uvm_fault(0xfffffd806ae37020, 0xf, 0, 1) -> e kernel: page fault trap, code=0 Stopped at ktrops+0x58: movq 0x10(%r14),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND 110693 83882 0 0 0 1 syz-executor * 8423 15272 0 0 0x4000000 0K syz-executor ktrops(ffff8000ffffaa30,ffffffffffffffff,0,80000b1c,fffffd805e668448,fffffd807f7d2068) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff8000ffffaa30,ffffffffffffffff,0,80000b1c,fffffd805e668448,fffffd807f7d2068) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd805e668448,4,b1c,0,ffff8000ffffaa30) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd805e668448,4,b1c,0,ffff8000ffffaa30) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff8000ffffaa30,ffff8000310b03c0,ffff8000310b0310) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff8000310b03c0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000310b03c0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6571969d940, count: 10 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(0xfffffd806ae37020, 0xf, 0, 1) -> e ddb{0}> trace ktrops(ffff8000ffffaa30,ffffffffffffffff,0,80000b1c,fffffd805e668448,fffffd807f7d2068) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff8000ffffaa30,ffffffffffffffff,0,80000b1c,fffffd805e668448,fffffd807f7d2068) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd805e668448,4,b1c,0,ffff8000ffffaa30) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd805e668448,4,b1c,0,ffff8000ffffaa30) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff8000ffffaa30,ffff8000310b03c0,ffff8000310b0310) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff8000310b03c0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000310b03c0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6571969d940, count: -5 ddb{0}> show registers rdi 0xffff8000310b7000 rsi 0x27e7 __ALIGN_SIZE+0x17e7 rbp 0xffff8000310b00e0 rbx 0xfffffd807f7d2068 rdx 0xffff8000310b7000 rcx 0x27e6 __ALIGN_SIZE+0x17e6 rax 0xffffffff8250de93 ktrops+0x43 r8 0xfffffd805e668448 r9 0xfffffd807f7d2068 r10 0x8c875c49107e1870 r11 0x114a92f4a7b177ae r12 0xffff8000ffffaa30 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x80000b1c __kernel_virt_to_phys+0xb1c rip 0xffffffff8250dea8 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000310b0060 ss 0x10 ktrops+0x58: movq 0x10(%r14),%r14 ddb{0}> show proc PROC (syz-executor) tid=8423 pid=15272 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=79, usrpri=80, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffffaf40,0xffff8000ffffd6e0 process=0xffff80002f0a9db8 user=0xffff8000310ab000, vmspace=0xfffffd806ae37020 estcpu=30, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 83882 110693 87723 0 7 0 syz-executor 83882 406270 87723 0 2 0x4000000 syz-executor 15272 387736 2357 0 2 0 syz-executor *15272 8423 2357 0 7 0x4000000 syz-executor 86743 385043 41598 0 3 0x80 nanoslp syz-executor 86743 395347 41598 0 2 0x4000000 syz-executor 86743 12392 41598 0 3 0x4000080 fsleep syz-executor 35102 494086 14625 0 2 0 syz-executor 35102 496551 14625 0 2 0x4000000 syz-executor 17303 142800 70428 -1 2 0x10 syz-executor 17303 414422 70428 -1 3 0x4000090 ttyout syz-executor 17303 168585 70428 -1 3 0x4000090 fsleep syz-executor 70428 149405 14318 0 3 0x82 nanoslp syz-executor 449 14245 0 0 3 0x14200 bored sosplice 78294 392895 14318 0 2 0x2 syz-executor 46983 24438 14318 0 2 0x2 syz-executor 6455 446701 14318 0 3 0x82 nanoslp syz-executor 2357 256530 14318 0 2 0x482 syz-executor 41598 269603 14318 0 3 0x82 nanoslp syz-executor 14625 338975 14318 0 3 0x82 nanoslp syz-executor 87723 323299 14318 0 3 0x82 nanoslp syz-executor 14318 341768 59260 0 3 0x82 kqread syz-executor 59260 125939 25290 0 3 0x10008a sigsusp ksh 25290 492849 91125 0 3 0x98 kqread sshd-session 91125 318670 8005 0 3 0x92 kqread sshd-session 28243 66169 1 0 3 0x100083 ttyin getty 8005 309480 1 0 3 0x88 kqread sshd 86783 253735 90191 74 3 0x1100092 bpf pflogd 90191 491121 1 0 3 0x80 sbwait pflogd 17321 155614 32509 73 3 0x1100090 kqread syslogd 32509 428882 1 0 3 0x100082 sbwait syslogd 80763 250448 1 0 3 0x100080 kqread resolvd 89866 328290 68300 77 3 