uvm_fault(0xffffffff834f6bf0, 0xffff80000130f0bb, 0, 1) -> e kernel: page fault trap, code=0 Stopped at arp_rtrequest+0x660: movzwl 0xc(%r15,%rbx,1),%ecx TID PID UID PRFLAGS PFLAGS CPU COMMAND *508484 17811 0 0 0x4000000 0K syz-executor 414376 16690 0 0 0 1 syz-executor arp_rtrequest(ffff8000011a7000,1,fffffd806bd15010) at arp_rtrequest+0x660 arprequest sys/netinet/if_ether.c:281 [inline] arp_rtrequest(ffff8000011a7000,1,fffffd806bd15010) at arp_rtrequest+0x660 sys/netinet/if_ether.c:184 rtrequest(1,ffff8000371b1f08,1,ffff8000371b1fb0,0) at rtrequest+0xbdc sys/net/route.c:1103 rt_ifa_add(ffff8000011c5a00,240004,ffff8000011c5a58,0) at rt_ifa_add+0x22e sys/net/route.c:1273 rt_ifa_addlocal(ffff8000011c5a00) at rt_ifa_addlocal+0x1d2 sys/net/route.c:1381 in_ifinit(ffff8000011a7000,ffff8000011c5a00,ffff8000371b2270,1) at in_ifinit+0x26c sys/netinet/in.c:669 in_ioctl_change_ifaddr(8040691a,ffff8000371b2260,ffff8000011a7000) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff8000012b6570,8040691a,ffff8000371b2260,ffff8000371c67d8) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff8000012b6570,8040691a,ffff8000371b2260,ffff8000371c67d8) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000371c67d8,ffff8000371b2440,ffff8000371b2390) at sys_ioctl+0x67c syscall(ffff8000371b2440) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371b2440) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2fbea6176f0, 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: uvm_fault(0xffffffff834f6bf0, 0xffff80000130f0bb, 0, 1) -> e ddb{0}> trace arp_rtrequest(ffff8000011a7000,1,fffffd806bd15010) at arp_rtrequest+0x660 arprequest sys/netinet/if_ether.c:281 [inline] arp_rtrequest(ffff8000011a7000,1,fffffd806bd15010) at arp_rtrequest+0x660 sys/netinet/if_ether.c:184 rtrequest(1,ffff8000371b1f08,1,ffff8000371b1fb0,0) at rtrequest+0xbdc sys/net/route.c:1103 rt_ifa_add(ffff8000011c5a00,240004,ffff8000011c5a58,0) at rt_ifa_add+0x22e sys/net/route.c:1273 rt_ifa_addlocal(ffff8000011c5a00) at rt_ifa_addlocal+0x1d2 sys/net/route.c:1381 in_ifinit(ffff8000011a7000,ffff8000011c5a00,ffff8000371b2270,1) at in_ifinit+0x26c sys/netinet/in.c:669 in_ioctl_change_ifaddr(8040691a,ffff8000371b2260,ffff8000011a7000) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff8000012b6570,8040691a,ffff8000371b2260,ffff8000371c67d8) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff8000012b6570,8040691a,ffff8000371b2260,ffff8000371c67d8) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000371c67d8,ffff8000371b2440,ffff8000371b2390) at sys_ioctl+0x67c syscall(ffff8000371b2440) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371b2440) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2fbea6176f0, count: -10 ddb{0}> show registers rdi 0xffff800034999000 rsi 0x791 rbp 0xffff8000371b1dd0 rbx 0xff rdx 0xffff800034999000 rcx 0x100040600080100 rax 0xfffffd8070e413e0 r8 0x10 r9 0xfffffd806bd15010 r10 0x719b47f52faf0bda r11 0x469367710b657dcc r12 0x56 r13 0xfffffd8070e41300 r14 0xfffffd806bd15010 r15 0xffff80000130efb0 rip 0xffffffff811fdbe0 arp_rtrequest+0x660 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000371b1d50 ss 0x10 arp_rtrequest+0x660: movzwl 0xc(%r15,%rbx,1),%ecx ddb{0}> show proc PROC (syz-executor) tid=508484 pid=17811 tcnt=2 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=0xffff8000371c7990,0xffff8000371c7490 process=0xffff8000ffff6d68 user=0xffff8000371ad000, vmspace=0xfffffd806be06008 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 