panic: ffs_valloc: dup alloc Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *115780 73431 0 0 0x4000000 0K syz-executor 444914 97287 0 0 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8342fdb0) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806c6e5bb8,8184,fffffd80097fd680,ffff80003c4355f0) at ffs_inode_alloc+0x94e ufs_makeinode(8184,fffffd806bb5e5f8,ffff80003c435928,ffff80003c435958) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 ufs_create(ffff80003c4356a0) at ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147 VOP_CREATE(fffffd806bb5e5f8,ffff80003c435928,ffff80003c435958,ffff80003c435720) at VOP_CREATE+0xfe sys/kern/vfs_vops.c:103 vn_open(ffff80003c4358f8,201,184) at vn_open+0x50d sys/kern/vfs_vnops.c:118 doopenat(ffff80003c478fc0,ffffff9c,2000000000c0,200,186,0,7784c3016be20d2d) at doopenat+0x35b sys/kern/vfs_syscalls.c:1155 sys_open(ffff80003c478fc0,ffff80003c435bb0,ffff80003c435b00) at sys_open+0x59 sys/kern/vfs_syscalls.c:1063 syscall(ffff80003c435bb0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c435bb0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb636ac26800, count: 4 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: ffs_valloc: dup alloc ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8342fdb0) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806c6e5bb8,8184,fffffd80097fd680,ffff80003c4355f0) at ffs_inode_alloc+0x94e ufs_makeinode(8184,fffffd806bb5e5f8,ffff80003c435928,ffff80003c435958) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 ufs_create(ffff80003c4356a0) at ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147 VOP_CREATE(fffffd806bb5e5f8,ffff80003c435928,ffff80003c435958,ffff80003c435720) at VOP_CREATE+0xfe sys/kern/vfs_vops.c:103 vn_open(ffff80003c4358f8,201,184) at vn_open+0x50d sys/kern/vfs_vnops.c:118 doopenat(ffff80003c478fc0,ffffff9c,2000000000c0,200,186,0,7784c3016be20d2d) at doopenat+0x35b sys/kern/vfs_syscalls.c:1155 sys_open(ffff80003c478fc0,ffff80003c435bb0,ffff80003c435b00) at sys_open+0x59 sys/kern/vfs_syscalls.c:1063 syscall(ffff80003c435bb0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c435bb0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb636ac26800, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c435380 rbx 0xffffffff83953e07 cpu_info_full_primary+0x2e07 rdx 0xffff8000015efb80 rcx 0xffff80003c478fc0 rax 0xffffffff83952ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xd4d438507d8985c9 r11 0xa21d2fcc4370a8ab r12 0xffffffff83953c08 cpu_info_full_primary+0x2c08 r13 0 r14 0 r15 0x1 rip 0xffffffff823a8d45 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c435370 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=115780 pid=73431 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=73, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000397c8d20,0xffff80003afd8fc0 process=0xffff80003c4a0028 user=0xffff80003c430000, vmspace=0xfffffd806c6a7208 estcpu=23, cpticks=3, pctcpu=0.3, user=0, sys=3, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 73431 281271 92046 0 2 0 syz-executor *73431 115780 92046 0 7 0x4000000 syz-executor 73431 176825 92046 0 3 