uvm_fault(0xfffffd806cada9a0, 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 229674 94504 0 0 0 1 syz-executor dt_ioctl_record_stop(ffff80000148d000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff80003c3e67f0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c3e67f0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c3ff5f0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd807d148af8,81,fffffd80097fd680,ffff80003c3e67f0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd800f7bccd0,ffff80003c3e67f0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd800f7bccd0,ffff80003c3e67f0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd800f7bccd0,ffff80003c3e67f0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd800f7bccd0,ffff80003c3e67f0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c3e67f0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c3e67f0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c3e67f0,ffff80003c3ff960,ffff80003c3ff8b0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c3ff960) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3ff960) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x787ea2719e20, count: 3 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(0xfffffd806cada9a0, 0x0, 0, 1) -> e ddb{0}> trace dt_ioctl_record_stop(ffff80000148d000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff80003c3e67f0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c3e67f0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c3ff5f0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd807d148af8,81,fffffd80097fd680,ffff80003c3e67f0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd800f7bccd0,ffff80003c3e67f0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd800f7bccd0,ffff80003c3e67f0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd800f7bccd0,ffff80003c3e67f0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd800f7bccd0,ffff80003c3e67f0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c3e67f0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c3e67f0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c3e67f0,ffff80003c3ff960,ffff80003c3ff8b0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c3ff960) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3ff960) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x787ea2719e20, count: -12 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003c3ff520 rbx 0x1 rdx 0 rcx 0xffff80003c3e67f0 rax 0xffffffff8387e9a8 dt_prov_syscall r8 0 r9 0 r10 0x3b4b8e6442d076ff r11 0x50db4f94bfe73b24 r12 0 r13 0 r14 0 r15 0xffff8000014a9100 rip 0xffffffff81ab3c38 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80003c3ff4f0 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{0}> show proc PROC (syz-executor) tid=297307 pid=70180 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c3e67f0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003c3e6d20,0xffff80003c3e7260 process=0xffff8000fffee698 user=0xffff80003c3fa000, vmspace=0xfffffd806cada9a0 estcpu=36, cpticks=5, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 70683 75279 42965 0 2 0 syz-executor 94504 229674 54062 0 7 0 syz-executor 94504 46116 54062 0 3 0x4000080 kqread syz-executor 94504 74739 54062 0 3 0x4000080 kqsel syz-executor 57112 240864 69812 0 3 0x80 nanoslp syz-executor 57112 38363 69812 0 3 0x4000080 sbwait syz-executor 57112 436825 69812 0 3 0x4000080 fsleep syz-executor 38613 222708 92834 0 3 0x80 nanoslp syz-executor 38613 505410 92834 0 2 0x4000000 syz-executor 38613 446462 92834 0 3 0x4000000 inode syz-executor 38613 427743 92834 0 3 0x4000080 fsleep syz-executor 92834 213768 46542 0 3 0x82 nanoslp syz-executor 37090 433612 46542 0 3 0x82 nanoslp syz-executor 82254 231059 46542 0 3 0x82 nanoslp syz-executor 54062 505545 46542 0 3 0x82 nanoslp syz-executor 65589 285611 46542 0 3 0x82 wait syz-executor 65854 447726 46542 0 3 0x82 nanoslp syz-executor 42965 321715 46542 0 3 0x82 nanoslp syz-executor 69812 229005 46542 0 3 0x82 nanoslp syz-executor 46542 450495 65379 0 3 