panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 26487 5000 0 0x14000 0x200 0 softnet db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825a0385) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff82b7e900,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd8071bb0c70) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd8071bb0c70) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd8071bb0b58) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff800021116d78,ffff800021116d84,3a,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224 icmp6_input(ffff800021116d78,ffff800021116d84,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 ip_deliver(ffff800021116d78,ffff800021116d84,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff800021116d78,ffff800021116d84,29,0,ffff800000689000) at ip6_input_if+0x920 ipv6_input(ffff800000689000,fffffd80670dfd00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff800000689000,fffffd80670dfd00,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff800000689000,fffffd80670dfd00) at loinput+0x4c sys/net/if_loop.c:238 if_input_process(ffff800000689000,ffff800021116eb8) at if_input_process+0xd2 sys/net/if.c:843 end trace frame: 0xffff800021116f00, count: 0 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: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825a0385) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff82b7e900,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd8071bb0c70) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd8071bb0c70) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd8071bb0b58) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff800021116d78,ffff800021116d84,3a,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224 icmp6_input(ffff800021116d78,ffff800021116d84,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 ip_deliver(ffff800021116d78,ffff800021116d84,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff800021116d78,ffff800021116d84,29,0,ffff800000689000) at ip6_input_if+0x920 ipv6_input(ffff800000689000,fffffd80670dfd00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff800000689000,fffffd80670dfd00,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff800000689000,fffffd80670dfd00) at loinput+0x4c sys/net/if_loop.c:238 if_input_process(ffff800000689000,ffff800021116eb8) at if_input_process+0xd2 sys/net/if.c:843 ifiq_process(ffff800000689450) at ifiq_process+0x80 sys/net/ifq.c:773 taskq_thread(ffff80000002c000) at taskq_thread+0xe5 sys/kern/kern_task.c:449 end trace frame: 0x0, count: -16 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800021116780 rbx 0xffffffff82949bff cpu_info_full_primary+0x2bff rdx 0 rcx 0 rax 0xffff8000210f82a0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x3ad21bd421e731d r11 0x4dfae6c36c39118e r12 0xffffffff82949a00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff81828e88 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021116770 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (softnet) pid=26487 stat=onproc flags process=14000 proc=200 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000210f8a80,0xffff8000210f8010 process=0xffff8000ffffd8f0 user=0xffff800021112000, vmspace=0xffffffff82a51330 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 20826 380115 20962 0 2 0 syz-executor.4 20826 517681 20962 0 3 0x4000080 fsleep syz-executor.4 93146 482611 14844 0 2 0 syz-executor.7 93146 419661 14844 0 3 0x4000080 kqread syz-executor.7 13577 120339 45715 0 3 0x80 nanoslp syz-executor.0 13577 290972 45715 0 3 0x4000080 netio syz-executor.0 13577 63859 45715 0 3 0x4000080 fsleep syz-executor.0 30402 284583 7381 0 3 0x80 nanoslp syz-executor.1 30402 11960 7381 0 3 0x4000080 netio syz-executor.1 30402 201744 7381 0 3 0x4000080 fsleep syz-executor.1 30402 