uvm_fault(0xfffffd806c1f63d8, 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 58880 5564 0 0 0 0 syz-executor *524268 5564 0 0 0x4000000 1K syz-executor ktrops(ffff80003880d748,ffffffffffffffff,0,a0c7df9f,fffffd805caebd98,fffffd80097fb0d0) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80003880d748,ffffffffffffffff,0,a0c7df9f,fffffd805caebd98,fffffd80097fb0d0) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd805caebd98,4,20c7df9f,0,ffff80003880d748) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd805caebd98,4,20c7df9f,0,ffff80003880d748) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80003880d748,ffff80003c42f890,ffff80003c42f7e0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c42f890) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42f890) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf0b95ea0b0, 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(0xfffffd806c1f63d8, 0xf, 0, 1) -> e ddb{1}> trace ktrops(ffff80003880d748,ffffffffffffffff,0,a0c7df9f,fffffd805caebd98,fffffd80097fb0d0) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80003880d748,ffffffffffffffff,0,a0c7df9f,fffffd805caebd98,fffffd80097fb0d0) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd805caebd98,4,20c7df9f,0,ffff80003880d748) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd805caebd98,4,20c7df9f,0,ffff80003880d748) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80003880d748,ffff80003c42f890,ffff80003c42f7e0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c42f890) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42f890) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf0b95ea0b0, count: -5 ddb{1}> show registers rdi 0xffff80003880d748 rsi 0xffffffffffffffff rbp 0xffff80003c42f5b0 rbx 0xfffffd80097fb0d0 rdx 0 rcx 0xffff80003880d748 rax 0xffff8000299ddff0 r8 0xfffffd805caebd98 r9 0xfffffd80097fb0d0 r10 0x7c5b4e8c66208b01 r11 0xbc9e42233918e3e3 r12 0xffff80003880d748 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0xa0c7df9f rip 0xffffffff8168b648 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c42f530 ss 0x10 ktrops+0x58: movq 0x10(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=524268 pid=5564 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003880c038,0xffff80003880c568 process=0xffff80003c450eb0 user=0xffff80003c42a000, vmspace=0xfffffd806c1f63d8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 5564 58880 45890 0 7 0 syz-executor * 5564 524268 45890 0 7 0x4000000 syz-executor 5564 323772 45890 0 2 0x4000000 syz-executor 8414 249973 10398 0 3 0x80 nanoslp syz-executor 8414 304733 10398 0 3 0x4000080 lockf syz-executor 8414 65844 10398 0 3 0x4000080 fsleep syz-executor 57838 474236 0 0 3 0x14200 acct acct 19323 407140 1840 0 3 0x2 biowait syz-executor 27608 256669 1840 0 3 0x82 wait syz-executor 45890 208162 1840 0 3 0x82 nanoslp syz-executor 53920 485092 1 0 3 0x100083 ttyin getty 83478 76180 0 0 3 0x14280 nfsidl nfsio 35066 471126 0 0 3 0x14280 nfsidl nfsio 2227 229828 0 0 3 0x14280 nfsidl nfsio 26026 292970 0 0 3 0x14280 nfsidl nfsio 93293 258164 0 0 3 0x14280 nfsidl nfsio 33705 464824 0 0 3 0x14280 nfsidl nfsio 25132 299762 0 0 3 0x14280 nfsidl nfsio 11217 478846 0 0 3 0x14280 nfsidl nfsio 8950 22942 0 0 3 0x14280 nfsidl nfsio 49735 476233 0 0 3 0x14280 nfsidl nfsio 29291 72814 0 0 3 0x14280 nfsidl nfsio 87408 295173 0 0 3 0x14280 nfsidl nfsio 95340 50807 0 0 3 0x14280 nfsidl nfsio 20660 224773 0 0 3 0x14280 nfsidl nfsio 79109 159577 0 0 3 0x14280 nfsidl nfsio 13214 264452 0 0 3 0x14280 