panic: pool_do_get: mbufpl free list modified: page 0xfffffd806a374000; item addr 0xfffffd806a374f00; offset 0x0=0x0 != 0x6efd57bbee55bb0e Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *122770 16188 0 0x12 0 0 sshd db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82493053) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff828d0610,2,ffff800020e62058) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828d0610,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_copym(fffffd806a374700,1144,580,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd806a374700,1144,580,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000ad8cc0) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_usrreq(fffffd806eadbaf8,9,fffffd806f574d00,0,0,ffff800020e40d50) at tcp_usrreq+0xa55 sosend(fffffd806eadbaf8,0,ffff800020e62538,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:555 dofilewritev(ffff800020e40d50,4,ffff800020e62538,0,ffff800020e62620) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020e40d50,ffff800020e625d0,ffff800020e62620) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e626a0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e626a0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe28e0, 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 pool_do_get: mbufpl free list modified: page 0xfffffd806a374000; item addr 0xfffffd806a374f00; offset 0x0=0x0 != 0x6efd57bbee55bb0e ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82493053) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff828d0610,2,ffff800020e62058) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828d0610,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_copym(fffffd806a374700,1144,580,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd806a374700,1144,580,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000ad8cc0) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_usrreq(fffffd806eadbaf8,9,fffffd806f574d00,0,0,ffff800020e40d50) at tcp_usrreq+0xa55 sosend(fffffd806eadbaf8,0,ffff800020e62538,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:555 dofilewritev(ffff800020e40d50,4,ffff800020e62538,0,ffff800020e62620) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020e40d50,ffff800020e625d0,ffff800020e62620) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e626a0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e626a0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe28e0, count: -12 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800020e61ea0 rbx 0xffff800020e61f50 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff81e2547f kprintf+0x16f r9 0x1 r10 0x2 r11 0x144757c58e0146c0 r12 0x3000000008 r13 0xffff800020e61eb0 r14 0x100 r15 0x1 rip 0xffffffff820bb618 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020e61e90 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (sshd) pid=122770 stat=onproc flags process=12 proc=0 pri=24, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020e3f760,0xffff800020e3f9e0 process=0xffff8000ffffef98 user=0xffff800020e5d000, vmspace=0xfffffd806e8eda18 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 96008 267815 0 0 3 0x14200 acct acct 30094 324670 0 0 3 0x14200 bored sosplice 71941 107901 77459 0 2 0x2 syz-executor.1 4301 286503 0 0 3 0x14280 nfsidl nfsio 17696 14274 0 0 3 0x14280 nfsidl nfsio 54639 132370 0 0 3 0x14280 nfsidl nfsio 13798 65954 0 0 