panic: mutex 0xfffffd806a9e9678 not held in mtx_leave Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 43820 92852 32767 0x10 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83078e14) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_leave(fffffd806a9e9678) at mtx_leave+0x17c sys/kern/kern_lock.c:335 msleep(fffffd806a9e9590,fffffd806a9e9678,4,ffffffff832a21d0,0) at msleep+0x125 sys/kern/kern_synch.c:249 vm_map_lock_ln(fffffd806a9e9560,fffffd806a9d26c0,0) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250 uvm_mapanon(fffffd806a9e9560,ffff8000371fd7a0,21000,1000,2080713) at uvm_mapanon+0x292 uvm_mmapanon(fffffd806a9e9560,ffff8000371fd7a0,21000,3,7,5002,f33c96b2ccecc4f7,5002) at uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1019 sys_mmap(ffff8000371ce538,ffff8000371fd910,ffff8000371fd860) at sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 syscall(ffff8000371fd910) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371fd910) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ac012a9b040, count: 5 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: mutex 0xfffffd806a9e9678 not held in mtx_leave ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83078e14) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_leave(fffffd806a9e9678) at mtx_leave+0x17c sys/kern/kern_lock.c:335 msleep(fffffd806a9e9590,fffffd806a9e9678,4,ffffffff832a21d0,0) at msleep+0x125 sys/kern/kern_synch.c:249 vm_map_lock_ln(fffffd806a9e9560,fffffd806a9d26c0,0) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250 uvm_mapanon(fffffd806a9e9560,ffff8000371fd7a0,21000,1000,2080713) at uvm_mapanon+0x292 uvm_mmapanon(fffffd806a9e9560,ffff8000371fd7a0,21000,3,7,5002,f33c96b2ccecc4f7,5002) at uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1019 sys_mmap(ffff8000371ce538,ffff8000371fd910,ffff8000371fd860) at sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 syscall(ffff8000371fd910) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371fd910) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ac012a9b040, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000371fd380 rbx 0xffffffff834aedbf cpu_info_full_primary+0x2dbf rdx 0 rcx 0xffff8000371ce538 rax 0xffffffff834adff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x27fbaef77f8887fc r11 0xe695067c9387402b r12 0xffffffff834aebc0 cpu_info_full_primary+0x2bc0 r13 0 r14 0 r15 0x1 rip 0xffffffff816a99e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371fd370 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=235924 pid=92852 tcnt=3 stat=sleep flags process=10 proc=20 runpri=50, usrpri=50, slppri=4, nice=20 wchan=0xfffffd806a9e9590, wmesg=vmmapbsy, ps_single=0x0 scnt=0 ecnt=0 forw=0x0, list=0xffff8000371ce028,0xffff8000371cef68 process=0xffff8000371d3680 user=0xffff8000371f8000, vmspace=0xfffffd806a9e9560 estcpu=36, cpticks=15, pctcpu=0.0, user=0, sys=2, intr=13 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *92852 235924 74607 32767 3 0x30 vmmapbsy syz-executor 92852 123614 74607 32767 2 0x4000010 syz-executor 92852 43820 74607 32767 7 0x4000010 syz-executor 28138 226567 25854 32767 2 0x10 syz-executor 62393 122892 75281 32767 2 0x10 syz-executor 53415 463506 24320 32767 2 0x10 syz-executor 53415 378651 24320 32767 3 0x4000090 fsleep syz-executor 336 263577 84180 32767 2 0x10 syz-executor 9347 61480 54329 32767 2 0x10 syz-executor 45241 110692 47287 32767 2 0x10 syz-executor 45241 342982 47287 32767 3 0x4000090 ttyopn syz-executor 45241 383391 47287 32767 2 0x4000010 syz-executor 84180 317496 54233 32767 3 0x90 nanoslp syz-executor 54233 397200 92009 0 3 0x82 wait syz-executor 1520 517931 77856 32767 3 0x3010 suspend syz-executor 1520 501636 77856 32767 2 