panic: mutex 0xfffffd807307a830 not held in mtx_leave Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 40878 48510 0 0x10 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830777cb) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_leave(fffffd807307a830) at mtx_leave+0x17c sys/kern/kern_lock.c:335 msleep(fffffd807307a748,fffffd807307a830,4,ffffffff832017c0,0) at msleep+0x125 sys/kern/kern_synch.c:249 vm_map_lock_ln(fffffd807307a718,fffffd806bfa0ba0,0) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250 uvm_mapanon(fffffd807307a718,ffff800037281eb0,21000,1000,2080713) at uvm_mapanon+0x292 uvm_mmapanon(fffffd807307a718,ffff800037281eb0,21000,3,7,5002,ee0e633aae29c096,5002) at uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1019 sys_mmap(ffff8000ffff0038,ffff800037282020,ffff800037281f70) at sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 syscall(ffff800037282020) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037282020) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73ab40b75780, 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 0xfffffd807307a830 not held in mtx_leave ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830777cb) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_leave(fffffd807307a830) at mtx_leave+0x17c sys/kern/kern_lock.c:335 msleep(fffffd807307a748,fffffd807307a830,4,ffffffff832017c0,0) at msleep+0x125 sys/kern/kern_synch.c:249 vm_map_lock_ln(fffffd807307a718,fffffd806bfa0ba0,0) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250 uvm_mapanon(fffffd807307a718,ffff800037281eb0,21000,1000,2080713) at uvm_mapanon+0x292 uvm_mmapanon(fffffd807307a718,ffff800037281eb0,21000,3,7,5002,ee0e633aae29c096,5002) at uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1019 sys_mmap(ffff8000ffff0038,ffff800037282020,ffff800037281f70) at sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 syscall(ffff800037282020) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037282020) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73ab40b75780, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800037281a90 rbx 0xffffffff834a2dbf cpu_info_full_primary+0x2dbf rdx 0 rcx 0xffff8000ffff0038 rax 0xffffffff834a1ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xa372d082dfbc0486 r11 0x77a80ad051708fd1 r12 0xffffffff834a2bc0 cpu_info_full_primary+0x2bc0 r13 0 r14 0 r15 0x1 rip 0xffffffff813e7875 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800037281a80 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=342147 pid=48510 tcnt=3 stat=sleep flags process=10 proc=20 runpri=50, usrpri=50, slppri=4, nice=20 wchan=0xfffffd807307a748, wmesg=vmmapbsy, ps_single=0x0 scnt=0 ecnt=0 forw=0x0, list=0xffff80002a0502a0,0xffff8000ffff1c20 process=0xffff8000ffffb1e8 user=0xffff80003727d000, vmspace=0xfffffd807307a718 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *48510 342147 88619 0 3 0x30 vmmapbsy syz-executor 48510 285699 88619 0 3 0x4000090 fsleep syz-executor 48510 40878 88619 0 7 0x4000010 syz-executor 64576 116140 97838 0 2 0x100002 arp 28056 353323 29600 0 2 0 syz-executor 28056 398859 29600 0 3 0x4000080 fsleep syz-executor 97838 34525 89725 0 3 0x10008a sigsusp sh 12314 427054 91379 0 2 0 syz-executor 12314 117035 91379 0 3 0x4000080 fsleep syz-executor 12314 164741 91379 0 3 0x4000080 fsleep syz-executor 12314 386364 91379 0 3 0x4000080 fsleep syz-executor 41272 107782 20547 0 2 0x100002 arp 20547 315145 2834 0 3 0x10008a