login: uvm_fault(0xfffffd806bf8e560, 0xf, 0, 1) -> e kernel: page fault trap, code=0 Stopped at ktrops+0x58: movq 0x10(%r14),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND *284925 68154 0 0 0x4000000 1 syz-executor 134789 84521 0 0x14000 0x40000200 0 softclock ktrops(ffff80002a054538,ffffffffffffffff,0,80001100,fffffd8066eae1f0,fffffd807f7d3548) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a054538,ffffffffffffffff,0,80001100,fffffd8066eae1f0,fffffd807f7d3548) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd8066eae1f0,4,1100,ffffffff,ffff80002a054538) at doktrace+0x57d ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8066eae1f0,4,1100,ffffffff,ffff80002a054538) at doktrace+0x57d sys/kern/kern_ktrace.c:493 sys_ktrace(ffff80002a054538,ffff800037201f60,ffff800037201eb0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff800037201f60) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff800037201f60) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x40756c21720, count: 10 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault(0xfffffd806bf8e560, 0xf, 0, 1) -> e ddb{1}> trace ktrops(ffff80002a054538,ffffffffffffffff,0,80001100,fffffd8066eae1f0,fffffd807f7d3548) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a054538,ffffffffffffffff,0,80001100,fffffd8066eae1f0,fffffd807f7d3548) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd8066eae1f0,4,1100,ffffffff,ffff80002a054538) at doktrace+0x57d ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8066eae1f0,4,1100,ffffffff,ffff80002a054538) at doktrace+0x57d sys/kern/kern_ktrace.c:493 sys_ktrace(ffff80002a054538,ffff800037201f60,ffff800037201eb0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff800037201f60) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff800037201f60) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x40756c21720, count: -5 ddb{1}> show registers rdi 0xffff80002a054538 rsi 0xffffffffffffffff rbp 0xffff800037201c80 rbx 0xfffffd807f7d3548 rdx 0 rcx 0xffff80002a054538 rax 0xffff800029b7bff0 r8 0xfffffd8066eae1f0 r9 0xfffffd807f7d3548 r10 0x9a72cb7ee72a8a70 r11 0x65280bae86a5b772 r12 0xffff80002a054538 r13 0x1 r14 0xffffffffffffffff r15 0x80001100 __kernel_virt_to_phys+0x1100 rip 0xffffffff829d31f8 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800037201c00 ss 0x10 ktrops+0x58: movq 0x10(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=284925 pid=68154 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=79, usrpri=79, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a04e020,0xffff80002a04f1e8 process=0xffff8000ffff31f8 user=0xffff8000371fd000, vmspace=0xfffffd806bf8e560 estcpu=29, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 68154 505128 96351 0 3 0x80 nanoslp syz-executor *68154 284925 96351 0 7 0x4000000 syz-executor 68154 315909 96351 0 3 0x4000080 fsleep syz-executor 68154 345341 96351 0 3 0x4000080 fsleep syz-executor 45474 101982 94470 0 2 0x480 syz-executor 45474 304087 94470 0 3 0x4000080 kqsel syz-executor 45474 323550 94470 0 3 0x4000080 fsleep syz-executor 52628 364791 56812 60929 3 0x90 nanoslp syz-executor 52628 47576 56812 60929 3 0x4000090 ttyopn syz-executor 52628 169468 56812 60929 3 0x4000090 fsleep syz-executor 31161 313845 43612 0 2 0 syz-executor 31161 479715 43612 0 3 0x4000080 fsleep syz-executor 31161 305320 43612 0 3 0x4000080 fsleep syz-executor 31161 266906 43612 0 3 0x4000080 fsleep syz-executor 31161 451930 43612 0 3 0x4000080 fsleep syz-executor 19018 145341 73692 0 3 0x80 nanoslp syz-executor 19018 176626 73692 0 3 0x4000080 msgwait syz-executor 19018 470296 73692 0 3 0x4000080 fsleep syz-executor 81850 368411 