login: panic: kernel diagnostic assertion "sc->sc_dev == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/net/if_tun.c", line 305 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *144441 24548 0 0 0x4000000 0K syz-executor.3 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff82579a90) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825ec6cc,ffffffff82633a76,131,ffffffff825feb3f) at __assert+0x25 sys/kern/subr_prf.c:161 tun_clone_destroy(ffff8000010b1000) at tun_clone_destroy+0x278 sys/net/if_tun.c:305 if_clone_destroy(ffff80002e50d9f0) at if_clone_destroy+0x132 sys/net/if.c:1218 soo_ioctl(fffffd8066bd0578,80206979,ffff80002e50d9f0,ffff80002af1a010) at soo_ioctl+0x26c sys_ioctl(ffff80002af1a010,ffff80002e50db08,ffff80002e50db60) at sys_ioctl+0x4a2 syscall(ffff80002e50dbd0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e50dbd0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x92f15801740, count: 6 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: kernel diagnostic assertion "sc->sc_dev == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/net/if_tun.c", line 305 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff82579a90) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825ec6cc,ffffffff82633a76,131,ffffffff825feb3f) at __assert+0x25 sys/kern/subr_prf.c:161 tun_clone_destroy(ffff8000010b1000) at tun_clone_destroy+0x278 sys/net/if_tun.c:305 if_clone_destroy(ffff80002e50d9f0) at if_clone_destroy+0x132 sys/net/if.c:1218 soo_ioctl(fffffd8066bd0578,80206979,ffff80002e50d9f0,ffff80002af1a010) at soo_ioctl+0x26c sys_ioctl(ffff80002af1a010,ffff80002e50db08,ffff80002e50db60) at sys_ioctl+0x4a2 syscall(ffff80002e50dbd0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e50dbd0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x92f15801740, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e50d800 rbx 0xffffffff828ecbff cpu_info_full_primary+0x2bff rdx 0xffff800000bed040 rcx 0 rax 0xffff80002af1a010 r8 0 r9 0x8080808080808080 r10 0xfa615fb95eae7914 r11 0x703d6b6ac3a00573 r12 0xffffffff828eca00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff82237da8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002e50d7f0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.3) pid=144441 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff80002af1aa90,0xffff80002af1b280 process=0xffff80002e4a54f0 user=0xffff80002e508000, vmspace=0xfffffd805afd1300 estcpu=33, cpticks=2, pctcpu=0.0 user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 95693 381202 31052 0 2 0 syz-executor.4 95693 363041 31052 0 2 0x4000000 syz-executor.4 83286 302365 23220 0 2 0 syz-executor.0 83286 438735 23220 0 3 0x4000080 ttyin syz-executor.0 24548 432152 4831 0 2 0 syz-executor.3 *24548 144441 4831 0 7 0x4000000 syz-executor.3 85016 331691 96608 0 2 0 syz-executor.2 16717 173707 99634 0 2 0 syz-executor.5 16717 434393 99634 0 3 0x4000080 kqread syz-executor.5 96608 394649 11659 0 2 0x482 syz-executor.2 66683 57305 0 0 3 0x14200 acct acct 23220 39281 11659 0 2 0x482 syz-executor.0 99634 194212 11659 0 2 0x482 syz-executor.5 87647 34690 1 0 3 0x100083 ttyin getty 51152 249411 11659 0 2 0x2 syz-executor.6 31052 99696 11659 0 2 0x482 syz-executor.4 70967 361804 11659 0 2 0x2 syz-executor.1 4831 270782 11659 0 2 0x482 syz-executor.3 90758 94952 0 0 3 0x14280 nfsidl nfsio 75962 