0x4000080 fsleep syz-executor 97287 444914 67968 0 7 0 syz-executor 97287 430918 67968 0 2 0x4000000 syz-executor 97287 36827 67968 0 3 0x4000080 fsleep syz-executor 95144 118303 0 0 3 0x14280 nfsidl nfsio 5571 507442 0 0 3 0x14280 nfsidl nfsio 98205 390875 0 0 3 0x14280 nfsidl nfsio 27494 93000 0 0 3 0x14280 nfsidl nfsio 83250 245672 0 0 3 0x14280 nfsidl nfsio 12978 150273 0 0 3 0x14280 nfsidl nfsio 44718 435543 0 0 3 0x14280 nfsidl nfsio 76792 480704 0 0 3 0x14280 nfsidl nfsio 7640 105616 0 0 3 0x14280 nfsidl nfsio 81925 401155 0 0 3 0x14280 nfsidl nfsio 70558 211476 0 0 3 0x14280 nfsidl nfsio 39744 313121 0 0 3 0x14280 nfsidl nfsio 72217 438960 0 0 3 0x14280 nfsidl nfsio 58943 186284 0 0 3 0x14280 nfsidl nfsio 25893 217067 0 0 3 0x14280 nfsidl nfsio 12040 301228 0 0 3 0x14280 nfsidl nfsio 32386 391055 0 0 3 0x14280 nfsidl nfsio 41149 462782 0 0 3 0x14280 nfsidl nfsio 88183 43876 0 0 3 0x14280 nfsidl nfsio 68216 340633 0 0 3 0x14280 nfsidl nfsio 92046 35121 29431 0 3 0x82 nanoslp syz-executor 77265 397196 29431 0 3 0x82 piperd syz-executor 67968 226887 29431 0 3 0x82 nanoslp syz-executor 27190 417144 29431 0 3 0x82 piperd syz-executor 29431 428410 31670 0 3 0x82 wait syz-executor 31670 237606 33333 0 3 0x10008a sigsusp ksh 33333 350137 61169 0 3 0x98 kqread sshd-session 61169 304833 31961 0 3 0x92 kqread sshd-session 48191 408820 1 0 3 0x100083 ttyin getty 31961 500480 1 0 3 0x88 kqread sshd 97699 161351 14275 74 3 0x1100092 bpf pflogd 14275 370557 1 0 3 0x80 sbwait pflogd 48575 50428 77586 73 3 0x1100090 kqread syslogd 77586 254696 1 0 3 0x100082 sbwait syslogd 21994 458080 1 0 3 0x100080 kqread resolvd 12828 110892 30596 77 3 0x100092 kqread dhcpleased 8449 410505 30596 77 3 0x100092 kqread dhcpleased 30596 201005 1 0 3 0x80 kqread dhcpleased 17124 207461 0 0 3 0x14200 bored smr 63312 349887 0 0 2 0x14200 zerothread 17639 51606 0 0 3 0x14200 aiodoned aiodoned 97100 392174 0 0 3 0x14200 syncer update 85206 178283 0 0 3 0x14200 cleaner cleaner 34917 171047 0 0 3 0x14200 reaper reaper 93486 488709 0 0 3 0x14200 pgdaemon pagedaemon 38509 98443 0 0 3 0x14200 bored viomb 40305 479127 0 0 3 0x40014200 acpi0 acpi0 97252 472560 0 0 3 0x40014200 idle1 94358 117730 0 0 3 0x14200 bored softnet1 86762 462066 0 0 3 0x14200 bored softnet0 32915 211355 0 0 3 0x14200 smrbar systqmp 37874 10184 0 0 3 0x14200 bored systq 36501 507275 0 0 3 0x14200 tmoslp softclockmp 39874 438468 0 0 3 0x40014200 tmoslp softclock 16429 336852 0 0 3 0x40014200 idle0 1 301863 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 73431 (syz-executor) thread 0xffff80003c478fc0 (115780) exclusive rrwlock inode r = 0 (0xfffffd806c6e58e0) #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 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 #8 ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147 #9 VOP_CREATE+0xfe sys/kern/vfs_vops.c:103 #10 vn_open+0x50d sys/kern/vfs_vnops.c:118 #11 doopenat+0x35b sys/kern/vfs_syscalls.c:1155 #12 sys_open+0x59 sys/kern/vfs_syscalls.c:1063 #13 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c6e5c58) #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:576 