1 0 3 0x100083 ttyin getty 99865 341322 0 0 3 0x14200 acct acct 49570 255310 0 0 3 0x14200 bored sosplice 94470 43524 49053 0 2 0x482 syz-executor 96351 224925 49053 0 2 0x482 syz-executor 73692 502515 49053 0 2 0x482 syz-executor 63287 495868 49053 0 3 0x82 wait syz-executor 34092 165658 49053 0 2 0x2 syz-executor 19917 509928 49053 0 2 0x2 syz-executor 56812 89254 49053 0 3 0x82 nanoslp syz-executor 43612 262986 49053 0 3 0x82 nanoslp syz-executor 49053 373021 49885 0 3 0x82 kqread syz-executor 49885 512076 57694 0 3 0x10008a sigsusp ksh 57694 184211 88677 0 3 0x98 kqread sshd-session 88677 417781 26069 0 3 0x92 kqread sshd-session 26069 280273 1 0 3 0x88 kqread sshd 1433 354839 48238 74 3 0x1100092 bpf pflogd 48238 499561 1 0 3 0x80 sbwait pflogd 32391 84042 18995 73 3 0x1100090 kqread syslogd 18995 420168 1 0 3 0x100082 sbwait syslogd 7074 229504 1 0 3 0x100080 kqread resolvd 37216 466278 86896 77 3 0x100092 kqread dhcpleased 18749 89722 86896 77 3 0x100092 kqread dhcpleased 86896 356790 1 0 3 0x80 kqread dhcpleased 31974 77074 0 0 3 0x14200 bored smr 83220 456433 0 0 3 0x14200 pgzero zerothread 25131 424048 0 0 3 0x14200 aiodoned aiodoned 986 275526 0 0 3 0x14200 syncer update 30014 174295 0 0 3 0x14200 cleaner cleaner 78597 240435 0 0 3 0x14200 reaper reaper 66447 243470 0 0 3 0x14200 pgdaemon pagedaemon 84462 57244 0 0 3 0x14200 bored viomb 91618 310518 0 0 3 0x40014200 acpi0 acpi0 56959 214206 0 0 3 0x40014200 idle1 28897 129560 0 0 3 0x14200 bored softnet3 84883 315001 0 0 3 0x14200 bored softnet2 61984 405194 0 0 3 0x14200 bored softnet1 63800 300275 0 0 3 0x14200 bored softnet0 91462 44835 0 0 2 0x14200 systqmp 76235 171554 0 0 3 0x14200 bored systq 86576 370516 0 0 2 0x14200 softclockmp 84521 134789 0 0 7 0x40014200 softclock 53841 399241 0 0 3 0x40014200 idle0 1 607 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 68154 (syz-executor) thread 0xffff80002a054538 (284925) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835e4b08) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x2f2 sys/kern/kern_synch.c:425 #4 getblk+0x197 sys/kern/vfs_bio.c:1017 #5 bread+0x47 bio_doread sys/kern/vfs_bio.c:422 [inline] #5 bread+0x47 sys/kern/vfs_bio.c:467 #6 ffs_update+0x198 sys/ufs/ffs/ffs_inode.c:91 #7 ufs_inactive+0x2e2 sys/ufs/ufs/ufs_inode.c:95 #8 VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 #9 vrele+0x129 sys/kern/vfs_subr.c:829 #10 ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122 #11 ktrops+0x271 sys/kern/kern_ktrace.c:564 #12 doktrace+0x57d ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] #12 doktrace+0x57d sys/kern/kern_ktrace.c:493 #13 sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 #14 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #14 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #15 Xsyscall+0x128 Process 34092 (syz-executor) thread 0xffff80002a051458 (165658) exclusive rrwlock inode r = 0 (0xfffffd80752ee928) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vget+0x2bd sys/kern/vfs_subr.c:678 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x218 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 dofstatat+0xd2 sys/kern/vfs_syscalls.c:2069 #12 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #12 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 Process 19917 (syz-executor) thread 0xffff80002a0511d0 (509928) exclusive rrwlock inode r = 0 (0xfffffd806bfae3d0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:169 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cddfa38) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3084 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10216 