361341 0 0 3 0x14280 nfsidl nfsio 3879 3172 0 0 3 0x14280 nfsidl nfsio 81601 424963 0 0 3 0x14280 nfsidl nfsio 61265 96758 0 0 3 0x14280 nfsidl nfsio 39363 36321 0 0 3 0x14280 nfsidl nfsio 46630 446643 0 0 3 0x14280 nfsidl nfsio 34191 350920 0 0 3 0x14280 nfsidl nfsio 8939 346520 0 0 3 0x14280 nfsidl nfsio 39322 18793 0 0 3 0x14280 nfsidl nfsio 23101 515335 0 0 3 0x14280 nfsidl nfsio 45606 136988 0 0 3 0x14280 nfsidl nfsio 68748 11560 0 0 3 0x14280 nfsidl nfsio 3343 208590 0 0 3 0x14280 nfsidl nfsio 96314 461006 0 0 3 0x14280 nfsidl nfsio 42570 340890 0 0 3 0x14280 nfsidl nfsio 46841 368381 0 0 3 0x14280 nfsidl nfsio 2662 193998 0 0 3 0x14280 nfsidl nfsio 565 139889 0 0 3 0x14280 nfsidl nfsio 6922 108372 0 0 3 0x14280 nfsidl nfsio 84245 454430 0 0 3 0x14200 bored sosplice 11659 492541 45589 0 3 0x82 thrsleep syz-fuzzer 11659 368638 45589 0 2 0x4000482 syz-fuzzer 11659 84044 45589 0 3 0x4000082 thrsleep syz-fuzzer 11659 117302 45589 0 3 0x4000082 thrsleep syz-fuzzer 11659 511318 45589 0 2 0x4000002 syz-fuzzer 11659 128471 45589 0 3 0x4000082 thrsleep syz-fuzzer 11659 329169 45589 0 3 0x4000082 kqread syz-fuzzer 11659 24788 45589 0 3 0x4000082 thrsleep syz-fuzzer 11659 352949 45589 0 3 0x4000082 thrsleep syz-fuzzer 11659 349671 45589 0 3 0x4000082 thrsleep syz-fuzzer 45589 97078 74523 0 3 0x10008a sigsusp ksh 74523 204586 32017 0 3 0x9a kqread sshd 32017 261871 1 0 3 0x88 kqread sshd 33297 40817 88041 74 3 0x100092 bpf pflogd 88041 387061 1 0 3 0x80 netio pflogd 9371 30789 17313 73 3 0x100090 kqread syslogd 17313 269615 1 0 3 0x100082 netio syslogd 8404 194233 1 0 3 0x100080 kqread resolvd 55070 512951 17646 77 2 0x100092 dhcpleased 30486 57154 17646 77 3 0x100092 kqread dhcpleased 17646 455258 1 0 3 0x80 kqread dhcpleased 93237 466695 0 0 3 0x14200 bored smr 98737 28291 0 0 2 0x14200 zerothread 30839 502887 0 0 3 0x14200 aiodoned aiodoned 71765 42152 0 0 3 0x14200 syncer update 69892 300978 0 0 3 0x14200 cleaner cleaner 61266 151935 0 0 3 0x14200 reaper reaper 19630 473372 0 0 3 0x14200 pgdaemon pagedaemon 42033 55804 0 0 3 0x14200 bored viomb 42672 338970 0 0 3 0x40014200 acpi0 acpi0 41490 450294 0 0 7 0x40014200 idle1 99289 100516 0 0 3 0x14200 bored softnet 56941 508194 0 0 3 0x14200 bored systqmp 72033 58823 0 0 3 0x14200 bored systq 10174 501722 0 0 2 0x40014200 softclock 89446 477166 0 0 3 0x40014200 idle0 1 412688 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 24548 (syz-executor.3) thread 0xffff80002af1a010 (144441) exclusive rwlock clonelk r = 0 (0xffffffff8298b730) #0 witness_lock+0x44d #1 if_clone_destroy+0x49 #2 soo_ioctl+0x26c #3 sys_ioctl+0x4a2 #4 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #4 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82ac44c8) #0 witness_lock+0x44d #1 soo_ioctl+0x25a sys/kern/sys_socket.c:136 #2 sys_ioctl+0x4a2 #3 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #4 Xsyscall+0x128 Process 11659 (syz-fuzzer) thread 0xffff8000ffff62b0 (511318) exclusive rrwlock inode r = 0 (0xfffffd8067cf22b8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vget+0x1d3 sys/kern/vfs_subr.c:677 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 #11 namei+0x36a sys/kern/vfs_lookup.c:245 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1849 #13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8067cf24d8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1849 