sigsusp sh 81531 203183 9470 0 2 0 syz-executor 35899 449901 97777 0 2 0x100000 sh 97777 270079 19289 0 2 0x100002 sh 92780 150369 92781 0 2 0 syz-executor 92780 70824 92781 0 3 0x4000080 kqread syz-executor 92780 509215 92781 0 3 0x4000080 kqread syz-executor 92780 208068 92781 0 3 0x4000080 fsleep syz-executor 19289 348141 41383 0 3 0x82 wait syz-executor 89725 388841 41383 0 3 0x82 wait syz-executor 2834 196298 41383 0 3 0x82 wait syz-executor 29600 82811 41383 0 3 0x82 nanoslp syz-executor 9470 132751 41383 0 3 0x82 nanoslp syz-executor 92781 315011 41383 0 3 0x82 nanoslp syz-executor 91379 123318 41383 0 3 0x82 nanoslp syz-executor 88619 473725 41383 0 3 0x82 nanoslp syz-executor 93208 14859 0 0 3 0x14200 bored sosplice 56476 130272 0 0 3 0x14280 nfsidl nfsio 70861 214206 0 0 3 0x14280 nfsidl nfsio 50338 262083 0 0 3 0x14280 nfsidl nfsio 61375 198156 0 0 3 0x14280 nfsidl nfsio 19919 276052 0 0 3 0x14280 nfsidl nfsio 67536 522140 0 0 3 0x14280 nfsidl nfsio 85461 378302 0 0 3 0x14280 nfsidl nfsio 10217 111826 0 0 3 0x14280 nfsidl nfsio 76122 435451 0 0 3 0x14280 nfsidl nfsio 35885 463899 0 0 3 0x14280 nfsidl nfsio 40998 97415 0 0 3 0x14280 nfsidl nfsio 60722 523821 0 0 3 0x14280 nfsidl nfsio 37490 224126 0 0 3 0x14280 nfsidl nfsio 27117 59374 0 0 3 0x14280 nfsidl nfsio 4630 433451 0 0 3 0x14280 nfsidl nfsio 26798 91192 0 0 3 0x14280 nfsidl nfsio 63260 61494 0 0 3 0x14280 nfsidl nfsio 67696 81422 0 0 3 0x14280 nfsidl nfsio 56596 517140 0 0 3 0x14280 nfsidl nfsio 13436 482439 0 0 3 0x14280 nfsidl nfsio 41383 81374 87319 0 3 0x82 kqread syz-executor 87319 501603 830 0 3 0x10008a sigsusp ksh 830 311684 2726 0 3 0x98 kqread sshd-session 2726 160879 73389 0 3 0x92 kqread sshd-session 72503 223459 1 0 3 0x100083 ttyin getty 73389 450635 1 0 3 0x88 kqread sshd 63995 70646 22240 74 3 0x1100092 bpf pflogd 22240 306405 1 0 3 0x80 sbwait pflogd 21352 359040 12155 73 3 0x1100010 ffs_fsync syslogd 12155 323142 1 0 3 0x100082 sbwait syslogd 9442 282305 1 0 3 0x100080 kqread resolvd 72509 61418 16159 77 3 0x100092 kqread dhcpleased 99374 416824 16159 77 3 0x100092 kqread dhcpleased 16159 387352 1 0 3 0x80 kqread dhcpleased 4694 271317 0 0 3 0x14200 bored smr 77125 416156 0 0 2 0x14200 zerothread 23668 420331 0 0 3 0x14200 aiodoned aiodoned 88031 354818 0 0 3 0x14200 syncer update 36794 332034 0 0 3 0x14200 cleaner cleaner 58866 215109 0 0 3 0x14200 reaper reaper 66933 120718 0 0 3 0x14200 pgdaemon pagedaemon 74056 496804 0 0 3 0x14200 bored viomb 14856 15203 0 0 3 0x40014200 acpi0 acpi0 88004 299684 0 0 3 0x40014200 idle1 22020 92174 0 0 3 0x14200 bored softnet3 10221 91215 0 0 3 0x14200 bored softnet2 95788 341578 0 0 3 0x14200 bored softnet1 3800 54041 0 0 3 0x14200 bored softnet0 74536 119609 0 0 3 0x14200 bored systqmp 60885 103295 0 0 3 0x14200 bored systq 58751 9363 0 0 3 0x14200 tmoslp softclockmp 97087 305946 0 0 3 0x40014200 tmoslp softclock 93399 314568 0 0 3 0x40014200 idle0 1 244376 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 (0xfffffd807307a870) #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+0x6b sys/uvm/uvm_map.c:5244 #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 48510 (syz-executor) thread 0xffff80002a050528 (40878) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83592d78) #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+0x21e sys/kern/kern_synch.c:416 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 vm_map_lock_ln+0x142 sys/uvm/uvm_map.c:5257 #6 uvm_map_clean+0x11b sys/uvm/uvm_map.c:4450 #7 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #7 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 Process 21352 (syslogd) thread 0xffff8000ffffd6d8 (359040) exclusive rrwlock inode r = 0 (0xfffffd806e4021b0) #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 sys_fsync+0x152 sys/kern/vfs_syscalls.c:2926 #6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10196 11117K 11384K 166960K 11568 0 pcb 17 16K 18K 166960K 174 0 rtable 191 5K 7K 166960K 608 0 pf 34 17K 18K 166960K 72 0 ifaddr 37 6K 7K 166960K 78 0 ifgroup 55 2K 2K 166960K 102 0 sysctl 3 1K 1K 166960K 3 0 counters 64 36K 36K 166960K 86 0 ioctlops 0 0K 4K 166960K 1618 0 iov 0 0K 16K 166960K 30 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1401 88K 89K 166960K 1825 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 18 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 21 77K 93K 166960K 603 0 sigio 0 0K 0K 166960K 5 0 proc 72 91K 128K 166960K 776 0 subproc 104 6K 6K 166960K 208 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 48 0 in_multi 69 5K 7K 166960K 174 0 ether_multi 1 0K 0K 166960K 4 0 mrt 0 0K 0K 166960K 2 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 518 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 236 72K 91K 166960K 6861 0 UVM aobj 12 4K 4K 166960K 15 0 pinsyscall 48 96K 106K 166960K 1868 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 24 0 NDP 18 0K 2K 166960K 50 0 temp 52 6818K 6928K 166960K 28672 0 kqueue 13 20K 28K 166960K 88 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 95 0 90 2 1 1 2 0 8 0 rtentry 112 191 0 104 4 0 4 4 0 8 1 unpcb 144 401 0 383 5 4 1 4 0 8 0 syncache 336 5 0 5 3 3 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 808 143 0 138 4 3 1 4 0 8 0 arp 120 37 0 21 1 0 1 1 0 8 0 inpcb 336 663 0 655 12 8 4 7 0 8 2 nd6 136 43 0 28 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 kcovpl 48 16 0 8 1 0 1 1 0 8 0 ppxss 1168 1 0 1 1 1 0 1 0 8 0 pffrag 232 8 0 5 2 1 1 1 0 482 0 pffrnode 88 7 0 5 2 1 1 1 0 8 0 pffrent 40 56 0 53 2 1 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 64 0 25 1 0 1 1 0 8 0 pfstkey 128 64 0 25 2 0 2 2 0 8 0 pfstate 376 64 0 25 6 0 6 6 0 8 0 pfrule 1344 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 713 0 380 30 0 30 30 0 8 8 art_table 32 714 0 380 4 0 4 4 0 8 1 art_node 16 190 0 110 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 6 2 2 0 1 0 8 0 semapl 112 15 0 5 1 0 1 1 0 8 0 shmpl 112 12 0 3 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2333 0 819 95 0 95 95 0 8 0 ffsino 272 2333 0 819 101 0 101 101 0 8 0 nchpl 144 3069 0 1375 63 0 63 63 0 8 0 uvmvnodes 80 2688 0 0 55 0 55 55 0 8 0 vnodes 216 2688 0 0 150 0 150 150 0 8 0 namei 1024 10527 0 10527 4 3 1 1 0 8 1 percpumem 16 57 0 11 1 0 1 1 0 8 0 kstatmem 264 46 0 22 2 0 2 2 0 8 0 scxspl 216 13743 0 13742 17 14 3 8 1 8 2 plimitpl 152 192 0 175 1 0 1 1 0 8 0 sigapl 424 909 0 835 9 0 9 9 0 8 0 futexpl 64 5960 0 5954 2 1 1 1 0 8 0 knotepl 120 514 0 0 16 0 16 16 0 8 0 kqueuepl 216 197 0 187 5 4 1 5 0 8 0 pipepl 320 154 0 127 3 0 3 3 0 8 0 fdescpl 496 870 0 835 6 1 5 5 0 8 0 filepl 152 4695 0 4449 18 5 13 16 0 8 2 lockfpl 104 149 0 147 1 0 1 1 0 8 0 lockfspl 48 67 0 65 1 0 1 1 0 8 0 sessionpl 144 32 0 23 1 0 1 1 0 8 0 pgrppl 48 50 0 33 1 0 1 1 0 8 0 ucredpl 104 804 0 790 1 0 1 1 0 8 0 zombiepl 144 835 0 835 1 0 1 1 0 8 1 processpl 1160 909 0 835 6 0 6 6 0 8 0 procpl 648 1517 0 1434 8 