477361 7381 0 3 0x4000080 fsleep syz-executor.1 2992 487104 1416 0 2 0 syz-executor.3 2992 286072 1416 0 3 0x4000080 netio syz-executor.3 2992 516219 1416 0 3 0x4000080 netio syz-executor.3 16661 69061 60841 0 2 0 syz-executor.5 16661 292653 60841 0 3 0x4000080 netio syz-executor.5 48215 96669 53640 0 2 0 syz-executor.2 48215 321594 53640 0 2 0x4000000 syz-executor.2 48215 337160 53640 0 3 0x4000080 fsleep syz-executor.2 7381 203399 81841 0 3 0x82 nanoslp syz-executor.1 60055 290655 81841 0 3 0x82 nanoslp syz-executor.6 14844 65659 81841 0 3 0x82 nanoslp syz-executor.7 60841 271064 81841 0 3 0x82 nanoslp syz-executor.5 45715 406247 81841 0 3 0x82 nanoslp syz-executor.0 69064 225268 0 0 3 0x14280 nfsidl nfsio 93528 207170 0 0 3 0x14280 nfsidl nfsio 97163 287887 0 0 3 0x14280 nfsidl nfsio 19558 129297 0 0 3 0x14280 nfsidl nfsio 55651 501683 0 0 3 0x14280 nfsidl nfsio 77185 187508 0 0 3 0x14280 nfsidl nfsio 13580 291033 0 0 3 0x14280 nfsidl nfsio 14320 440787 0 0 3 0x14280 nfsidl nfsio 15874 277887 0 0 3 0x14280 nfsidl nfsio 12528 279497 0 0 3 0x14280 nfsidl nfsio 21416 107693 0 0 3 0x14280 nfsidl nfsio 30362 261625 0 0 3 0x14280 nfsidl nfsio 93990 475021 0 0 3 0x14280 nfsidl nfsio 5497 273328 0 0 3 0x14280 nfsidl nfsio 89037 20512 0 0 3 0x14280 nfsidl nfsio 76290 21871 0 0 3 0x14280 nfsidl nfsio 78818 278869 0 0 3 0x14280 nfsidl nfsio 2603 313902 0 0 3 0x14280 nfsidl nfsio 85288 400765 0 0 3 0x14280 nfsidl nfsio 19294 272183 0 0 3 0x14280 nfsidl nfsio 42920 361499 0 0 3 0x14200 bored sosplice 53640 259054 81841 0 3 0x82 nanoslp syz-executor.2 20962 60066 81841 0 3 0x82 nanoslp syz-executor.4 1416 20400 81841 0 3 0x82 nanoslp syz-executor.3 81841 393106 45900 0 3 0x82 thrsleep syz-fuzzer 81841 359119 45900 0 3 0x4000082 thrsleep syz-fuzzer 81841 77134 45900 0 3 0x4000082 thrsleep syz-fuzzer 81841 130694 45900 0 3 0x4000082 thrsleep syz-fuzzer 81841 115528 45900 0 3 0x4000082 thrsleep syz-fuzzer 81841 15752 45900 0 3 0x4000082 thrsleep syz-fuzzer 81841 287855 45900 0 3 0x4000082 kqread syz-fuzzer 81841 37384 45900 0 3 0x4000082 thrsleep syz-fuzzer 81841 118120 45900 0 3 0x4000082 thrsleep syz-fuzzer 81841 296002 45900 0 3 0x4000082 thrsleep syz-fuzzer 45900 226939 79784 0 3 0x10008a sigsusp ksh 79784 404857 67458 0 3 0x9a kqread sshd 3528 1691 1 0 3 0x100083 ttyin getty 67458 50643 1 0 3 0x88 kqread sshd 41803 109101 41198 74 3 0x1100092 bpf pflogd 41198 39949 1 0 3 0x80 netio pflogd 13521 276951 41106 73 3 0x1100090 kqread syslogd 41106 393924 1 0 3 0x100082 netio syslogd 48240 238277 1 0 3 0x100080 kqread resolvd 6609 137309 34405 77 3 0x100092 kqread dhcpleased 16768 511442 34405 77 3 0x100092 kqread dhcpleased 34405 391719 1 0 3 0x80 kqread dhcpleased 24 359759 0 0 3 0x14200 bored smr 72379 149549 0 0 2 0x14200 zerothread 77492 225923 0 0 3 0x14200 aiodoned aiodoned 72611 30254 0 0 3 0x14200 syncer update 11507 47867 0 0 3 0x14200 cleaner cleaner 93914 432029 0 0 3 0x14200 reaper reaper 153 50300 0 0 3 0x14200 pgdaemon pagedaemon 22156 178787 0 0 3 0x14200 bored viomb 61247 407316 0 0 3 0x40014200 acpi0 acpi0 92902 463895 0 0 7 0x40014200 idle1 * 5000 26487 0 0 7 0x14200 softnet 72535 235389 0 0 3 0x14200 bored systqmp 2430 74407 0 0 3 0x14200 bored systq 36040 111817 0 0 3 0x40014200 bored softclock 37599 447263 0 0 3 0x40014200 idle0 1 372169 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &table->inpt_mtx r = 0 (0xffffffff82b7fb80) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 rip6_input+0x1cf #4 icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 #5 ip_deliver+0x322 sys/netinet/ip_input.c:657 #6 ip6_input_if+0x920 #7 ipv6_input+0x48 sys/netinet6/ip6_input.c:169 #8 if_input_local+0x136 sys/net/if.c:778 #9 loinput+0x4c sys/net/if_loop.c:238 #10 if_input_process+0xd2 sys/net/if.c:843 #11 ifiq_process+0x80 