0x4081010 syz-executor 47287 250167 69695 32767 3 0x90 nanoslp syz-executor 50953 66571 42957 32767 3 0x10 biowait syz-executor 69695 128690 92009 0 3 0x82 wait syz-executor 42957 254005 92009 0 3 0x82 wait syz-executor 77856 71785 1 32767 3 0x90 wait syz-executor 74607 387734 3250 32767 3 0x90 nanoslp syz-executor 24320 88166 30758 32767 3 0x90 nanoslp syz-executor 75281 502725 45149 32767 3 0x90 nanoslp syz-executor 25854 215634 29463 32767 3 0x90 nanoslp syz-executor 54329 255847 16251 32767 3 0x90 nanoslp syz-executor 29463 520929 92009 0 3 0x82 wait syz-executor 16251 412584 92009 0 3 0x82 wait syz-executor 30758 511665 92009 0 3 0x82 wait syz-executor 45149 298881 92009 0 3 0x82 wait syz-executor 3250 84442 92009 0 3 0x82 wait syz-executor 80982 270849 40415 0 3 0x82 netio sshd-session 42331 270282 0 0 3 0x14200 bored sosplice 92009 145253 74852 0 3 0x82 kqread syz-executor 74852 351085 54246 0 3 0x10008a sigsusp ksh 54246 308887 45733 0 3 0x98 kqread sshd-session 45733 14762 40415 0 3 0x92 kqread sshd-session 9728 464858 1 0 3 0x100083 ttyin getty 40415 425059 1 0 3 0x88 kqread sshd 99413 504369 36316 73 2 0x1100010 syslogd 36316 195150 1 0 3 0x100082 sbwait syslogd 74291 395617 1 0 3 0x100080 kqread resolvd 51540 341179 41631 77 3 0x100092 kqread dhcpleased 40868 455212 41631 77 3 0x100092 kqread dhcpleased 41631 414707 1 0 3 0x80 kqread dhcpleased 89397 381797 0 0 3 0x14200 bored smr 7353 363393 0 0 2 0x14200 zerothread 43904 42561 0 0 3 0x14200 aiodoned aiodoned 91203 246981 0 0 3 0x14200 syncer update 82196 93369 0 0 3 0x14200 cleaner cleaner 69487 249402 0 0 3 0x14200 reaper reaper 48232 59542 0 0 3 0x14200 pgdaemon pagedaemon 47913 163194 0 0 3 0x14200 bored viomb 42885 428067 0 0 3 0x40014200 acpi0 acpi0 79946 441410 0 0 3 0x40014200 idle1 44324 430135 0 0 3 0x14200 bored softnet3 91677 382739 0 0 3 0x14200 bored softnet2 2615 453738 0 0 3 0x14200 bored softnet1 23768 459475 0 0 3 0x14200 bored softnet0 65681 422621 0 0 3 0x14200 bored systqmp 68852 284095 0 0 3 0x14200 bored systq 42797 522681 0 0 3 0x14200 tmoslp softclockmp 69343 409815 0 0 3 0x40014200 tmoslp softclock 31213 121439 0 0 3 0x40014200 idle0 1 57772 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &map->flags_lock r = 0 (0xfffffd806a9e96b8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 vm_map_lock_ln+0x153 sys/uvm/uvm_map.c:5258 #4 uvm_mapanon+0x292 #5 uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1019 #6 sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 #7 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #7 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 Process 92852 (syz-executor) thread 0xffff8000371ce7c0 (43820) shared rwlock vmmaplk r = 0 (0xfffffd806a9e9658) #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 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 #3 uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 #4 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #5 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1602 #6 uvm_map_pageable_wire+0x40f sys/uvm/uvm_map.c:2127 #7 sys_mlockall+0x85 sys/uvm/uvm_mmap.c:898 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835a2200) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #1 syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 #2 Xsyscall+0x128 Process 50953 (syz-executor) thread 0xffff8000ffff7bf0 (66571) exclusive rrwlock inode r = 0 (0xfffffd8067a88700) #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:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8068f88d58) #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:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10186 11047K 11059K 166960K 11429 0 pcb 17 12K 12K 166960K 