11268K 11511K 166960K 11655 0 pcb 17 15K 17K 166960K 162 0 rtable 243 7K 7K 166960K 376 0 pf 36 18K 19K 166960K 59 0 ifaddr 43 7K 7K 166960K 52 0 ifgroup 55 2K 2K 166960K 67 0 counters 64 36K 36K 166960K 72 0 ioctlops 0 0K 4K 166960K 1582 0 iov 0 0K 16K 166960K 25 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1404 88K 88K 166960K 1924 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 20 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 16 57K 93K 166960K 483 0 sigio 0 0K 0K 166960K 10 0 proc 72 91K 128K 166960K 579 0 subproc 104 6K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 3 0K 0K 166960K 41 0 in_multi 100 7K 7K 166960K 111 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 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 406 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 249 73K 77K 166960K 6211 0 UVM aobj 12 2K 2K 166960K 12 0 pinsyscall 41 82K 106K 166960K 1569 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 32 0 NDP 12 0K 2K 166960K 33 0 temp 58 6822K 6888K 166960K 13893 0 kqueue 13 20K 30K 166960K 93 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 50 0 46 1 0 1 1 0 8 0 rtentry 112 116 0 3 4 0 4 4 0 8 0 unpcb 144 469 0 452 6 5 1 6 0 8 0 syncache 336 5 0 5 3 3 0 1 0 8 0 tcpcb 808 135 0 130 5 4 1 5 0 8 0 arp 120 19 0 0 1 0 1 1 0 8 0 inpcb 336 639 0 628 15 13 2 15 0 8 0 nd6 136 27 0 1 1 0 1 1 0 8 0 pkpcb 40 1 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1168 2 0 2 2 2 0 1 0 8 0 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pffrag 232 7 0 1 1 0 1 1 0 482 0 pffrnode 88 5 0 0 1 0 1 1 0 8 0 pffrent 40 9 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 pfstitem 24 54 0 1 1 0 1 1 0 8 0 pfstkey 128 56 0 3 2 0 2 2 0 8 0 pfstate 376 54 0 2 6 0 6 6 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 462 0 6 29 0 29 29 0 8 0 art_table 32 463 0 6 4 0 4 4 0 8 0 art_node 16 114 0 12 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 2 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 17 0 7 1 0 1 1 0 8 0 shmpl 112 9 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2427 0 921 95 0 95 95 0 8 0 ffsino 272 2427 0 921 101 0 101 101 0 8 0 nchpl 144 3096 0 1407 63 0 63 63 0 8 0 uvmvnodes 80 2727 0 0 56 0 56 56 0 8 0 vnodes 216 2727 0 0 152 0 152 152 0 8 0 namei 1024 10095 0 10094 3 2 1 2 0 8 0 percpumem 16 50 0 4 1 0 1 1 0 8 0 kstatmem 264 32 0 8 2 0 2 2 0 8 0 scsiplug 72 2 0 2 2 1 1 1 0 8 1 scxspl 216 8788 0 8788 10 9 1 8 1 8 1 plimitpl 152 76 0 58 1 0 1 1 0 8 0 sigapl 424 789 0 739 7 1 6 7 0 8 0 futexpl 64 5628 0 5619 1 0 1 1 0 8 0 knotepl 120 551 0 0 17 0 17 17 0 8 0 kqueuepl 216 158 0 148 3 2 1 3 0 8 0 pipepl 320 159 0 131 4 1 3 4 0 8 0 fdescpl 496 767 0 737 5 0 5 5 0 8 0 filepl 152 4898 0 4642 19 7 12 19 0 8 0 lockfpl 104 150 0 147 1 0 1 1 0 8 0 lockfspl 48 69 0 66 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 43 0 25 1 0 1 1 0 8 0 ucredpl 104 1181 0 1166 1 0 1 1 0 8 0 zombiepl 144 740 0 739 1 0 1 1 0 8 0 processpl 1160 789 0 739 5 1 4 5 0 8 0 procpl 648 1378 0 1315 6 0 6 6 0 8 0 srpgc 96 2 0 2 1 0 1 1 0 8 1 sosppl 168 4 0 4 1 1 0 1 0 8 0 sockpl 664 1160 0 1126 20 16 4 17 0 8 0 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 157 0 0 20 0 20 20 0 8 0 mcl2k 2048 22 0 0 3 0 3 3 0 8 0 mtagpl 96 10 0 0 1 0 1 1 0 8 0 mbufpl 256 186 0 0 12 0 12 12 0 8 0 bufpl 280 3037 0 101 210 0 210 210 0 8 0 anonpl 24 199880 0 196403 71 37 34 71 0 185 0 amapchunkpl 152 20185 0 19639 28 5 23 27 0 158 0 amappl16 200 5640 0 5615 32 28 4 27 0 8 0 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 119 0 107 1 0 1 1 0 8 0 amappl13 176 14 0 14 1 1 0 1 0 8 0 amappl12 168 1438 0 1408 4 1 3 3 0 8 0 amappl11 160 61 0 