31012 383534 38561 0 2 0 syz-executor 17811 437 54091 0 2 0 syz-executor *17811 508484 54091 0 7 0x4000000 syz-executor 16690 414376 97013 0 7 0 syz-executor 16690 188456 97013 0 2 0x4000000 syz-executor 27512 275595 86063 0 3 0x80 nanoslp syz-executor 27512 69273 86063 0 3 0x4000080 fifow syz-executor 67907 467027 78511 0 2 0 syz-executor 67907 337508 78511 0 3 0x4000080 fsleep syz-executor 67907 450479 78511 0 3 0x4000080 ttyout syz-executor 54000 114787 81009 0 3 0x80 nanoslp syz-executor 54000 104787 81009 0 3 0x4000080 rest syz-executor 54000 245377 81009 0 3 0x4000080 bell syz-executor 38385 475853 83551 0 2 0x4000000 syz-executor 38385 424452 83551 0 3 0x4000080 ttyin syz-executor 78511 77881 17977 0 2 0x2 syz-executor 81009 16787 17977 0 2 0x2 syz-executor 97013 58855 17977 0 3 0x82 nanoslp syz-executor 83551 69654 17977 0 3 0x82 nanoslp syz-executor 38561 322448 17977 0 3 0x82 nanoslp syz-executor 63471 486977 17977 0 3 0x82 nanoslp syz-executor 86063 404268 17977 0 3 0x82 nanoslp syz-executor 54091 227700 17977 0 3 0x82 nanoslp syz-executor 73959 2503 0 0 3 0x14280 nfsidl nfsio 36537 493142 0 0 3 0x14280 nfsidl nfsio 71719 414386 0 0 3 0x14280 nfsidl nfsio 13960 194500 0 0 3 0x14280 nfsidl nfsio 40973 337715 0 0 3 0x14280 nfsidl nfsio 77711 108183 0 0 3 0x14280 nfsidl nfsio 72898 186932 0 0 3 0x14280 nfsidl nfsio 63630 317660 0 0 3 0x14280 nfsidl nfsio 17166 403404 0 0 3 0x14280 nfsidl nfsio 29787 69416 0 0 3 0x14280 nfsidl nfsio 74825 128756 0 0 3 0x14280 nfsidl nfsio 879 76559 0 0 3 0x14280 nfsidl nfsio 75743 410642 0 0 3 0x14280 nfsidl nfsio 77158 227487 0 0 3 0x14280 nfsidl nfsio 79212 43266 0 0 3 0x14280 nfsidl nfsio 24221 99146 0 0 3 0x14280 nfsidl nfsio 73632 352152 0 0 3 0x14280 nfsidl nfsio 27753 2992 0 0 3 0x14280 nfsidl nfsio 45073 71663 0 0 3 0x14280 nfsidl nfsio 49518 28766 0 0 3 0x14280 nfsidl nfsio 84575 982 0 0 3 0x14200 bored sosplice 17977 368634 67064 0 3 0x82 kqread syz-executor 67064 300208 56084 0 3 0x10008a sigsusp ksh 56084 497757 26202 0 3 0x98 kqread sshd-session 26202 101583 63528 0 3 0x92 kqread sshd-session 71601 142663 1 0 3 0x100083 ttyopn getty 63528 90253 1 0 3 0x88 kqread sshd 32598 23924 12993 74 3 0x1100092 bpf pflogd 12993 251369 1 0 3 0x80 sbwait pflogd 95962 470340 86551 73 3 0x1100090 kqread syslogd 86551 402859 1 0 3 0x100082 sbwait syslogd 30842 465241 1 0 3 0x100080 kqread resolvd 25481 145225 67662 77 3 0x100092 kqread dhcpleased 44864 231623 67662 77 3 0x100092 kqread dhcpleased 67662 189055 1 0 3 0x80 kqread dhcpleased 77473 94392 0 0 3 0x14200 bored smr 35125 301353 0 0 3 0x14200 pgzero zerothread 44113 11112 0 0 3 0x14200 aiodoned aiodoned 53338 139560 0 0 3 0x14200 syncer update 42241 471055 0 0 3 0x14200 cleaner cleaner 58576 243622 0 0 3 0x14200 reaper reaper 24900 154618 0 0 3 0x14200 pgdaemon pagedaemon 72871 315090 0 0 3 0x14200 bored viomb 48780 435298 0 0 3 0x40014200 acpi0 acpi0 84338 153884 0 0 3 0x40014200 idle1 76463 253515 0 0 3 0x14200 bored softnet3 38177 112599 0 0 3 0x14200 bored softnet2 33054 160577 0 0 3 0x14200 bored softnet1 54795 471868 0 0 3 0x14200 bored softnet0 98411 1160 0 0 3 0x14200 bored systqmp 58444 42387 0 0 3 0x14200 bored systq 27679 14270 0 0 3 0x14200 tmoslp softclockmp 99133 472417 0 0 3 0x40014200 tmoslp softclock 14640 207659 0 0 3 0x40014200 idle0 1 229587 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 17811 (syz-executor) thread 0xffff8000371c67d8 (508484) exclusive rwlock