nfsidl nfsio 85381 431104 0 0 3 0x14280 nfsidl nfsio 50857 58261 0 0 3 0x14280 nfsidl nfsio 67359 239667 0 0 3 0x14280 nfsidl nfsio 7211 298846 0 0 3 0x14280 nfsidl nfsio 99547 171684 0 0 3 0x14200 bored sosplice 32196 401110 1840 0 3 0x82 wait syz-executor 79798 505802 1840 0 3 0x82 nanoslp syz-executor 60754 386066 1840 0 2 0x2 syz-executor 51106 452662 1840 0 3 0x82 nanoslp syz-executor 10398 177608 1840 0 3 0x82 nanoslp syz-executor 1840 207280 35967 0 3 0x82 kqread syz-executor 35967 170461 89508 0 3 0x10008a sigsusp ksh 89508 261678 99236 0 3 0x98 kqread sshd-session 99236 159452 18390 0 3 0x92 kqread sshd-session 18390 53893 1 0 3 0x88 kqread sshd 13540 392167 53425 74 3 0x1100092 bpf pflogd 53425 102580 1 0 3 0x80 sbwait pflogd 46399 365826 68016 73 3 0x1100090 kqread syslogd 68016 409248 1 0 3 0x100082 sbwait syslogd 66191 121679 1 0 3 0x100080 kqread resolvd 2031 82859 97792 77 3 0x100092 kqread dhcpleased 27793 350875 97792 77 3 0x100092 kqread dhcpleased 97792 28508 1 0 3 0x80 kqread dhcpleased 14309 487365 0 0 3 0x14200 bored smr 60813 72607 0 0 2 0x14200 zerothread 68842 197181 0 0 3 0x14200 aiodoned aiodoned 51056 34220 0 0 3 0x14200 syncer update 97430 195377 0 0 3 0x14200 cleaner cleaner 98330 430178 0 0 3 0x14200 reaper reaper 30855 120251 0 0 3 0x14200 pgdaemon pagedaemon 16618 342247 0 0 3 0x14200 bored viomb 31916 14221 0 0 3 0x40014200 acpi0 acpi0 48280 296787 0 0 3 0x40014200 idle1 48111 431317 0 0 3 0x14200 bored softnet3 31168 103679 0 0 3 0x14200 bored softnet2 35078 170474 0 0 3 0x14200 bored softnet1 73128 40504 0 0 3 0x14200 bored softnet0 1692 439874 0 0 3 0x14200 bored systqmp 88290 55936 0 0 3 0x14200 bored systq 19102 388552 0 0 3 0x14200 tmoslp softclockmp 56408 323071 0 0 3 0x40014200 tmoslp softclock 66135 377401 0 0 3 0x40014200 idle0 1 13044 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 5564 (syz-executor) thread 0xffff80003880d748 (524268) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83901ff8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x2da sys/kern/kern_synch.c:366 #3 getblk+0x197 sys/kern/vfs_bio.c:1013 #4 bread+0x47 bio_doread sys/kern/vfs_bio.c:418 [inline] #4 bread+0x47 sys/kern/vfs_bio.c:463 #5 ffs_update+0x198 sys/ufs/ffs/ffs_inode.c:91 #6 ufs_inactive+0x2e5 sys/ufs/ufs/ufs_inode.c:95 #7 VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:498 #8 vrele+0x129 sys/kern/vfs_subr.c:844 #9 ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122 #10 ktrops+0x271 sys/kern/kern_ktrace.c:573 #11 doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] #11 doktrace+0x6dd sys/kern/kern_ktrace.c:517 #12 sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 #14 Xsyscall+0x128 Process 19323 (syz-executor) thread 0xffff8000387fef80 (407140) exclusive rrwlock inode r = 0 (0xfffffd806e973418) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 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+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:3109 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c476200) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #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:3094 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10390 11394K 13632K 166960K 14507 0 pcb 17 15K 16K 166960K 332 0 rtable 244 11K 12K 166960K 627 0 pf 42 19K 82K 166960K 186 0 ifaddr 46 9K 9K 166960K 132 0 ifgroup 60 2K 3K 166960K 213 0 sysctl 4 1K 9K 166960K 13 0 counters 70 37K 38K 166960K 240 0 ioctlops 0 0K 4K 166960K 1849 0 iov 0 0K 20K 166960K 251 