K 166960K 133 0 dirhash 60 10K 12K 166960K 1008 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 236K 166960K 2572 0 sigio 1 0K 0K 166960K 48 0 proc 72 115K 148K 166960K 839 0 subproc 72 4K 4K 166960K 103 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 334 0 in_multi 77 5K 7K 166960K 220 0 ether_multi 1 0K 0K 166960K 26 0 mrt 2 0K 0K 166960K 42 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 789 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 268 191K 209K 166960K 24603 0 UVM aobj 16 8K 8K 166960K 19 0 pinsyscall 42 84K 106K 166960K 3781 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 430 0 NDP 14 0K 2K 166960K 134 0 temp 79 8680K 8936K 166960K 134348 0 kqueue 13 20K 32K 166960K 486 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 120 306 0 302 3 2 1 3 0 8 0 rtentry 176 204 0 125 6 0 6 6 0 8 0 unpcb 144 1992 0 1973 17 15 2 6 0 8 1 syncache 336 10 0 10 6 5 1 1 0 8 1 tcpqe 32 4 0 4 2 2 0 1 0 8 0 tcpcb 736 872 0 866 11 4 7 7 0 8 5 arp 136 28 0 15 1 0 1 1 0 8 0 inpcb 328 3217 0 3207 31 24 7 13 0 8 4 nd6 152 45 0 25 2 0 2 2 0 8 0 pkpcb 40 20 0 20 5 4 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 mppekey 1024 3 0 3 2 1 1 1 0 8 1 ppxss 1192 117 0 117 2 1 1 1 0 8 1 pppxif 1504 16 0 16 7 6 1 1 0 8 1 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 33 0 18 1 0 1 1 0 482 0 pffrnode 88 29 0 16 1 0 1 1 0 8 0 pffrent 40 72 0 57 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 4 0 4 3 3 0 1 0 8 0 pftag 88 3 0 1 1 0 1 1 0 8 0 pfstitem 24 154 0 55 1 0 1 1 0 8 0 pfstkey 128 156 0 60 4 0 4 4 0 8 0 pfstate 448 152 0 56 11 0 11 11 0 8 0 pfrule 1344 99 0 94 2 1 1 2 0 8 0 rttmr 136 11 0 11 2 2 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 801 0 457 31 5 26 31 0 8 0 art_table 40 805 0 457 5 0 5 5 0 8 0 art_node 32 203 0 135 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 3 1 0 1 1 0 8 0 semupl 112 3 0 3 3 2 1 1 0 8 1 semapl 112 123 0 97 1 0 1 1 0 8 0 shmpl 112 12 0 2 1 0 1 1 0 8 0 dirhash 1024 362 0 329 5 0 5 5 0 8 0 dino2pl 256 6368 0 4857 96 0 96 96 0 8 0 ffsino 296 6368 0 4857 118 0 118 118 0 8 0 nchpl 144 9917 0 8209 64 0 64 64 0 8 0 rtmask 32 29 0 29 5 4 1 1 0 8 1 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 34719 0 34719 5 4 1 2 0 8 1 percpumem 16 206 0 154 1 0 1 1 0 8 0 vcpupl 3968 4 0 1 1 0 1 1 0 8 0 vmpool 840 4 0 1 1 0 1 1 0 8 0 kstatmem 264 228 0 194 3 0 3 3 0 8 0 scsiplug 72 16 0 16 6 5 1 1 0 8 1 scxspl 216 51789 0 51789 11 10 1 8 1 8 1 plimitpl 152 736 0 718 1 0 1 1 0 8 0 sigapl 424 2899 0 2831 10 2 8 8 0 8 0 knotepl 120 558 0 0 17 0 17 17 0 8 0 kqueuepl 224 1179 0 1170 12 7 5 5 0 8 4 pipepl 344 552 0 524 13 9 4 9 0 8 1 fdescpl 528 2838 0 2807 3 0 3 3 0 8 0 filepl 160 19705 0 19479 34 19 15 18 0 8 3 lockfpl 104 1040 0 1037 2 1 1 2 0 8 0 lockfspl 48 318 0 315 1 0 1 1 0 8 0 sessionpl 144 32 0 23 1 0 1 1 0 8 0 pgrppl 48 102 0 85 1 0 1 1 0 8 0 ucredpl 104 3056 0 3041 1 0 1 1 0 8 0 zombiepl 144 2844 0 2842 3 2 1 1 0 8 0 processpl 1232 2899 0 