3 0x14280 nfsidl nfsio 86007 323141 0 0 3 0x14280 nfsidl nfsio 87785 18097 0 0 3 0x14280 nfsidl nfsio 15967 269330 0 0 3 0x14280 nfsidl nfsio 59021 255636 0 0 3 0x14280 nfsidl nfsio 20380 24101 0 0 3 0x14280 nfsidl nfsio 73006 168525 0 0 3 0x14280 nfsidl nfsio 56829 412751 0 0 3 0x14280 nfsidl nfsio 38550 263951 0 0 3 0x14280 nfsidl nfsio 31011 400721 0 0 3 0x14280 nfsidl nfsio 34480 209634 0 0 3 0x14280 nfsidl nfsio 55333 496450 0 0 3 0x14280 nfsidl nfsio 97873 212089 0 0 3 0x14280 nfsidl nfsio 90079 325167 0 0 3 0x14280 nfsidl nfsio 69976 121597 0 0 3 0x14280 nfsidl nfsio 35963 516965 0 0 3 0x14280 nfsidl nfsio 63982 226524 0 0 3 0x14280 nfsidl nfsio 94684 85719 77459 0 3 0x82 piperd syz-executor.0 77459 388800 37965 0 3 0x82 thrsleep syz-fuzzer 77459 318233 37965 0 3 0x4000082 nanosleep syz-fuzzer 77459 49854 37965 0 3 0x4000082 thrsleep syz-fuzzer 77459 359811 37965 0 3 0x4000082 thrsleep syz-fuzzer 77459 287996 37965 0 3 0x4000082 thrsleep syz-fuzzer 77459 389843 37965 0 3 0x4000082 thrsleep syz-fuzzer 77459 21923 37965 0 2 0x4000002 syz-fuzzer 77459 94195 37965 0 3 0x4000082 thrsleep syz-fuzzer 77459 449301 37965 0 2 0x4000002 syz-fuzzer 77459 368172 37965 0 3 0x4000082 thrsleep syz-fuzzer 37965 21694 16188 0 3 0x10008a pause ksh *16188 122770 31188 0 7 0x12 sshd 83876 224170 1 0 3 0x100083 ttyin getty 31188 456122 1 0 3 0x80 select sshd 68241 24925 87189 74 3 0x100092 bpf pflogd 87189 315660 1 0 3 0x80 netio pflogd 64453 10366 64662 73 3 0x100090 kqread syslogd 64662 409596 1 0 3 0x100082 netio syslogd 33304 123408 1 77 3 0x100090 poll dhclient 16010 384860 1 0 3 0x80 poll dhclient 13426 167598 0 0 3 0x14200 bored smr 56726 119735 0 0 2 0x14200 zerothread 21334 411922 0 0 3 0x14200 aiodoned aiodoned 44328 354231 0 0 3 0x14200 syncer update 48238 442781 0 0 3 0x14200 cleaner cleaner 76050 114449 0 0 3 0x14200 reaper reaper 30542 66307 0 0 3 0x14200 pgdaemon pagedaemon 64689 148307 0 0 3 0x14200 bored crynlk 90592 208351 0 0 3 0x14200 bored crypto 97826 288693 0 0 3 0x40014200 acpi0 acpi0 70424 292942 0 0 7 0x40014200 idle1 65008 205797 0 0 2 0x14200 softnet 43712 396391 0 0 3 0x14200 bored systqmp 4801 428267 0 0 3 0x14200 bored systq 7232 193910 0 0 3 0x40014200 bored softclock 52902 58753 0 0 3 0x40014200 idle0 1 35546 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex mbufpl r = 0 (0xffffffff828d0620) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbf sys/kern/subr_pool.c:578 #4 m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] #4 m_copym+0x174 sys/kern/uipc_mbuf.c:667 #5 tcp_output+0x15ba sys/netinet/tcp_output.c:673 #6 tcp_usrreq+0xa55 #7 sosend+0x671 sys/kern/uipc_socket.c:555 #8 dofilewritev+0x1b6 sys/kern/sys_generic.c:365 #9 sys_write+0x83 sys/kern/sys_generic.c:285 #10 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #11 Xsyscall+0x128 Process 16188 (sshd) thread 0xffff800020e40d50 (122770) exclusive rwlock netlock r = 0 (0xffffffff826f12c8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 solock+0x5a sys/kern/uipc_socket2.c:282 #2 sosend+0x559 sys/kern/uipc_socket.c:543 #3 dofilewritev+0x1b6 sys/kern/sys_generic.c:365 #4 sys_write+0x83 sys/kern/sys_generic.c:285 #5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #6 Xsyscall+0x128 exclusive mutex mbufpl r = 0 (0xffffffff828d0620) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbf sys/kern/subr_pool.c:578 #4 