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 vn_open+0x22e sys/kern/vfs_vnops.c:109 #8 doopenat+0x35b sys/kern/vfs_syscalls.c:1155 #9 sys_open+0x59 sys/kern/vfs_syscalls.c:1063 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a75800) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 doopenat+0x340 sys/kern/vfs_syscalls.c:1155 #2 sys_open+0x59 sys/kern/vfs_syscalls.c:1063 #3 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #4 Xsyscall+0x128 Process 32915 (systqmp) thread 0xffff8000ffffe530 (211355) shared rwlock systqmp r = 0 (0xffffffff8392f398) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11052 12080K 12313K 166960K 12290 0 pcb 17 13K 14K 166960K 82 0 rtable 195 5K 6K 166960K 355 0 pf 31 17K 21K 166960K 53 0 ifaddr 35 6K 7K 166960K 45 0 ifgroup 47 2K 2K 166960K 55 0 sysctl 1 1K 9K 166960K 5 0 counters 66 36K 37K 166960K 70 0 ioctlops 0 0K 4K 166960K 1523 0 iov 0 0K 4K 166960K 4 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1351 85K 85K 166960K 1490 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 5K 166960K 6 0 VM map 2 1K 1K 166960K 2 0 sem 5 0K 0K 166960K 7 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 12 41K 89K 166960K 229 0 sigio 0 0K 0K 166960K 4 0 proc 72 115K 163K 166960K 562 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 8 0 in_multi 77 5K 7K 166960K 103 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 452 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 197 159K 169K 166960K 3965 0 UVM aobj 9 3K 3K 166960K 10 0 pinsyscall 37 74K 106K 166960K 1366 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 7 0 NDP 10 0K 2K 166960K 28 0 temp 37 9070K 9136K 166960K 5332 0 kqueue 13 20K 26K 166960K 35 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 40 0 37 1 0 1 1 0 8 0 rtentry 176 112 0 23 5 0 5 5 0 8 0 unpcb 144 90 0 71 1 0 1 1 0 8 0 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 736 36 0 30 1 0 1 1 0 8 0 arp 136 18 0 4 1 0 1 1 0 8 0 inpcb 328 194 0 183 4 0 4 4 0 8 3 nd6 152 25 0 6 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 pffrag 232 5 0 1 1 0 1 1 0 482 0 pffrnode 88 5 0 1 1 0 1 1 0 8 0 pffrent 40 6 0 2 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 pfanchor 1288 3 0 0 1 0 1 1 0 8 0 pfstitem 24 27 0 0 1 0 1 1 0 8 0 pfstkey 128 27 0 0 1 0 1 1 0 8 0 pfstate 448 27 0 0 3 0 3 3 0 8 0 pfrule 1360 22 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 455 0 44 29 0 29 29 0 8 1 art_table 40 456 0 44 5 0 5 5 0 8 0 art_node 32 112 0 21 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 4 0 1 1 0 1 1 0 8 0 shmpl 112 7 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1737 0 274 92 0 92 92 0 8 0 ffsino 296 1738 0 275 114 0 114 114 0 8 0 nchpl 144 2074 0 377 64 0 64 64 0 8 0 vnodes 216 1926 0 0 107 0 107 107 0 8 0 namei 1024 6452 0 6451 1 0 1 1 0 8 0 percpumem 16 50 0 2 1 0 1 1 0 8 0 kstatmem 264 26 0 4 2 0 2 2 0 8 0 scxspl 216 7997 0 7997 4 2 2 3 1 8 2 plimitpl 152 77 0 60 1 0 1 1 0 8 0 sigapl 424 561 0 499 8 0 8 8 0 8 0 knotepl 120 274 0 0 9 0 9 9 0 8 0 kqueuepl 224 51 0 42 2 0 2 2 0 8 1 pipepl 344 129 0 102 3 0 3 3 0 8 0 fdescpl 528 525 0 499 3 0 3 3 0 8 0 filepl 160 2265 0 