17 0 rtable 234 6K 7K 166960K 2057 0 pf 31 16K 16K 166960K 141 0 ifaddr 42 8K 8K 166960K 270 0 ifgroup 50 2K 2K 166960K 270 0 sysctl 3 0K 1K 166960K 6 0 counters 64 36K 36K 166960K 174 0 ioctlops 0 0K 2K 166960K 93 0 iov 0 0K 12K 166960K 43 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1467 92K 92K 166960K 2344 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 14 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 58 0 dirhash 15 2K 3K 166960K 36 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 27 101K 157K 166960K 1667 0 sigio 0 0K 0K 166960K 25 0 proc 58 79K 176K 166960K 2066 0 subproc 117 7K 12K 166960K 884 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 186 0 in_multi 99 7K 7K 166960K 740 0 ether_multi 1 0K 0K 166960K 8 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 1177 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 271 89K 131K 166960K 13275 0 UVM aobj 20 2K 4K 166960K 24 0 pinsyscall 50 100K 130K 166960K 4155 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 74 0 NDP 11 0K 2K 166960K 192 0 temp 79 6824K 6952K 166960K 14297 0 kqueue 13 20K 30K 166960K 132 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 120 201 0 198 1 0 1 1 0 8 0 rtentry 112 726 0 616 7 3 4 4 0 8 0 unpcb 144 846 0 830 9 8 1 4 0 8 0 syncache 336 18 0 18 7 7 0 1 0 8 0 tcpqe 32 10 0 10 5 5 0 1 0 8 0 tcpcb 808 378 0 366 9 6 3 5 0 8 0 arp 120 129 0 111 1 0 1 1 0 8 0 ipq 40 7 0 6 5 4 1 1 0 8 0 ipqe 40 97 0 96 5 4 1 1 0 8 0 inpcb 336 1240 0 1224 16 13 3 8 0 8 0 nd6 136 198 0 174 1 0 1 1 0 8 0 kcovpl 48 68 0 59 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2916 0 2457 60 31 29 29 0 8 0 art_table 32 2917 0 2457 5 1 4 4 0 8 0 art_node 16 725 0 625 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 3 2 1 1 1 0 8 0 semupl 112 3 0 3 2 2 0 1 0 8 0 semapl 112 54 0 44 1 0 1 1 0 8 0 shmpl 112 21 0 4 2 1 1 1 0 8 0 dirhash 1024 33 0 14 3 0 3 3 0 8 0 dino2pl 256 2708 0 1074 104 1 103 103 0 8 0 ffsino 272 2708 0 1074 111 1 110 110 0 8 0 nchpl 144 3749 0 1978 66 0 66 66 0 8 0 uvmvnodes 80 3601 0 0 74 0 74 74 0 8 0 vnodes 216 3601 0 0 201 0 201 201 0 8 0 namei 1024 17719 0 17718 10 9 1 2 0 8 0 percpumem 16 101 0 55 1 0 1 1 0 8 0 kstatmem 264 132 0 110 2 0 2 2 0 8 0 scxspl 216 34912 0 34911 11 10 1 8 1 8 0 plimitpl 152 283 0 256 2 0 2 2 0 8 0 sigapl 424 1837 0 1778 11 2 9 9 0 8 0 futexpl 64 9388 0 9387 6 5 1 1 0 8 0 knotepl 120 408 0 0 10 0 10 10 0 8 0 kqueuepl 216 269 0 260 5 4 1 5 0 8 0 pipepl 320 374 0 343 9 5 4 6 0 8 0 fdescpl 496 1818 0 1778 9 2 7 7 0 8 0 filepl 152 8367 0 8099 18 4 14 15 0 8 0 lockfpl 104 281 0 279 1 0 1 1 0 8 0 lockfspl 48 63 0 61 1 0 1 1 0 8 0 sessionpl 144 83 0 65 1 0 1 1 0 8 0 pgrppl 48 205 0 179 1 0 1 1 0 8 0 ucredpl 104 1533 0 1513 1 0 1 1 0 8 0 zombiepl 144 1779 0 1778 1 0 1 1 0 8 0 processpl 1160 1837 0 1778 7 1 6 6 0 8 0 procpl 648 2912 0 2847 7 0 7 7 0 8 0 srpgc 96 4 0 4 2 2 0 1 0 8 0 sosppl 168 4 0 4 2 2 0 1 0 8 0 sockpl 664 2296 0 2261 20 15 5 10 0 8 0 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 136 0 0 17 0 17 17 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 25 0 0 3 0 3 3 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 419 0 0 20 0 20 20 0 8 0 bufpl 280 7916 0 1089 488 0 488 488 0 8 0 anonpl 24 330256 0 318323 113 41 72 77 0 185 0 amapchunkpl 152 42237 0 41320 55 19 36 39 0 158 0 amappl16 200 6909 0 6748 52 43 9 14 0 8 0 amappl15 192 17 0 17 2 2 0 1 0 8 0 amappl14 184 235 0 224 1 0 1 1 0 8 0 amappl13 176 9 0 9 2 2 0 1 0 8 0 amappl12 168 3331 0 3291 5 2 3 3 0 8 0 amappl11 160 63 0 53 1 0 1 1 0 8 0 amappl10 152 41 0 41 1 1 0 1 0 8 0 amappl9 144 135 0 135 1 1 0 1 0 8 0 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 213 0 202 1 0 1 1 0 8 0 amappl6 120 715 0 