m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] #4 m_copym+0x174 sys/kern/uipc_mbuf.c:667 #5 tcp_output+0x15ba sys/netinet/tcp_output.c:673 #6 tcp_usrreq+0xa55 #7 sosend+0x671 sys/kern/uipc_socket.c:555 #8 dofilewritev+0x1b6 sys/kern/sys_generic.c:365 #9 sys_write+0x83 sys/kern/sys_generic.c:285 #10 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #11 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9513 6414K 6800K 78643K 11206 0 pcb 13 8K 8K 78643K 197 0 rtable 108 6K 6K 78643K 328 0 ifaddr 73 14K 14K 78643K 112 0 counters 43 33K 34K 78643K 51 0 ioctlops 0 0K 4K 78643K 1586 0 iov 0 0K 16K 78643K 29 0 mount 1 1K 1K 78643K 1 0 vnodes 1222 77K 77K 78643K 1478 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 9 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 108 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 4 9K 25K 78643K 512 0 sigio 0 0K 0K 78643K 4 0 proc 61 63K 95K 78643K 505 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 91 0 in_multi 54 2K 2K 78643K 130 0 ether_multi 1 0K 0K 78643K 7 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 251 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 132 40K 56K 78643K 2357 0 UVM aobj 34 2K 2K 78643K 39 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 55 0 NDP 11 0K 0K 78643K 23 0 temp 111 3874K 3938K 78643K 10629 0 kqueue 3 4K 8K 78643K 20 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 arp 64 9 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 38 0 36 1 0 1 1 0 8 0 rtentry 112 72 0 33 2 0 2 2 0 8 0 unpcb 120 559 0 549 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 35 0 35 2 2 0 1 0 8 0 tcpcb 544 158 0 154 1 0 1 1 0 8 0 inpcb 296 747 0 740 9 7 2 2 0 8 1 nd6 48 16 0 13 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 ppxss 1136 2 0 2 2 2 0 1 0 8 0 pffrag 232 2 0 1 2 1 1 1 0 482 0 pffrnode 88 2 0 1 2 1 1 1 0 8 0 pffrent 40 8 0 7 4 3 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 8 0 3 1 0 1 1 0 8 0 pfstitem 24 27 0 23 1 0 1 1 0 8 0 pfstkey 112 27 0 23 1 0 1 1 0 8 0 pfstate 328 27 0 23 2 0 2 2 0 8 0 pfrule 1360 27 0 20 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 284 0 110 12 1 11 12 0 8 0 art_table 32 285 0 110 2 0 2 2 0 8 0 art_node 16 71 0 35 1 0 1 1 0 8 0 sysvmsgpl 40 40 0 29 2 1 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 100 0 90 1 0 1 1 0 8 0 shmpl 112 36 0 5 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2014 0 609 89 1 88 89 0 8 0 ffsino 272 2014 0 609 95 1 94 95 0 8 0 nchpl 144 2918 0 1323 60 0 60 60 0 8 0 uvmvnodes 72 2264 0 0 42 0 42 42 0 8 0 vnodes 208 2264 0 0 120 0 120 120 0 8 0 namei 1024 9138 0 9138 1 0 1 1 0 8 1 percpumem 16 36 0 4 1 0 1 1 0 8 0 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 560 6 0 2 1 0 1 1 0 8 0 pfiaddrpl 120 2 0 0 1 0 1 1 0 8 0 scxspl 192 8452 0 8452 9 8 1 7 0 8 1 plimitpl 152 52 0 44 1 0 1 1 0 8 0 sigapl 424 757 0 705 8 1 7 8 0 8 0 futexpl 56 9685 0 9685 1 0 1 1 0 8 1 knotepl 112 99 0 80 1 0 1 1 0 8 0 kqueuepl 144 55 0 52 1 0 1 1 0 8 0 pipepl 304 123 0 113 4 3 1 2 0 8 0 fdescpl 496 709 0 694 3 0 3 3 0 8 0 filepl 152 4920 0 4820 5 0 5 5 0 8 1 lockfpl 104 92 0 91 1 0 1 1 0 8 0 lockfspl 48 38 0 37 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 27 0 16 1 0 1 1 0 8 0 ucredpl 96 1206 0 1197 1 0 1 1 0 8 0 zombiepl 144 705 0 705 1 0 1 1 0 8 1 processpl 992 757 0 705 8 0 8 8 0 8 0 procpl 624 1546 0 1485 6 0 6 6 0 8 0 sosppl 128 8 0 8 2 1 1 1 0 8 