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10223 6525K 14717K 78643K 72345 0 pcb 15 24K 26K 78643K 8517 0 rtable 348 50K 51K 78643K 10118 0 ifaddr 175 47K 54K 78643K 8968 0 sysctl 3 1K 2K 78643K 7 0 counters 56 35K 36K 78643K 670 0 ioctlops 0 0K 4K 78643K 22793 0 iov 0 0K 32K 78643K 4348 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1477 92K 93K 78643K 27259 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 13K 78643K 333 0 VM map 2 1K 1K 78643K 2 0 sem 16 20K 40K 78643K 5512 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 14 49K 89K 78643K 50601 0 sigio 0 0K 0K 78643K 183 0 proc 71 87K 124K 78643K 4989 0 subproc 91 5K 6K 78643K 1385 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 4061 0 in_multi 76 5K 7K 78643K 2030 0 ether_multi 1 0K 0K 78643K 318 0 mrt 1 0K 0K 78643K 145 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 247 1102K 1102K 78643K 247 0 exec 0 0K 2K 78643K 8451 0 pfkey data 0 0K 1K 78643K 11 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 853 2278K 2288K 78643K 626107 0 UVM aobj 131 8K 8K 78643K 144 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 6374 0 NDP 14 0K 1K 78643K 555 0 temp 182 4811K 8907K 78643K 358691 0 kqueue 12 18K 26K 78643K 2138 0 SYN cache 2 1K 16K 78643K 4 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 3250 0 3247 40 37 3 5 0 8 2 rtentry 112 3204 0 3118 4 0 4 4 0 8 0 unpcb 136 22803 0 22788 257 256 1 9 0 8 0 syncache 296 108 0 108 29 29 0 1 0 8 0 tcpqe 32 84 0 84 12 12 0 1 0 8 0 tcpcb 736 25432 0 25426 540 536 4 26 0 8 3 arp 120 283 0 265 1 0 1 1 0 8 0 inpcb 304 53875 0 53862 559 555 4 24 0 8 1 rttmr 72 39 0 39 9 9 0 1 0 8 0 nd6 48 379 0 358 1 0 1 1 0 8 0 pkpcb 40 142 0 142 15 14 1 1 0 8 1 kcovpl 48 105 0 98 1 0 1 1 0 8 0 ppxss 1248 131 0 131 30 30 0 1 0 8 0 pfstscr 40 148 0 148 3 3 0 1 0 8 0 pffrag 232 190 0 190 17 17 0 1 0 482 0 pffrnode 88 190 0 190 17 17 0 1 0 8 0 pffrent 40 793 0 793 19 19 0 1 0 8 0 pfosfp 40 1431 0 1007 5 0 5 5 0 8 0 pfosfpen 112 1431 0 714 21 0 21 21 0 8 0 pfrke_plain 168 6 0 6 2 1 1 1 0 8 1 pfrktable 1344 272 0 203 11 5 6 7 0 8 0 pftag 88 27 0 12 1 0 1 1 0 8 0 pfstitem 24 59 0 56 1 0 1 1 0 8 0 pfstkey 112 211 0 208 1 0 1 1 0 8 0 pfstate 320 135 0 132 2 1 1 2 0 8 0 pfrule 1360 5005 0 2267 230 1 229 229 0 8 0 art_heap8 4096 311 0 310 10 8 2 4 0 8 1 art_heap4 256 9039 0 8687 52 25 27 32 0 8 2 art_table 32 9350 0 8997 6 2 4 5 0 8 0 art_node 16 2238 0 2161 1 0 1 1 0 8 0 sysvmsgpl 40 48 0 8 1 0 1 1 0 8 0 semupl 112 9 0 9 1 1 0 1 0 8 0 semapl 112 5505 0 5491 1 0 1 1 0 8 0 shmpl 112 141 0 13 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 69348 0 67805 98 0 98 98 0 8 0 ffsino 272 69348 0 67805 104 0 104 104 0 8 0 nchpl 144 132151 0 130529 63 0 63 63 0 8 0 rtmask 32 10 0 10 2 1 1 1 0 8 1 uvmvnodes 80 9045 0 0 185 0 185 185 0 8 0 vnodes 224 9045 0 0 533 0 533 533 0 8 0 namei 1024 540404 0 540404 14 13 1 2 0 8 1 percpumem 16 347 0 307 1 0 1 1 0 8 0 vcpupl 2048 384 0 2 48 0 48 48 0 8 0 vmpool 560 447 0 65 32 4 28 28 0 8 0 pfiaddrpl 120 401 0 42 11 0 11 11 0 8 0 scsiplug 72 14 0 14 5 5 0 1 0 8 0 scxspl 216 374262 0 374262 49 48 1 8 0 8 1 plimitpl 152 3669 0 3654 1 0 1 1 0 8 0 sigapl 424 50757 0 50694 10 2 8 8 0 8 0 futexpl 64 538972 0 538972 11 10 1 1 0 8 1 knotepl 120 1111 0 0 17 7 10 10 0 8 0 kqueuepl 216 15724 0 15715 199 194 5 