714 1 0 1 1 0 8 0 amappl5 112 357 0 347 1 0 1 1 0 8 0 amappl4 104 479 0 464 1 0 1 1 0 8 0 amappl3 96 7982 0 7844 4 0 4 4 0 8 0 amappl2 88 1510 0 1440 2 0 2 2 0 8 0 amappl1 80 16960 0 16335 17 1 16 17 0 8 0 amappl 88 12441 0 12233 7 1 6 6 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 23 0 4 1 0 1 1 0 8 0 uaddrrnd 24 1818 0 1778 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1818 0 1778 1 0 1 1 0 8 0 vmmpekpl 168 16297 0 16244 5 1 4 5 0 8 0 vmmpepl 168 119307 0 116990 120 15 105 107 0 357 0 vmsppl 448 1817 0 1778 6 0 6 6 0 8 0 rwobjpl 56 40652 0 35938 69 2 67 67 0 8 0 pdppl 4096 3643 0 3556 315 226 89 115 0 8 2 pvpl 32 31774 0 0 256 0 256 256 0 265 0 pmappl 248 1817 0 1778 5 1 4 4 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 688 0 296 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83078e14) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_leave(fffffd806a9e9678) at mtx_leave+0x17c sys/kern/kern_lock.c:335 msleep(fffffd806a9e9590,fffffd806a9e9678,4,ffffffff832a21d0,0) at msleep+0x125 sys/kern/kern_synch.c:249 vm_map_lock_ln(fffffd806a9e9560,fffffd806a9d26c0,0) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250 uvm_mapanon(fffffd806a9e9560,ffff8000371fd7a0,21000,1000,2080713) at uvm_mapanon+0x292 uvm_mmapanon(fffffd806a9e9560,ffff8000371fd7a0,21000,3,7,5002,f33c96b2ccecc4f7,5002) at uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1019 sys_mmap(ffff8000371ce538,ffff8000371fd910,ffff8000371fd860) at sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 syscall(ffff8000371fd910) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371fd910) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ac012a9b040, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) 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 pmap_get_ptp(fffffd806cb873f0,202f9000) at pmap_get_ptp+0x163 sys/arch/amd64/amd64/pmap.c:1227 pmap_enter(fffffd806cb873f0,202f9000,69682000,3,33) at pmap_enter+0x389 uvm_fault_upper(ffff80002a5a7d70,ffff80002a5a7da8,ffff80002a5a7c70,2) at uvm_fault_upper+0x376 sys/uvm/uvm_fault.c:1056 uvm_fault(fffffd806a9e9560,202f9000,2,3) at uvm_fault+0x1b2 sys/uvm/uvm_fault.c:608 uvm_fault_wire(fffffd806a9e9560,20010000,21000000,3) at uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1602 uvm_map_pageable_wire(fffffd806a9e9560,fffffd806a4205b8,0,ffff8000371ce7c0,ffffffff822a59e0,0) at uvm_map_pageable_wire+0x40f sys/uvm/uvm_map.c:2127 sys_mlockall(ffff8000371ce7c0,ffff80002a5a8080,ffff80002a5a7fd0) at sys_mlockall+0x85 sys/uvm/uvm_mmap.c:898 syscall(ffff80002a5a8080) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a5a8080) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbcf72f72cf0, count: 3 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) 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 pmap_get_ptp(fffffd806cb873f0,202f9000) at pmap_get_ptp+0x163 sys/arch/amd64/amd64/pmap.c:1227 pmap_enter(fffffd806cb873f0,202f9000,69682000,3,33) at pmap_enter+0x389 uvm_fault_upper(ffff80002a5a7d70,ffff80002a5a7da8,ffff80002a5a7c70,2) at uvm_fault_upper+0x376 sys/uvm/uvm_fault.c:1056 uvm_fault(fffffd806a9e9560,202f9000,2,3) at uvm_fault+0x1b2 sys/uvm/uvm_fault.c:608 uvm_fault_wire(fffffd806a9e9560,20010000,21000000,3) at uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1602 uvm_map_pageable_wire(fffffd806a9e9560,fffffd806a4205b8,0,ffff8000371ce7c0,ffffffff822a59e0,0) at uvm_map_pageable_wire+0x40f sys/uvm/uvm_map.c:2127 sys_mlockall(ffff8000371ce7c0,ffff80002a5a8080,ffff80002a5a7fd0) at sys_mlockall+0x85 sys/uvm/uvm_mmap.c:898 syscall(ffff80002a5a8080) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a5a8080) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbcf72f72cf0, count: -12