0x82 kqread syz-executor 65379 79738 57246 0 3 0x10008a sigsusp ksh 57246 107920 37408 0 3 0x98 kqread sshd-session 37408 483103 93928 0 3 0x92 kqread sshd-session 75441 53298 1 0 3 0x100083 ttyin getty 93928 394080 1 0 3 0x88 kqread sshd 85361 14815 60780 74 3 0x1100092 bpf pflogd 60780 276256 1 0 3 0x80 sbwait pflogd 76694 84143 73462 73 3 0x1100090 kqread syslogd 73462 138915 1 0 3 0x100082 sbwait syslogd 39036 11773 1 0 3 0x100080 kqread resolvd 97110 364440 19906 77 3 0x100092 kqread dhcpleased 83892 110212 19906 77 3 0x100092 kqread dhcpleased 19906 474260 1 0 3 0x80 kqread dhcpleased 626 289505 0 0 3 0x14200 bored smr 48559 393930 0 0 3 0x14200 pgzero zerothread 22014 373879 0 0 3 0x14200 aiodoned aiodoned 53360 355675 0 0 3 0x14200 syncer update 10430 337033 0 0 3 0x14200 cleaner cleaner 22579 314537 0 0 3 0x14200 reaper reaper 57801 287660 0 0 3 0x14200 pgdaemon pagedaemon 69994 518279 0 0 3 0x14200 bored viomb 3960 438550 0 0 3 0x40014200 acpi0 acpi0 89600 306293 0 0 3 0x40014200 idle1 1266 133813 0 0 3 0x14200 bored softnet1 73772 275648 0 0 3 0x14200 bored softnet0 75413 42550 0 0 3 0x14200 bored systqmp 96778 238222 0 0 3 0x14200 bored systq 46295 198330 0 0 3 0x14200 tmoslp softclockmp 57586 49011 0 0 3 0x40014200 tmoslp softclock 66057 460871 0 0 3 0x40014200 idle0 1 254781 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 38613 (syz-executor) thread 0xffff80003c3e6028 (505410) exclusive rrwlock inode r = 0 (0xfffffd8060a2cc70) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 38613 (syz-executor) thread 0xffff8000fffe8fb0 (446462) exclusive rrwlock inode r = 0 (0xfffffd806ff96430) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 uipc_bind+0x328 sys/kern/uipc_usrreq.c:371 #8 sys_bind+0x2f6 sys/kern/uipc_syscalls.c:190 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #10 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10209 11071K 11805K 166960K 11844 0 pcb 17 13K 13K 166960K 66 0 rtable 237 8K 8K 166960K 425 0 pf 35 17K 81K 166960K 63 0 ifaddr 41 7K 8K 166960K 57 0 ifgroup 55 2K 2K 166960K 73 0 sysctl 4 1K 9K 166960K 8 0 counters 70 37K 37K 166960K 88 0 ioctlops 0 0K 4K 166960K 1521 0 iov 1 12K 13K 166960K 11 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1403 88K 88K 166960K 1653 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 5 0K 0K 166960K 5 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 97K 166960K 441 0 sigio 0 0K 0K 166960K 2 0 proc 72 115K 164K 166960K 585 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 31 0 in_multi 89 6K 7K 166960K 120 0 ether_multi 1 0K 0K 166960K 4 0 mrt 0 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 418 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 255 167K 179K 166960K 5790 0 UVM aobj 7 4K 4K 166960K 7 0 pinsyscall 43 86K 111K 166960K 1604 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 36 0 NDP 12 0K 1K 166960K 35 0 temp 76 8680K 8776K 166960K 13527 0 kqueue 16 26K 28K 166960K 82 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 50 0 46 1 0 1 1 0 8 0 rtentry 176 130 0 25 6 0 6 6 0 8 0 unpcb 144 187 0 166 2 0 2 2 0 8 1 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 63 0 59 1 0 1 1 0 8 0 arp 136 20 0 2 1 0 1 1 0 8 0 inpcb 328 364 0 356 9 0 9 9 0 8 8 nd6 152 29 0 7 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1192 6 0 6 1 0 1 1 0 8 1 pppxif 1504 2 0 2 1 0 1 1 0 8 1 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pffrag 232 5 0 0 1 0 1 1 0 482 0 pffrnode 88 5 0 0 1 0 1 1 0 8 0 pffrent 40 42 0 36 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 1 0 1 1 0 1 1 0 8 1 pfstitem 24 40 0 0 1 0 1 1 0 8 0 pfstkey 128 42 0 2 2 0 2 2 0 8 0 pfstate 448 41 0 1 5 0 5 5 0 8 0 pfrule 1344 22 0 16 2 0 2 2 0 8 0 rttmr 136 2 0 2 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 563 0 142 32 0 32 32 0 8 2 art_table 40 565 0 142 6 0 6 6 0 8 1 art_node 32 129 0 33 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 1 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 3 0 0 1 0 1 1 0 8 0 shmpl 112 3 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2060 