1 sockpl 400 1348 0 1329 8 4 4 4 0 8 2 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 12 0 0 2 0 2 2 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 190 0 0 23 0 23 23 0 8 0 mtagpl 96 37 0 0 1 0 1 1 0 8 0 mbufpl 256 273 0 0 12 0 12 12 0 8 0 mbufpl: pool(0xffffffff828d0610:mbufpl): free list modified: page 0xfffffd806a374000; item ordinal 0; addr 0xfffffd806a374f00 (p 0xfffffd806db3f000); offset 0x0=0x0 pool(mbufpl): free list modified: page 0xfffffd806a374000; item ordinal 0; addr 0xfffffd806a374f00 (p 0xfffffd806db3f000); offset 0x0=0x0 mbufpl: pool(0xffffffff828d0610:mbufpl): page inconsistency: page 0xfffffd806a374000; item ordinal 1; addr 0x53147ae501782123 bufpl 280 4093 0 133 283 0 283 283 0 8 0 anonpl 16 78348 0 61845 75 8 67 73 0 124 0 amapchunkpl 152 3833 0 3685 26 19 7 20 0 158 0 amappl16 192 2966 0 2069 46 0 46 46 0 8 0 amappl15 184 9 0 7 1 0 1 1 0 8 0 amappl14 176 31 0 22 1 0 1 1 0 8 0 amappl13 168 35 0 32 1 0 1 1 0 8 0 amappl12 160 27 0 24 1 0 1 1 0 8 0 amappl11 152 409 0 393 1 0 1 1 0 8 0 amappl10 144 18 0 14 1 0 1 1 0 8 0 amappl9 136 507 0 504 1 0 1 1 0 8 0 amappl8 128 499 0 459 2 0 2 2 0 8 0 amappl7 120 123 0 111 1 0 1 1 0 8 0 amappl6 112 370 0 367 1 0 1 1 0 8 0 amappl5 104 623 0 607 1 0 1 1 0 8 0 amappl4 96 510 0 481 1 0 1 1 0 8 0 amappl3 88 124 0 119 1 0 1 1 0 8 0 amappl2 80 4707 0 4646 2 0 2 2 0 8 0 amappl1 72 28038 0 27611 23 13 10 18 0 8 0 amappl 80 1794 0 1750 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 38 0 5 1 0 1 1 0 8 0 uaddrrnd 24 715 0 696 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 715 0 696 1 0 1 1 0 8 0 vmmpekpl 168 9341 0 9291 3 0 3 3 0 8 0 vmmpepl 168 95504 0 93528 149 53 96 125 0 357 0 vmsppl 368 714 0 696 2 0 2 2 0 8 0 pdppl 4096 1437 0 1396 6 0 6 6 0 8 0 pvpl 32 255137 0 235455 181 20 161 176 0 265 1 pmappl 232 714 0 696 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 268 0 10 8 0 8 8 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:398 panic(ffffffff82493053) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff828d0610,2,ffff800020e62058) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828d0610,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_copym(fffffd806a374700,1144,580,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd806a374700,1144,580,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000ad8cc0) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_usrreq(fffffd806eadbaf8,9,fffffd806f574d00,0,0,ffff800020e40d50) at tcp_usrreq+0xa55 sosend(fffffd806eadbaf8,0,ffff800020e62538,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:555 dofilewritev(ffff800020e40d50,4,ffff800020e62538,0,ffff800020e62620) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020e40d50,ffff800020e625d0,ffff800020e62620) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e626a0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e626a0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe28e0, count: -12 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020d70ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x331 sys/dev/acpi/acpicpu.c:1187 sched_idle(ffff800020d70ff0) at sched_idle+0x3f7 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800020d70ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x331 sys/dev/acpi/acpicpu.c:1187 sched_idle(ffff800020d70ff0) at sched_idle+0x3f7 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5