0 8 8 0 8 0 srpgc 96 2 0 2 1 0 1 1 0 8 1 sosppl 168 2 0 2 2 2 0 1 0 8 0 sockpl 664 1170 0 1139 14 8 6 9 0 8 2 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 148 0 0 19 0 19 19 0 8 0 mcl2k 2048 21 0 0 3 0 3 3 0 8 0 mtagpl 96 10 0 0 1 0 1 1 0 8 0 mbufpl 256 352 0 0 21 0 21 21 0 8 0 bufpl 280 7524 0 1350 442 0 442 442 0 8 0 anonpl 24 259552 0 256021 78 14 64 75 0 185 28 amapchunkpl 152 22797 0 22325 38 9 29 31 0 158 10 amappl16 200 8117 0 8106 36 26 10 29 0 8 8 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 134 0 120 1 0 1 1 0 8 0 amappl13 176 5 0 5 2 2 0 1 0 8 0 amappl12 168 1622 0 1587 4 1 3 3 0 8 1 amappl11 160 60 0 46 1 0 1 1 0 8 0 amappl10 152 29 0 29 1 1 0 1 0 8 0 amappl9 144 146 0 146 1 1 0 1 0 8 0 amappl8 136 51 0 49 1 0 1 1 0 8 0 amappl7 128 148 0 134 1 0 1 1 0 8 0 amappl6 120 239 0 234 1 0 1 1 0 8 0 amappl5 112 177 0 166 1 0 1 1 0 8 0 amappl4 104 339 0 319 1 0 1 1 0 8 0 amappl3 96 4372 0 4264 4 0 4 4 0 8 0 amappl2 88 787 0 711 2 0 2 2 0 8 0 amappl1 80 9762 0 9145 15 1 14 14 0 8 0 amappl 88 6398 0 6229 5 0 5 5 0 92 1 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 14 0 3 1 0 1 1 0 8 0 uaddrrnd 24 870 0 835 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 870 0 835 1 0 1 1 0 8 0 vmmpekpl 168 8079 0 8035 3 0 3 3 0 8 0 vmmpepl 168 64912 0 63002 110 13 97 107 0 357 13 vmsppl 448 869 0 835 6 2 4 5 0 8 0 rwobjpl 56 27022 0 23327 53 0 53 53 0 8 0 pdppl 4096 1747 0 1670 125 48 77 85 0 8 0 pvpl 32 27487 0 0 223 1 222 222 0 265 0 pmappl 248 869 0 835 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 434 0 70 11 0 11 11 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(ffffffff830777cb) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_leave(fffffd807307a830) at mtx_leave+0x17c sys/kern/kern_lock.c:335 msleep(fffffd807307a748,fffffd807307a830,4,ffffffff832017c0,0) at msleep+0x125 sys/kern/kern_synch.c:249 vm_map_lock_ln(fffffd807307a718,fffffd806bfa0ba0,0) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250 uvm_mapanon(fffffd807307a718,ffff800037281eb0,21000,1000,2080713) at uvm_mapanon+0x292 uvm_mmapanon(fffffd807307a718,ffff800037281eb0,21000,3,7,5002,ee0e633aae29c096,5002) at uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1019 sys_mmap(ffff8000ffff0038,ffff800037282020,ffff800037281f70) at sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 syscall(ffff800037282020) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037282020) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73ab40b75780, 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 mtx_enter(fffffd807307a860) at mtx_enter+0xa7 sys/kern/kern_lock.c:250 vm_map_unbusy_ln(fffffd807307a718,20800000,0) at vm_map_unbusy_ln+0x7d sys/uvm/uvm_map.c:5338 uvm_map_clean(fffffd807307a718,20000000,20800000,8) at uvm_map_clean+0xa68 sys/uvm/uvm_map.c:4590 syscall(ffff80003728e6c0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003728e6c0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa0399792730, count: 7 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 mtx_enter(fffffd807307a860) at mtx_enter+0xa7 sys/kern/kern_lock.c:250 vm_map_unbusy_ln(fffffd807307a718,20800000,0) at vm_map_unbusy_ln+0x7d sys/uvm/uvm_map.c:5338 uvm_map_clean(fffffd807307a718,20000000,20800000,8) at uvm_map_clean+0xa68 sys/uvm/uvm_map.c:4590 syscall(ffff80003728e6c0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003728e6c0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa0399792730, count: -8