netlock r = 0 (0xffffffff83424b40) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 in_ioctl_change_ifaddr+0xbe sys/netinet/in.c:413 #2 ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] #2 ifioctl+0x1571 sys/net/if.c:2449 #3 sys_ioctl+0x67c #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff834fce00) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 ifioctl+0x47f sys/net/if.c:2096 #2 sys_ioctl+0x67c #3 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #3 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10242 10231K 10422K 166960K 12266 0 pcb 19 16K 20K 166960K 242 0 rtable 227 15K 15K 166960K 1097 0 pf 39 18K 22K 166960K 130 0 ifaddr 42 7K 8K 166960K 146 0 ifgroup 57 2K 2K 166960K 172 0 sysctl 3 0K 0K 166960K 3 0 counters 66 36K 36K 166960K 128 0 ioctlops 0 0K 4K 166960K 1549 0 iov 0 0K 16K 166960K 29 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1430 90K 90K 166960K 2193 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 7 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 27 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 18 65K 93K 166960K 914 0 sigio 0 0K 0K 166960K 13 0 proc 70 91K 140K 166960K 1148 0 subproc 104 6K 6K 166960K 377 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 224 0 in_multi 87 6K 7K 166960K 353 0 ether_multi 1 0K 0K 166960K 3 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 247 1102K 1102K 166960K 247 0 exec 0 0K 1K 166960K 833 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 238 72K 91K 166960K 8852 0 UVM aobj 116 3K 3K 166960K 116 0 pinsyscall 43 86K 104K 166960K 2539 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 41 0 NDP 13 0K 1K 166960K 103 0 temp 50 6817K 6886K 166960K 23896 0 kqueue 14 22K 26K 166960K 120 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 120 107 0 104 1 0 1 1 0 8 0 rtentry 112 388 0 285 4 0 4 4 0 8 0 unpcb 144 574 0 551 10 4 6 6 0 8 5 syncache 336 6 0 6 3 2 1 1 0 8 1 tcpqe 32 4 0 4 2 1 1 1 0 8 1 tcpcb 808 384 0 376 27 25 2 20 0 8 1 arp 120 72 0 55 1 0 1 1 0 8 0 inpcb 336 1312 0 1293 34 26 8 21 0 8 6 nd6 136 100 0 76 1 0 1 1 0 8 0 pkpcb 40 2 0 1 1 0 1 1 0 8 0 kcovpl 48 29 0 21 1 0 1 1 0 8 0 ppxss 1168 7 0 6 3 2 1 1 0 8 0 pffrag 232 4 0 0 1 0 1 1 0 482 0 pffrnode 88 4 0 0 1 0 1 1 0 8 0 pffrent 40 6 0 2 1 0 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfrktable 1344 1 0 1 1 0 1 1 0 8 1 pfstitem 24 23 0 17 1 0 1 1 0 8 0 pfstkey 128 23 0 17 1 0 1 1 0 8 0 pfstate 376 23 0 17 3 1 2 3 0 8 1 pfrule 1344 28 0 19 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1439 0 1021 31 1 30 30 0 8 0 art_table 32 1440 0 1021 4 0 4 4 0 8 0 art_node 16 385 0 296 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 5 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 24 0 14 1 0 1 1 0 8 0 shmpl 112 113 0 0 4 0 4 4 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2498 0 954 97 0 97 97 0 8 0 ffsino 272 2498 0 954 104 0 104 104 0 8 0 nchpl 144 3421 0 2842 64 31 33 64 0 8 8 uvmvnodes 80 3228 0 0 66 0 66 66 0 8 0 vnodes 216 3228 0 0 180 0 180 180 0 8 0 namei 1024 13951 0 13951 2 1 1 2 0 8 1 percpumem 16 78 0 31 1 0 1 1 0 8 0 kstatmem 264 88 0 62 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 1 0 1 0 8 0 scxspl 216 20612 0 20612 10 9 1 8 1 8 1 plimitpl 152 379 0 360 1 0 1 1 0 8 0 sigapl 424 1194 0 1123 10 1 9 9 0 8 0 futexpl 64 7799 0 7798 3 2 1 1 0 8 0 knotepl 120 599 0 0 18 1 17 18 0 8 0 kqueuepl 216 194 0 184 3 2 1 3 0 8 0 pipepl 320 216 0 189 3 0 3 3 0 8 0 fdescpl 496 1154 0 1122 6 1 