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1574 99K 99K 166960K 3225 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 20 2K 2K 166960K 28 0 dirhash 12 2K 2K 166960K 39 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 110K 166960K 1712 0 sigio 0 0K 0K 166960K 19 0 proc 72 91K 128K 166960K 781 0 subproc 72 4K 4K 166960K 99 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 205 0 in_multi 102 7K 7K 166960K 187 0 ether_multi 1 0K 0K 166960K 10 0 mrt 1 0K 0K 166960K 16 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 265 1182K 1182K 166960K 265 0 exec 0 0K 1K 166960K 726 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 237 151K 166K 166960K 17416 0 UVM aobj 32 6K 6K 166960K 34 0 pinsyscall 41 82K 106K 166960K 2900 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 64 0 NDP 13 0K 2K 166960K 87 0 temp 80 8696K 8772K 166960K 82093 0 kqueue 13 20K 34K 166960K 355 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 176 0 173 3 2 1 3 0 8 0 rtentry 176 204 0 100 6 0 6 6 0 8 0 unpcb 144 1090 0 1073 10 6 4 4 0 8 3 syncache 336 10 0 10 3 2 1 1 0 8 1 tcpqe 32 3 0 3 2 2 0 1 0 8 0 tcpcb 736 623 0 616 15 11 4 7 0 8 3 arp 128 35 0 17 1 0 1 1 0 8 0 inpcb 328 1885 0 1873 17 10 7 12 0 8 5 nd6 144 44 0 19 2 0 2 2 0 8 0 pkpcb 40 11 0 11 1 1 0 1 0 8 0 kcovpl 48 11 0 3 1 0 1 1 0 8 0 ppxss 1192 67 0 67 1 0 1 1 0 8 1 pppxif 1504 11 0 11 2 1 1 1 0 8 1 pfstscr 40 2 0 2 2 2 0 1 0 8 0 pffrag 232 9 0 0 1 0 1 1 0 482 0 pffrnode 88 8 0 0 1 0 1 1 0 8 0 pffrent 40 85 0 76 1 0 1 1 0 8 0 pfosfp 40 1430 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1430 0 714 21 0 21 21 0 8 0 pfanchor 1288 3 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 92 0 28 1 0 1 1 0 8 0 pfstkey 128 98 0 32 3 0 3 3 0 8 0 pfstate 384 92 0 30 7 0 7 7 0 8 0 pfrule 1344 28 0 22 2 1 1 2 0 8 0 rttmr 136 4 0 4 3 3 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 833 0 360 34 3 31 31 0 8 1 art_table 32 837 0 360 4 0 4 4 0 8 0 art_node 16 200 0 110 1 0 1 1 0 8 0 sysvmsgpl 40 21 0 17 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 20 0 2 1 0 1 1 0 8 0 shmpl 112 31 0 2 1 0 1 1 0 8 0 dirhash 1024 35 0 18 3 0 3 3 0 8 0 dino2pl 256 4645 0 3125 96 0 96 96 0 8 0 ffsino 288 4645 0 3125 109 0 109 109 0 8 0 nchpl 144 7150 0 6528 64 40 24 64 0 8 0 rtmask 32 8 0 8 2 1 1 1 0 8 1 uvmvnodes 80 5907 0 0 121 0 121 121 0 8 0 vnodes 216 5907 0 0 329 0 329 329 0 8 0 namei 1024 24985 0 24984 3 2 1 2 0 8 0 percpumem 16 135 0 85 1 0 1 1 0 8 0 kstatmem 264 132 0 104 4 1 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 3 0 3 1 1 0 1 0 8 0 scxspl 216 50239 0 50238 10 8 2 8 1 8 1 plimitpl 152 446 0 429 1 0 1 1 0 8 0 sigapl 424 2031 0 1961 10 1 9 9 0 8 0 knotepl 120 967 0 0 30 0 30 30 0 8 0 kqueuepl 224 690 0 681 8 6 2 5 0 8 1 pipepl 336 310 0 283 8 5 3 8 0 8 0 fdescpl 520 1988 0 1958 3 0 3 3 0 8 0 filepl 160 13444 0 13218 32 18 14 23 0 8 3 lockfpl 104 1119 0 1113 3 1 2 2 0 8 1 lockfspl 48 425 0 420 1 0 1 1 0 8 0 sessionpl 144 31 0 22 1 0 1 1 0 8 0 pgrppl 48 96 0 79 1 0 1 1 0 8 0 ucredpl 104 2350 0 2336 1 0 1 1 0 8 0 zombiepl 144 1965 0 1961 1 0 1 1 0 8 0 processpl 1240 2031 0 1961 6 0 6 6 0 8 0 procpl 656 4741 0 4667 8 0 8 8 0 8 0 srpgc 96 12 0 12 3 3 0 1 0 8 0 sosppl 168 8 0 8 4 3 1 1 0 8 1 sockpl 728 3210 0 3178 24 12 12 15 0 8 8 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 114 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 59 0 0 8 0 8 8 0 8 0 mtagpl 96 19 0 0 1 0 1 1 0 8 0 mbufpl 256 1142 0 0 72 0 72 72 0 8 0 bufpl 280 21634 0 15492 439 0 439 439 0 8 0 anonpl 32 14953 0 0 121 0 