0x100092 kqread dhcpleased 57127 467922 68300 77 3 0x100092 kqread dhcpleased 68300 439132 1 0 3 0x80 kqread dhcpleased 11276 385406 0 0 3 0x14200 bored smr 2250 348377 0 0 2 0x14200 zerothread 38916 355336 0 0 3 0x14200 aiodoned aiodoned 45519 307458 0 0 3 0x14200 syncer update 20905 116514 0 0 3 0x14200 cleaner cleaner 17174 122281 0 0 3 0x14200 reaper reaper 17432 472091 0 0 3 0x14200 pgdaemon pagedaemon 25163 424539 0 0 3 0x14200 bored viomb 76157 368973 0 0 3 0x40014200 acpi0 acpi0 4436 54148 0 0 3 0x40014200 idle1 32243 109173 0 0 3 0x14200 bored softnet3 28486 340413 0 0 3 0x14200 bored softnet2 26032 65993 0 0 3 0x14200 bored softnet1 25081 228633 0 0 3 0x14200 bored softnet0 25663 198481 0 0 3 0x14200 bored systqmp 32792 94052 0 0 3 0x14200 bored systq 28765 318771 0 0 3 0x14200 tmoslp softclockmp 90114 232344 0 0 3 0x40014200 tmoslp softclock 57586 88361 0 0 3 0x40014200 idle0 1 385503 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 15272 (syz-executor) thread 0xffff8000ffffaa30 (8423) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838d5620) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x24f sys/kern/kern_synch.c:414 #4 biowait+0xc1 sys/kern/vfs_bio.c:1246 #5 bwrite+0x2e5 sys/kern/vfs_bio.c:758 #6 ffs_update+0x34f sys/ufs/ffs/ffs_inode.c:111 #7 ffs_truncate+0xcb6 #8 ufs_inactive+0x206 sys/ufs/ufs/ufs_inode.c:84 #9 VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 #10 vrele+0x129 sys/kern/vfs_subr.c:845 #11 ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122 #12 ktrops+0x271 sys/kern/kern_ktrace.c:573 #13 doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] #13 doktrace+0x6dd sys/kern/kern_ktrace.c:517 #14 sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 #15 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #15 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #16 Xsyscall+0x128 Process 78294 (syz-executor) thread 0xffff8000ffffdbe0 (392895) exclusive rrwlock inode r = 0 (0xfffffd805ecf8730) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_closefile+0x111 vn_close sys/kern/vfs_vnops.c:292 [inline] #5 vn_closefile+0x111 sys/kern/vfs_vnops.c:615 #6 fdrop+0x126 sys/kern/kern_descrip.c:1265 #7 closef+0x192 sys/kern/kern_descrip.c:1249 #8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 46983 (syz-executor) thread 0xffff8000ffffd958 (24438) exclusive rrwlock inode r = 0 (0xfffffd806e62b9a0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3102 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c680880) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3087 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10206 11294K 11444K 166960K 11996 0 pcb 17 12K 12K 166960K 43 0 rtable 224 7K 8K 166960K 413 0 pf 34 17K 18K 166960K 56 0 ifaddr 40 7K 7K 166960K 52 0 ifgroup 51 2K 2K 166960K 66 0 sysctl 3 1K 1K 166960K 3 0 counters 62 36K 36K 166960K 72 0 ioctlops 0 0K 4K 166960K 1500 0 iov 0 0K 16K 166960K 11 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1410 89K 89K 166960K 1616 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 6 0K 0K 166960K 6 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 15 53K 89K 166960K 326 0 sigio 0 0K 0K 166960K 8 0 proc 72 91K 115K 166960K 567 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 29 0 in_multi 92 6K 7K 166960K 128 0 ether_multi 1 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 441 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 216 72K 77K 166960K 4619 0 UVM aobj 13 4K 4K 166960K 14 0 pinsyscall 41 82K 102K 166960K 1475 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 8 0 NDP 11 0K 2K 166960K 34 0 temp 46 8636K 8704K 166960K 7307 0 kqueue 14 22K 26K 166960K 54 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 113 0 110 3 2 1 3 0 8 0 rtentry 112 125 0 23 4 0 4 4 0 8 0 unpcb 144 213 0 195 4 2 2 4 0 8 1 syncache 336 5 0 5 1 1 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 114 0 109 8 7 1 8 0 8 0 arp 120 20 0 4 1 0 1 1 0 8 0 inpcb 376 321 0 312 8 6 2 8 0 8 0 nd6 136 27 0 6 1 0 1 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1168 3 0 3 1 1 0 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 1 