2055 13 0 13 13 0 8 3 lockfpl 104 24 0 22 1 0 1 1 0 8 0 lockfspl 48 14 0 12 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 33 0 16 1 0 1 1 0 8 0 ucredpl 104 171 0 158 1 0 1 1 0 8 0 zombiepl 144 503 0 499 1 0 1 1 0 8 0 processpl 1232 561 0 499 6 0 6 6 0 8 0 procpl 664 728 0 662 8 0 8 8 0 8 1 sosppl 176 1 0 1 1 0 1 1 0 8 1 sockpl 752 328 0 295 7 0 7 7 0 8 3 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 135 0 0 17 0 17 17 0 8 0 mcl2k 2048 19 0 0 3 0 3 3 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 263 0 0 16 0 16 16 0 8 0 bufpl 280 3166 0 106 219 0 219 219 0 8 0 anonpl 32 7532 0 0 61 0 61 61 0 246 0 amapchunkpl 152 11828 0 11341 27 0 27 27 0 158 4 amappl16 200 1967 0 1950 10 1 9 9 0 8 6 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 428 0 427 1 0 1 1 0 8 0 amappl13 176 122 0 110 1 0 1 1 0 8 0 amappl12 168 775 0 750 2 0 2 2 0 8 0 amappl11 160 9 0 9 1 1 0 1 0 8 0 amappl10 152 65 0 51 1 0 1 1 0 8 0 amappl9 144 267 0 267 1 1 0 1 0 8 0 amappl8 136 98 0 96 1 0 1 1 0 8 0 amappl7 128 146 0 133 1 0 1 1 0 8 0 amappl6 120 163 0 162 1 0 1 1 0 8 0 amappl5 112 108 0 98 1 0 1 1 0 8 0 amappl4 104 287 0 264 1 0 1 1 0 8 0 amappl3 96 2092 0 2008 4 0 4 4 0 8 1 amappl2 88 521 0 462 2 0 2 2 0 8 0 amappl1 80 9615 0 9028 15 0 15 15 0 8 2 amappl 88 3238 0 3111 5 0 5 5 0 92 1 uvmvnodes 80 106 0 0 3 0 3 3 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 9 0 1 1 0 1 1 0 8 0 uaddrrnd 24 525 0 499 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 525 0 499 1 0 1 1 0 8 0 vmmpekpl 168 6044 0 6004 2 0 2 2 0 8 0 vmmpepl 168 41205 0 39572 90 0 90 90 0 357 5 vmsppl 488 524 0 499 5 0 5 5 0 8 1 rwobjpl 80 14720 0 13728 24 0 24 24 0 8 0 pdppl 4096 1057 0 998 95 24 71 83 0 8 12 pvpl 32 13871 0 0 112 0 112 112 0 265 0 pmappl 256 524 0 499 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 272 0 27 8 0 8 8 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(ffffffff8342fdb0) at panic+0x1e5 sys/kern/subr_prf.c:198 ffs_inode_alloc(fffffd806c6e5bb8,8184,fffffd80097fd680,ffff80003c4355f0) at ffs_inode_alloc+0x94e ufs_makeinode(8184,fffffd806bb5e5f8,ffff80003c435928,ffff80003c435958) at ufs_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 ufs_create(ffff80003c4356a0) at ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147 VOP_CREATE(fffffd806bb5e5f8,ffff80003c435928,ffff80003c435958,ffff80003c435720) at VOP_CREATE+0xfe sys/kern/vfs_vops.c:103 vn_open(ffff80003c4358f8,201,184) at vn_open+0x50d sys/kern/vfs_vnops.c:118 doopenat(ffff80003c478fc0,ffffff9c,2000000000c0,200,186,0,7784c3016be20d2d) at doopenat+0x35b sys/kern/vfs_syscalls.c:1155 sys_open(ffff80003c478fc0,ffff80003c435bb0,ffff80003c435b00) at sys_open+0x59 sys/kern/vfs_syscalls.c:1063 syscall(ffff80003c435bb0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c435bb0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb636ac26800, count: -11 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299bdff0) 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: 0x77eb38bc6d60, count: 12 ddb{1}> trace x86_ipi_db(ffff8000299bdff0) 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: 0x77eb38bc6d60, count: -3