121 121 0 246 0 amapchunkpl 152 58191 0 57715 42 13 29 33 0 158 5 amappl16 200 8057 0 8020 82 67 15 36 0 8 4 amappl15 192 6 0 6 3 3 0 1 0 8 0 amappl14 184 128 0 116 1 0 1 1 0 8 0 amappl13 176 20 0 20 1 1 0 1 0 8 0 amappl12 168 2687 0 2657 4 1 3 3 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 72 0 72 1 1 0 1 0 8 0 amappl9 144 261 0 261 1 1 0 1 0 8 0 amappl8 136 43 0 41 1 0 1 1 0 8 0 amappl7 128 119 0 107 1 0 1 1 0 8 0 amappl6 120 214 0 210 1 0 1 1 0 8 0 amappl5 112 142 0 132 1 0 1 1 0 8 0 amappl4 104 351 0 332 1 0 1 1 0 8 0 amappl3 96 11797 0 11691 5 1 4 4 0 8 0 amappl2 88 731 0 669 2 0 2 2 0 8 0 amappl1 80 15860 0 15257 17 2 15 15 0 8 0 amappl 88 16374 0 16210 5 0 5 5 0 92 0 dma16384 16384 1 0 1 1 1 0 1 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 33 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1988 0 1958 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1988 0 1958 1 0 1 1 0 8 0 vmmpekpl 168 17698 0 17644 3 0 3 3 0 8 0 vmmpepl 168 131785 0 129816 139 22 117 120 0 357 14 vmsppl 480 1987 0 1958 7 2 5 5 0 8 0 rwobjpl 72 42174 0 35295 131 1 130 130 0 8 0 pdppl 4096 3983 0 3916 115 42 73 87 0 8 6 pvpl 32 24164 0 0 196 1 195 195 0 265 0 pmappl 256 1987 0 1958 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 495 0 68 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff838a2ff0) 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 __mp_lock(ffffffff83901df0) at __mp_lock+0x190 __mp_lock_spin sys/kern/kern_lock.c:135 [inline] __mp_lock(ffffffff83901df0) at __mp_lock+0x190 sys/kern/kern_lock.c:165 intr_handler(ffff8000387f7700,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x7dea824b35b0, count: 9 ddb{0}> trace x86_ipi_db(ffffffff838a2ff0) 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 __mp_lock(ffffffff83901df0) at __mp_lock+0x190 __mp_lock_spin sys/kern/kern_lock.c:135 [inline] __mp_lock(ffffffff83901df0) at __mp_lock+0x190 sys/kern/kern_lock.c:165 intr_handler(ffff8000387f7700,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x7dea824b35b0, count: -6 ddb{0}> machine ddbcpu 1 Stopped at ktrops+0x58: movq 0x10(%r14),%r14 ktrops(ffff80003880d748,ffffffffffffffff,0,a0c7df9f,fffffd805caebd98,fffffd80097fb0d0) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80003880d748,ffffffffffffffff,0,a0c7df9f,fffffd805caebd98,fffffd80097fb0d0) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd805caebd98,4,20c7df9f,0,ffff80003880d748) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd805caebd98,4,20c7df9f,0,ffff80003880d748) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80003880d748,ffff80003c42f890,ffff80003c42f7e0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c42f890) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42f890) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf0b95ea0b0, count: 10 ddb{1}> trace ktrops(ffff80003880d748,ffffffffffffffff,0,a0c7df9f,fffffd805caebd98,fffffd80097fb0d0) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80003880d748,ffffffffffffffff,0,a0c7df9f,fffffd805caebd98,fffffd80097fb0d0) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd805caebd98,4,20c7df9f,0,ffff80003880d748) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd805caebd98,4,20c7df9f,0,ffff80003880d748) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80003880d748,ffff80003c42f890,ffff80003c42f7e0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c42f890) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42f890) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf0b95ea0b0, count: -5