0 0 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 pfstitem 24 28 0 2 1 0 1 1 0 8 0 pfstkey 128 28 0 0 1 0 1 1 0 8 0 pfstate 376 26 0 1 3 0 3 3 0 8 0 pfrule 1344 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 502 0 94 29 0 29 29 0 8 1 art_table 32 504 0 94 4 0 4 4 0 8 0 art_node 16 124 0 32 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 3 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 4 0 0 1 0 1 1 0 8 0 shmpl 112 11 0 1 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1866 0 357 95 0 95 95 0 8 0 ffsino 280 1866 0 357 109 0 109 109 0 8 0 nchpl 144 2316 0 625 63 0 63 63 0 8 0 rtmask 32 1 0 1 1 1 0 1 0 8 0 uvmvnodes 80 2155 0 0 44 0 44 44 0 8 0 vnodes 216 2155 0 0 120 0 120 120 0 8 0 namei 1024 7584 0 7583 3 2 1 2 0 8 0 percpumem 16 50 0 5 1 0 1 1 0 8 0 kstatmem 264 30 0 8 2 0 2 2 0 8 0 scsiplug 72 3 0 3 1 1 0 1 0 8 0 scxspl 216 7743 0 7743 10 9 1 8 1 8 1 plimitpl 152 51 0 34 1 0 1 1 0 8 0 sigapl 424 637 0 588 7 1 6 7 0 8 0 futexpl 64 2907 0 2905 1 0 1 1 0 8 0 knotepl 120 549 0 0 17 0 17 17 0 8 0 kqueuepl 216 66 0 55 1 0 1 1 0 8 0 pipepl 328 193 0 164 8 5 3 8 0 8 0 fdescpl 504 617 0 587 5 0 5 5 0 8 0 filepl 152 3171 0 2943 17 5 12 17 0 8 0 lockfpl 104 117 0 110 1 0 1 1 0 8 0 lockfspl 48 27 0 20 1 0 1 1 0 8 0 sessionpl 144 24 0 15 1 0 1 1 0 8 0 pgrppl 48 35 0 18 1 0 1 1 0 8 0 ucredpl 104 218 0 204 1 0 1 1 0 8 0 zombiepl 144 589 0 588 2 1 1 1 0 8 0 processpl 1168 637 0 588 5 1 4 5 0 8 0 procpl 648 936 0 880 6 0 6 6 0 8 0 srpgc 96 4 0 4 2 1 1 1 0 8 1 sockpl 688 650 0 620 16 11 5 16 0 8 2 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 119 0 0 15 0 15 15 0 8 0 mcl2k 2048 16 0 0 2 0 2 2 0 8 0 mtagpl 96 23 0 0 1 0 1 1 0 8 0 mbufpl 256 148 0 0 10 0 10 10 0 8 0 bufpl 280 2721 0 136 185 0 185 185 0 8 0 anonpl 24 123593 0 120316 48 21 27 46 0 184 0 amapchunkpl 152 14180 0 13719 23 0 23 23 0 158 1 amappl16 200 2625 0 2599 15 12 3 14 0 8 1 amappl15 192 18 0 18 1 1 0 1 0 8 0 amappl14 184 122 0 110 1 0 1 1 0 8 0 amappl13 176 13 0 12 1 0 1 1 0 8 0 amappl12 168 1300 0 1270 3 1 2 2 0 8 0 amappl11 160 47 0 33 1 0 1 1 0 8 0 amappl10 152 7 0 7 2 2 0 1 0 8 0 amappl9 144 263 0 263 1 1 0 1 0 8 0 amappl8 136 27 0 25 1 0 1 1 0 8 0 amappl7 128 124 0 112 1 0 1 1 0 8 0 amappl6 120 194 0 191 1 0 1 1 0 8 0 amappl5 112 126 0 117 1 0 1 1 0 8 0 amappl4 104 331 0 311 1 0 1 1 0 8 0 amappl3 96 2468 0 2361 4 0 4 4 0 8 0 amappl2 88 675 0 613 2 0 2 2 0 8 0 amappl1 80 8706 0 8132 14 0 14 14 0 8 0 amappl 88 4215 0 4055 5 0 5 5 0 92 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 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 13 0 1 1 0 1 1 0 8 0 uaddrrnd 24 617 0 587 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 617 0 587 1 0 1 1 0 8 0 vmmpekpl 168 7016 0 6977 3 0 3 3 0 8 0 vmmpepl 168 44695 0 42885 98 13 85 97 0 357 0 vmsppl 456 616 0 587 5 0 5 5 0 8 0 rwobjpl 64 17766 0 14679 51 0 51 51 0 8 0 pdppl 4096 1242 0 1174 104 32 72 84 0 8 4 pvpl 32 14293 0 0 116 0 116 116 0 265 0 pmappl 248 616 0 587 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 288 0 46 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace ktrops(ffff8000ffffaa30,ffffffffffffffff,0,80000b1c,fffffd805e668448,fffffd807f7d2068) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff8000ffffaa30,ffffffffffffffff,0,80000b1c,fffffd805e668448,fffffd807f7d2068) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd805e668448,4,b1c,0,ffff8000ffffaa30) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd805e668448,4,b1c,0,ffff8000ffffaa30) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff8000ffffaa30,ffff8000310b03c0,ffff8000310b0310) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff8000310b03c0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000310b03c0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6571969d940, count: -5 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029aabff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 end of kernel end trace frame: 0x7c9454082420, count: 12 ddb{1}> trace x86_ipi_db(ffff800029aabff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 end of kernel end trace frame: 0x7c9454082420, count: -3