8 0 8 4 pipepl 336 9140 0 9113 262 259 3 11 0 8 0 fdescpl 496 50690 0 50663 7 3 4 5 0 8 0 filepl 152 392886 0 392654 446 428 18 21 0 8 7 lockfpl 104 11311 0 11309 15 14 1 2 0 8 0 lockfspl 48 4210 0 4208 1 0 1 1 0 8 0 sessionpl 144 126 0 110 1 0 1 1 0 8 0 pgrppl 48 433 0 417 1 0 1 1 0 8 0 ucredpl 96 50089 0 50065 1 0 1 1 0 8 0 zombiepl 144 50694 0 50694 7 6 1 1 0 8 1 processpl 1064 50757 0 50694 6 1 5 5 0 8 0 procpl 672 133495 0 133419 67 59 8 10 0 8 0 srpgc 96 110 0 110 20 20 0 1 0 8 0 sosppl 168 339 0 339 52 52 0 1 0 8 0 sockpl 480 80180 0 80152 1605 1593 12 40 0 8 8 mcl64k 65536 26 0 0 3 0 3 3 0 8 0 mcl16k 16384 25 0 0 4 1 3 3 0 8 0 mcl12k 12288 47 0 0 2 0 2 2 0 8 0 mcl9k 9216 19 0 0 2 1 1 2 0 8 0 mcl8k 8192 41 0 0 5 2 3 3 0 8 0 mcl4k 4096 33 0 0 3 0 3 3 0 8 0 mcl2k2 2112 13 0 0 1 0 1 1 0 8 0 mcl2k 2048 713 0 0 39 19 20 39 0 8 0 mtagpl 96 2012 0 0 23 0 23 23 0 8 0 mbufpl 256 7666 0 0 451 0 451 451 0 8 0 bufpl 288 73136 0 64090 647 0 647 647 0 8 0 anonpl 24 14183761 0 14163985 659 508 151 185 0 186 0 amapchunkpl 152 1510707 0 1509906 270 232 38 51 0 158 1 amappl16 200 145240 0 144309 290 237 53 60 0 8 0 amappl15 192 8564 0 8557 1 0 1 1 0 8 0 amappl14 184 11076 0 11066 1 0 1 1 0 8 0 amappl13 176 5452 0 5451 1 0 1 1 0 8 0 amappl12 168 7089 0 7086 2 1 1 1 0 8 0 amappl11 160 6445 0 6423 1 0 1 1 0 8 0 amappl10 152 2959 0 2951 1 0 1 1 0 8 0 amappl9 144 7151 0 7149 1 0 1 1 0 8 0 amappl8 136 7717 0 7506 9 1 8 8 0 8 0 amappl7 128 5018 0 5003 1 0 1 1 0 8 0 amappl6 120 7216 0 7188 2 1 1 2 0 8 0 amappl5 112 40468 0 40449 1 0 1 1 0 8 0 amappl4 104 16772 0 16714 2 0 2 2 0 8 0 amappl3 96 13203 0 13191 1 0 1 1 0 8 0 amappl2 88 14700 0 14622 3 1 2 3 0 8 0 amappl1 80 898951 0 898393 20 6 14 19 0 8 0 amappl 88 623146 0 622744 16 5 11 11 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 72 143 0 13 3 0 3 3 0 8 0 uaddrrnd 24 51137 0 50728 3 0 3 3 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 51137 0 50728 3 0 3 3 0 8 0 vmmpekpl 168 335829 0 335723 8 3 5 6 0 8 0 vmmpepl 168 4553396 0 4547779 867 590 277 292 0 357 11 vmsppl 368 51136 0 50728 40 2 38 38 0 8 0 rwobjpl 56 1079560 0 1068153 231 68 163 163 0 8 0 pdppl 4096 102281 0 101838 1443 992 451 452 0 8 8 pvpl 32 24149317 0 24127908 1117 902 215 288 0 265 0 pmappl 248 51136 0 50728 29 3 26 26 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 3999 0 1860 62 0 62 62 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff82579a90) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825ec6cc,ffffffff82633a76,131,ffffffff825feb3f) at __assert+0x25 sys/kern/subr_prf.c:161 tun_clone_destroy(ffff8000010b1000) at tun_clone_destroy+0x278 sys/net/if_tun.c:305 if_clone_destroy(ffff80002e50d9f0) at if_clone_destroy+0x132 sys/net/if.c:1218 soo_ioctl(fffffd8066bd0578,80206979,ffff80002e50d9f0,ffff80002af1a010) at soo_ioctl+0x26c sys_ioctl(ffff80002af1a010,ffff80002e50db08,ffff80002e50db60) at sys_ioctl+0x4a2 syscall(ffff80002e50dbd0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e50dbd0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x92f15801740, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020ce8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020ce8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800020ce8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020ce8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5