5 5 0 8 0 filepl 152 7069 0 6789 37 18 19 22 0 8 7 lockfpl 104 250 0 247 1 0 1 1 0 8 0 lockfspl 48 88 0 85 1 0 1 1 0 8 0 sessionpl 144 45 0 36 1 0 1 1 0 8 0 pgrppl 48 78 0 61 1 0 1 1 0 8 0 ucredpl 104 1129 0 1116 1 0 1 1 0 8 0 zombiepl 144 1124 0 1123 1 0 1 1 0 8 0 processpl 1160 1194 0 1123 7 1 6 6 0 8 0 procpl 648 1975 0 1896 9 1 8 8 0 8 0 srpgc 96 6 0 6 2 1 1 1 0 8 1 sosppl 168 1 0 1 1 1 0 1 0 8 0 sockpl 664 2006 0 1961 41 29 12 23 0 8 8 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 245 0 0 31 0 31 31 0 8 0 mtagpl 96 68 0 0 2 0 2 2 0 8 0 mbufpl 256 1067 0 0 64 0 64 64 0 8 0 bufpl 280 6904 0 732 441 0 441 441 0 8 0 anonpl 24 214861 0 211332 58 7 51 51 0 185 25 amapchunkpl 152 28146 0 27640 34 3 31 31 0 158 9 amappl16 200 4569 0 4540 19 4 15 15 0 8 12 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 167 0 154 1 0 1 1 0 8 0 amappl13 176 10 0 10 1 1 0 1 0 8 0 amappl12 168 2153 0 2122 2 0 2 2 0 8 0 amappl11 160 53 0 39 1 0 1 1 0 8 0 amappl10 152 12 0 12 1 1 0 1 0 8 0 amappl9 144 141 0 141 1 1 0 1 0 8 0 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 148 0 136 1 0 1 1 0 8 0 amappl6 120 375 0 374 1 0 1 1 0 8 0 amappl5 112 219 0 207 1 0 1 1 0 8 0 amappl4 104 412 0 392 1 0 1 1 0 8 0 amappl3 96 5096 0 4994 3 0 3 3 0 8 0 amappl2 88 1423 0 1344 2 0 2 2 0 8 0 amappl1 80 11817 0 11223 17 2 15 15 0 8 0 amappl 88 8299 0 8122 6 1 5 5 0 92 0 dma16384 16384 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 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 72 115 0 0 3 0 3 3 0 8 0 uaddrrnd 24 1155 0 1123 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1155 0 1123 1 0 1 1 0 8 0 vmmpekpl 168 11583 0 11527 4 0 4 4 0 8 0 vmmpepl 168 78005 0 76067 101 5 96 96 0 357 9 vmsppl 440 1154 0 1123 6 2 4 5 0 8 0 rwobjpl 56 28273 0 23975 63 1 62 62 0 8 1 pdppl 4096 2317 0 2246 131 60 71 85 0 8 0 pvpl 32 28145 0 0 227 0 227 227 0 265 0 pmappl 248 1154 0 1123 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 539 0 120 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace arp_rtrequest(ffff8000011a7000,1,fffffd806bd15010) at arp_rtrequest+0x660 arprequest sys/netinet/if_ether.c:281 [inline] arp_rtrequest(ffff8000011a7000,1,fffffd806bd15010) at arp_rtrequest+0x660 sys/netinet/if_ether.c:184 rtrequest(1,ffff8000371b1f08,1,ffff8000371b1fb0,0) at rtrequest+0xbdc sys/net/route.c:1103 rt_ifa_add(ffff8000011c5a00,240004,ffff8000011c5a58,0) at rt_ifa_add+0x22e sys/net/route.c:1273 rt_ifa_addlocal(ffff8000011c5a00) at rt_ifa_addlocal+0x1d2 sys/net/route.c:1381 in_ifinit(ffff8000011a7000,ffff8000011c5a00,ffff8000371b2270,1) at in_ifinit+0x26c sys/netinet/in.c:669 in_ioctl_change_ifaddr(8040691a,ffff8000371b2260,ffff8000011a7000) at in_ioctl_change_ifaddr+0x92c sys/netinet/in.c:504 ifioctl(ffff8000012b6570,8040691a,ffff8000371b2260,ffff8000371c67d8) at ifioctl+0x1571 pru_control sys/sys/protosw.h:355 [inline] ifioctl(ffff8000012b6570,8040691a,ffff8000371b2260,ffff8000371c67d8) at ifioctl+0x1571 sys/net/if.c:2449 sys_ioctl(ffff8000371c67d8,ffff8000371b2440,ffff8000371b2390) at sys_ioctl+0x67c syscall(ffff8000371b2440) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371b2440) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2fbea6176f0, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) 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: 0x77bfdf675170, count: 12 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) 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: 0x77bfdf675170, count: -3