sys/net/ifq.c:773 #12 taskq_thread+0xe5 sys/kern/kern_task.c:449 #13 proc_trampoline+0x1c Process 5000 (softnet) thread 0xffff8000210f82a0 (26487) exclusive rwlock netlock r = 0 (0xffffffff82980490) #0 witness_lock+0x44d #1 if_input_process+0xa1 sys/net/if.c:843 #2 ifiq_process+0x80 sys/net/ifq.c:773 #3 taskq_thread+0xe5 sys/kern/kern_task.c:449 #4 proc_trampoline+0x1c shared rwlock softnet r = 0 (0xffff80000002c070) #0 witness_lock+0x44d #1 taskq_thread+0xca sys/kern/kern_task.c:445 #2 proc_trampoline+0x1c exclusive mutex &table->inpt_mtx r = 0 (0xffffffff82b7fb80) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 rip6_input+0x1cf #4 icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 #5 ip_deliver+0x322 sys/netinet/ip_input.c:657 #6 ip6_input_if+0x920 #7 ipv6_input+0x48 sys/netinet6/ip6_input.c:169 #8 if_input_local+0x136 sys/net/if.c:778 #9 loinput+0x4c sys/net/if_loop.c:238 #10 if_input_process+0xd2 sys/net/if.c:843 #11 ifiq_process+0x80 sys/net/ifq.c:773 #12 taskq_thread+0xe5 sys/kern/kern_task.c:449 #13 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10199 6486K 6917K 78643K 17742 0 pcb 15 12K 14K 78643K 572 0 rtable 190 10K 11K 78643K 874 0 ifaddr 88 18K 19K 78643K 525 0 sysctl 2 0K 0K 78643K 2 0 counters 54 35K 35K 78643K 126 0 ioctlops 0 0K 4K 78643K 2601 0 iov 0 0K 16K 78643K 235 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1395 87K 87K 78643K 3428 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 23 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 254 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 17 61K 81K 78643K 3777 0 sigio 0 0K 0K 78643K 19 0 proc 70 87K 123K 78643K 816 0 subproc 104 6K 6K 78643K 169 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 1 0K 0K 78643K 146 0 in_multi 74 4K 6K 78643K 262 0 ether_multi 1 0K 0K 78643K 26 0 mrt 2 0K 0K 78643K 14 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 157 705K 705K 78643K 157 0 exec 0 0K 2K 78643K 1427 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 500 739K 755K 78643K 50530 0 UVM aobj 131 4K 4K 78643K 138 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 147 0 NDP 13 0K 1K 78643K 80 0 temp 140 4723K 4788K 78643K 31145 0 kqueue 12 18K 29K 78643K 294 0 SYN cache 2 16K 16K 78643K 2 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 120 275 0 272 5 4 1 3 0 8 0 rtentry 112 281 0 205 4 0 4 4 0 8 0 unpcb 136 9832 0 9743 62 58 4 10 0 8 0 syncache 296 16 0 16 6 6 0 1 0 8 0 tcpqe 32 88 0 88 5 5 0 1 0 8 0 tcpcb 736 1537 0 1532 62 55 7 13 0 8 6 arp 120 32 0 16 1 0 1 1 0 8 0 inpcb 312 3509 0 3492 62 53 9 14 0 8 7 rttmr 72 3 0 3 1 1 0 1 0 8 0 nd6 48 46 0 30 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 1 0 1 0 8 0 kcovpl 48 13 0 5 1 0 1 1 0 8 0 ppxss 1248 9 0 9 2 1 1 1 0 8 1 pfstscr 40 5 0 5 1 1 0 1 0 8 0 pffrag 232 3 0 3 1 1 0 1 0 482 0 pffrnode 88 3 0 3 1 1 0 1 0 8 0 pffrent 40 11 0 11 1 1 0 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 20 0 14 1 0 1 1 0 8 0 pftag 88 8 0 4 1 0 1 1 0 8 0 pfqueue 264 3 0 3 1 1 0 1 0 8 0 pfstitem 24 38 0 36 1 0 1 1 0 8 0 pfstkey 112 48 0 46 1 0 1 1 0 8 0 pfstate 320 43 0 41 2 1 1 2 0 8 0 pfrule 1360 402 0 381 3 1 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1068 0 724 31 8 23 29 0 8 0 art_table 32 1069 0 724 4 0 4 4 0 8 0 art_node 16 276 0 209 1 0 1 1 0 8 0 sysvmsgpl 40 40 0 0 1 0 1 1 0 8 0 semupl 112 5 0 5 2 2 0 1 0 8 0 semapl 112 252 0 242 1 0 1 1 0 8 0 shmpl 112 135 0 7 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 6269 0 4820 91 0 91 91 0 8 0 ffsino 272 6269 0 4820 97 0 97 97 0 8 0 nchpl 144 11493 0 9865 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 42908 0 42908 4 3 1 2 0 8 1 percpumem 16 75 0 36 1 0 1 1 0 8 0 vcpupl 2048 83 0 0 11 0 11 11 0 8 0 vmpool 560 95 0 12 7 1 6 7 0 8 0 pfiaddrpl 120 10 0 3 3 2 1 1 0 8 0 scxspl 216 40390 0 40390 