47 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 155 0 155 1 1 0 1 0 8 0 amappl8 136 23 0 20 1 0 1 1 0 8 0 amappl7 128 117 0 105 1 0 1 1 0 8 0 amappl6 120 175 0 173 1 0 1 1 0 8 0 amappl5 112 148 0 136 1 0 1 1 0 8 0 amappl4 104 318 0 301 1 0 1 1 0 8 0 amappl3 96 3737 0 3628 3 0 3 3 0 8 0 amappl2 88 1061 0 974 3 0 3 3 0 8 0 amappl1 80 9022 0 8457 14 0 14 14 0 8 0 amappl 88 5771 0 5585 5 0 5 5 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 11 0 0 1 0 1 1 0 8 0 uaddrrnd 24 767 0 737 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 767 0 737 1 0 1 1 0 8 0 vmmpekpl 168 7693 0 7660 2 0 2 2 0 8 0 vmmpepl 168 56475 0 54626 105 16 89 105 0 357 1 vmsppl 448 766 0 737 6 2 4 5 0 8 0 rwobjpl 56 23030 0 19330 53 0 53 53 0 8 0 pdppl 4096 1541 0 1474 111 40 71 85 0 8 4 pvpl 32 18641 0 0 152 1 151 151 0 265 0 pmappl 248 766 0 737 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 415 0 68 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83447ff0) 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 __mp_lock(ffffffff835e4900) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835e4900) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff835e4900,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x2f2 sys/kern/kern_synch.c:425 msleep(ffffffff83580e90,ffffffff8347fce0,0,ffffffff830f2a66,0) at msleep+0x13b sys/kern/kern_synch.c:251 softclock_thread(ffff8000ffffef30) at softclock_thread+0x11f sys/kern/kern_timeout.c:807 end trace frame: 0x0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff83447ff0) 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 __mp_lock(ffffffff835e4900) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835e4900) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff835e4900,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x2f2 sys/kern/kern_synch.c:425 msleep(ffffffff83580e90,ffffffff8347fce0,0,ffffffff830f2a66,0) at msleep+0x13b sys/kern/kern_synch.c:251 softclock_thread(ffff8000ffffef30) at softclock_thread+0x11f sys/kern/kern_timeout.c:807 end trace frame: 0x0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at ktrops+0x58: movq 0x10(%r14),%r14 ktrops(ffff80002a054538,ffffffffffffffff,0,80001100,fffffd8066eae1f0,fffffd807f7d3548) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a054538,ffffffffffffffff,0,80001100,fffffd8066eae1f0,fffffd807f7d3548) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd8066eae1f0,4,1100,ffffffff,ffff80002a054538) at doktrace+0x57d ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8066eae1f0,4,1100,ffffffff,ffff80002a054538) at doktrace+0x57d sys/kern/kern_ktrace.c:493 sys_ktrace(ffff80002a054538,ffff800037201f60,ffff800037201eb0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff800037201f60) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff800037201f60) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x40756c21720, count: 10 ddb{1}> trace ktrops(ffff80002a054538,ffffffffffffffff,0,80001100,fffffd8066eae1f0,fffffd807f7d3548) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a054538,ffffffffffffffff,0,80001100,fffffd8066eae1f0,fffffd807f7d3548) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd8066eae1f0,4,1100,ffffffff,ffff80002a054538) at doktrace+0x57d ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8066eae1f0,4,1100,ffffffff,ffff80002a054538) at doktrace+0x57d sys/kern/kern_ktrace.c:493 sys_ktrace(ffff80002a054538,ffff800037201f60,ffff800037201eb0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff800037201f60) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff800037201f60) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x40756c21720, count: -5