0 544 95 0 95 95 0 8 0 ffsino 296 2060 0 544 117 0 117 117 0 8 0 nchpl 144 2650 0 941 64 0 64 64 0 8 0 rtmask 32 2 0 2 1 0 1 1 0 8 1 vnodes 216 2361 0 0 132 0 132 132 0 8 0 namei 1024 8300 0 8299 2 1 1 2 0 8 0 percpumem 16 59 0 9 1 0 1 1 0 8 0 vcpupl 3968 1 0 0 1 0 1 1 0 8 0 vmpool 848 1 0 0 1 0 1 1 0 8 0 kstatmem 264 36 0 10 3 0 3 3 0 8 1 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scxspl 216 9371 0 9371 10 2 8 8 1 8 8 plimitpl 152 99 0 80 1 0 1 1 0 8 0 sigapl 424 753 0 705 7 1 6 7 0 8 0 knotepl 120 471 0 0 15 0 15 15 0 8 0 kqueuepl 224 173 0 161 5 0 5 5 0 8 4 pipepl 344 139 0 111 3 0 3 3 0 8 0 fdescpl 528 735 0 703 3 0 3 3 0 8 0 filepl 160 3435 0 3203 14 0 14 14 0 8 3 lockfpl 104 116 0 114 1 0 1 1 0 8 0 lockfspl 48 54 0 52 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 34 0 17 1 0 1 1 0 8 0 ucredpl 104 367 0 354 1 0 1 1 0 8 0 zombiepl 144 709 0 705 1 0 1 1 0 8 0 processpl 1232 753 0 705 5 1 4 5 0 8 0 procpl 664 1260 0 1205 6 0 6 6 0 8 0 sosppl 176 1 0 1 1 0 1 1 0 8 1 sockpl 752 610 0 577 13 1 12 13 0 8 8 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 0 8 0 mcl2k 2048 41 0 0 6 0 6 6 0 8 0 mtagpl 96 47 0 0 2 0 2 2 0 8 0 mbufpl 256 311 0 0 20 0 20 20 0 8 0 bufpl 280 3231 0 125 222 0 222 222 0 8 0 anonpl 32 5522 0 0 45 0 45 45 0 246 0 amapchunkpl 152 17606 0 17035 26 0 26 26 0 158 3 amappl16 200 2312 0 2282 5 2 3 5 0 8 0 amappl15 192 19 0 19 1 1 0 1 0 8 0 amappl14 184 5 0 5 1 1 0 1 0 8 0 amappl13 176 440 0 439 1 0 1 1 0 8 0 amappl12 168 1108 0 1066 3 0 3 3 0 8 0 amappl11 160 6 0 5 1 0 1 1 0 8 0 amappl10 152 49 0 35 1 0 1 1 0 8 0 amappl9 144 254 0 254 1 1 0 1 0 8 0 amappl8 136 28 0 26 1 0 1 1 0 8 0 amappl7 128 85 0 84 1 0 1 1 0 8 0 amappl6 120 295 0 282 1 0 1 1 0 8 0 amappl5 112 74 0 64 1 0 1 1 0 8 0 amappl4 104 422 0 393 1 0 1 1 0 8 0 amappl3 96 3350 0 3237 5 1 4 4 0 8 0 amappl2 88 550 0 490 2 0 2 2 0 8 0 amappl1 80 10442 0 9847 16 1 15 16 0 8 2 amappl 88 5001 0 4825 5 0 5 5 0 92 0 uvmvnodes 80 108 0 0 3 0 3 3 0 8 0 dma65536 65536 1 0 1 1 0 1 1 0 8 1 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 7 0 7 2 1 1 1 0 8 1 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 83 0 82 1 0 1 1 0 8 0 aobjpl 72 6 0 0 1 0 1 1 0 8 0 uaddrrnd 24 735 0 703 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 735 0 703 1 0 1 1 0 8 0 vmmpekpl 168 7641 0 7602 3 0 3 3 0 8 1 vmmpepl 168 53311 0 51347 89 1 88 89 0 357 1 vmsppl 488 734 0 703 5 0 5 5 0 8 0 rwobjpl 80 17081 0 16029 26 2 24 26 0 8 1 pdppl 4096 1479 0 1407 104 32 72 87 0 8 0 pvpl 32 13222 0 0 108 1 107 107 0 265 0 pmappl 256 735 0 703 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 297 0 36 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:593 dtclose(11e5f,81,2000,ffff80003c3e67f0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c3e67f0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c3ff5f0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd807d148af8,81,fffffd80097fd680,ffff80003c3e67f0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd800f7bccd0,ffff80003c3e67f0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd800f7bccd0,ffff80003c3e67f0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd800f7bccd0,ffff80003c3e67f0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd800f7bccd0,ffff80003c3e67f0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c3e67f0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c3e67f0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c3e67f0,ffff80003c3ff960,ffff80003c3ff8b0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c3ff960) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3ff960) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x787ea2719e20, count: -12 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299ddff0) 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 end of kernel end trace frame: 0x7b0f3c43f7b0, count: 12 ddb{1}> trace x86_ipi_db(ffff8000299ddff0) 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 end of kernel end trace frame: 0x7b0f3c43f7b0, count: -3