17 16 1 8 0 8 1 plimitpl 152 845 0 830 1 0 1 1 0 8 0 sigapl 424 4091 0 4025 8 0 8 8 0 8 0 futexpl 64 34533 0 34528 3 2 1 1 0 8 0 knotepl 120 354 0 0 10 0 10 10 0 8 0 kqueuepl 216 1231 0 1221 23 18 5 5 0 8 4 pipepl 336 1032 0 1004 36 33 3 13 0 8 0 fdescpl 496 4056 0 4026 5 0 5 5 0 8 0 filepl 152 35327 0 35005 98 82 16 25 0 8 3 lockfpl 104 1773 0 1771 6 5 1 2 0 8 0 lockfspl 48 510 0 508 1 0 1 1 0 8 0 sessionpl 144 29 0 12 1 0 1 1 0 8 0 pgrppl 48 29 0 12 1 0 1 1 0 8 0 ucredpl 96 3314 0 3301 1 0 1 1 0 8 0 zombiepl 144 4026 0 4025 2 1 1 1 0 8 0 processpl 1064 4091 0 4025 5 0 5 5 0 8 0 procpl 672 11462 0 11375 13 5 8 9 0 8 0 srpgc 96 8 0 8 3 3 0 1 0 8 0 sosppl 168 35 0 35 6 6 0 1 0 8 0 sockpl 480 13627 0 13521 420 406 14 36 0 8 0 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 13 0 0 2 0 2 2 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 9 0 0 1 0 1 1 0 8 0 mcl8k 8192 16 0 0 2 0 2 2 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 256 0 0 20 0 20 20 0 8 0 mtagpl 96 528 0 0 11 0 11 11 0 8 0 mbufpl 256 923 0 0 50 2 48 48 0 8 0 bufpl 288 9710 0 3374 453 0 453 453 0 8 0 anonpl 24 1247025 0 1228064 261 122 139 169 0 186 5 amapchunkpl 152 130281 0 129348 90 53 37 57 0 158 0 amappl16 200 16082 0 15497 136 96 40 56 0 8 8 amappl15 192 1207 0 1199 1 0 1 1 0 8 0 amappl14 184 6 0 5 1 0 1 1 0 8 0 amappl13 176 622 0 618 1 0 1 1 0 8 0 amappl12 168 715 0 710 1 0 1 1 0 8 0 amappl11 160 480 0 465 1 0 1 1 0 8 0 amappl10 152 915 0 907 1 0 1 1 0 8 0 amappl9 144 531 0 527 1 0 1 1 0 8 0 amappl8 136 779 0 699 3 0 3 3 0 8 0 amappl7 128 140 0 127 1 0 1 1 0 8 0 amappl6 120 287 0 259 2 1 1 2 0 8 0 amappl5 112 3650 0 3623 1 0 1 1 0 8 0 amappl4 104 1832 0 1803 2 0 2 2 0 8 0 amappl3 96 1530 0 1514 1 0 1 1 0 8 0 amappl2 88 1484 0 1432 3 1 2 3 0 8 0 amappl1 80 76637 0 76019 22 8 14 19 0 8 0 amappl 88 49805 0 49479 8 0 8 8 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 72 137 0 7 3 0 3 3 0 8 0 uaddrrnd 24 4151 0 4038 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4151 0 4038 1 0 1 1 0 8 0 vmmpekpl 168 35945 0 35877 4 0 4 4 0 8 0 vmmpepl 168 376178 0 373352 225 60 165 168 0 357 36 vmsppl 368 4150 0 4038 12 1 11 11 0 8 0 rwobjpl 56 102788 0 95034 119 6 113 114 0 8 1 pdppl 4096 8309 0 8159 349 197 152 154 0 8 2 pvpl 32 2150597 0 2126810 397 161 236 294 0 265 20 pmappl 248 4150 0 4038 8 0 8 8 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 1298 0 355 28 0 28 28 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(ffffffff825a0385) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff82b7e900,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82b7e6f8) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd8071bb0c70) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd8071bb0c70) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd8071bb0b58) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff800021116d78,ffff800021116d84,3a,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224 icmp6_input(ffff800021116d78,ffff800021116d84,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 ip_deliver(ffff800021116d78,ffff800021116d84,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff800021116d78,ffff800021116d84,29,0,ffff800000689000) at ip6_input_if+0x920 ipv6_input(ffff800000689000,fffffd80670dfd00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff800000689000,fffffd80670dfd00,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff800000689000,fffffd80670dfd00) at loinput+0x4c sys/net/if_loop.c:238 if_input_process(ffff800000689000,ffff800021116eb8) at if_input_process+0xd2 sys/net/if.c:843 ifiq_process(ffff800000689450) at ifiq_process+0x80 sys/net/ifq.c:773 taskq_thread(ffff80000002c000) at taskq_thread+0xe5 sys/kern/kern_task.c:449 end trace frame: 0x0, count: -16 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