2831 8 2 6 6 0 8 0 procpl 664 7000 0 6923 10 2 8 8 0 8 1 sosppl 176 25 0 25 5 4 1 1 0 8 1 sockpl 752 5588 0 5555 52 41 11 18 0 8 7 mcl64k 65536 19 0 0 3 0 3 3 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 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 10 0 0 2 0 2 2 0 8 0 mcl4k 4096 115 0 0 14 0 14 14 0 8 0 mcl2k 2048 83 0 0 10 1 9 9 0 8 0 mtagpl 96 86 0 0 3 0 3 3 0 8 0 mbufpl 256 1832 0 0 112 0 112 112 0 8 0 bufpl 280 19236 0 13099 439 0 439 439 0 8 0 anonpl 32 10801 0 0 87 0 87 87 0 246 0 amapchunkpl 152 85867 0 85115 57 27 30 33 0 158 0 amappl16 200 7885 0 7847 66 51 15 25 0 8 8 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 4 0 4 3 3 0 1 0 8 0 amappl13 176 506 0 505 1 0 1 1 0 8 0 amappl12 168 3237 0 3194 3 0 3 3 0 8 0 amappl11 160 39 0 39 2 2 0 1 0 8 0 amappl10 152 54 0 39 1 0 1 1 0 8 0 amappl9 144 255 0 255 1 1 0 1 0 8 0 amappl8 136 33 0 30 1 0 1 1 0 8 0 amappl7 128 96 0 94 1 0 1 1 0 8 0 amappl6 120 351 0 336 1 0 1 1 0 8 0 amappl5 112 82 0 71 1 0 1 1 0 8 0 amappl4 104 466 0 436 1 0 1 1 0 8 0 amappl3 96 17540 0 17419 6 2 4 4 0 8 0 amappl2 88 611 0 549 2 0 2 2 0 8 0 amappl1 80 20916 0 20320 17 3 14 15 0 8 0 amappl 88 23339 0 23155 5 0 5 5 0 92 0 uvmvnodes 80 189 0 0 4 0 4 4 0 8 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 2 0 2 2 2 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma512 512 2 0 2 2 2 0 1 0 8 0 dma256 256 9 0 9 3 3 0 1 0 8 0 dma128 128 260 0 260 6 5 1 1 0 8 1 dma64 64 7 0 7 2 2 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 18 0 3 1 0 1 1 0 8 0 uaddrrnd 24 2838 0 2806 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2838 0 2806 1 0 1 1 0 8 0 vmmpekpl 168 25101 0 25049 3 0 3 3 0 8 0 vmmpepl 168 182883 0 180863 129 29 100 106 0 357 6 vmsppl 488 2837 0 2806 5 0 5 5 0 8 0 rwobjpl 80 46174 0 45004 39 9 30 32 0 8 0 pdppl 4096 5692 0 5617 124 49 75 86 0 8 0 pvpl 32 19312 0 0 157 2 155 155 0 265 0 pmappl 256 2841 0 2807 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 450 0 78 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343e93a) at panic+0x1e5 sys/kern/subr_prf.c:198 pmap_remove_pte(fffffd80726c6400,fffffd80088e4d00,7f8379b10000,6f362000000,6f362200000,0) at pmap_remove_pte pmap_do_remove(fffffd80726c6400,6f361e9d000,6f36229c000,0) at pmap_do_remove+0x589 sys/arch/amd64/amd64/pmap.c:1920 uvm_unmap_kill_entry_withlock(fffffd806caf29a0,fffffd806caf3888,0) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863 uvm_map_teardown(fffffd806caf29a0) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd806caf29a0) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486 exit1(ffff8000fffde2d0,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff8000fffde2d0,ffff80003c443c90,ffff80003c443be0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c443c90) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c443c90) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x718d69f06c90, count: -10 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