panic: mtx 0xffffffff83914d18: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *212018 70710 0 0 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833dda5a) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83914d18) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff83914d18) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008304ef0) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008304ef0) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008304ef0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806b982e88,1000,ffff800030bf3a68,ffff800030bf3a44,0,2,4d3d3511e1d00a8f,ffff800030bf3cc0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800030bf3c88,ffff800030bf3cc0,ffff800030bf3af0,ffff800030bf3af8) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff800030bf3c88,ffff800030bf3cc0,ffff800030bf3c00) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806ba127a0,200000001000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800030bf3e10,200000001280) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800030bf3e10) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x77e1c57d25b0, count: 2 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: mtx 0xffffffff83914d18: locking against myself ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833dda5a) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83914d18) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff83914d18) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008304ef0) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008304ef0) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008304ef0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806b982e88,1000,ffff800030bf3a68,ffff800030bf3a44,0,2,4d3d3511e1d00a8f,ffff800030bf3cc0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800030bf3c88,ffff800030bf3cc0,ffff800030bf3af0,ffff800030bf3af8) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff800030bf3c88,ffff800030bf3cc0,ffff800030bf3c00) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806ba127a0,200000001000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800030bf3e10,200000001280) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800030bf3e10) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x77e1c57d25b0, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800030bf37b0 rbx 0xffff8000299eedcf rdx 0 rcx 0xffff80002a2a74a0 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xc480ecfdaf80f021 r11 0x4c9d281f2ca0c156 r12 0xffff8000299eebd0 r13 0 r14 0 r15 0x1 rip 0xffffffff81ae88d5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800030bf37a0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=212018 pid=70710 tcnt=4 stat=onproc flags process=0 proc=0 runpri=32, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a2a7c50,0xffff80002a2a6d00 process=0xffff80003c02c970 user=0xffff800030bee000, vmspace=0xfffffd806ba127a0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=1 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND *70710 212018 79048 0 7 0 syz-executor 70710 235690 79048 0 3 0x4000080 fsleep syz-executor 70710 219232 79048 0 3 0x4000000 biowait syz-executor 70710 93495 79048 0 3 0x4000080 fsleep syz-executor 59574 244176 8797 0 3 0x80 fsleep syz-executor 59574 218932 8797 0 3 0x4000080 kqsel syz-executor 9628 473322 16467 0 3 0x80 fsleep syz-executor 9628 101732 16467 0 3 0x4000080 rest syz-executor 9628 272050 16467 0 3 0x4000080 fsleep syz-executor 78860 353546 15017 0 3 0x80 fsleep syz-executor 78860 263522 15017 0 3 0x4000080 kqsel syz-executor 27611 202473 62899 60928 3 0x90 fsleep syz-executor 27611 91301 62899 60928 3 0x4000090 kqread syz-executor 52227 281065 92984 0 3 0x80 fsleep syz-executor 52227 502759 92984 0 3 0x4000080 kqpoll syz-executor 52227 510972 92984 0 3 0x4000080 fsleep syz-executor 52227 176083 92984 0 3 0x4000080 fsleep syz-executor 15017 445306 69902 0 3 0x82 nanoslp syz-executor 60697 450386 0 0 3 0x14200 acct acct 53726 34358 0 0 3 0x14200 bored sosplice 16467 381055 69902 0 3 0x82 nanoslp syz-executor 79048 267775 69902 0 3 0x82 nanoslp syz-executor 8797 388120 69902 0 3 0x82 nanoslp syz-executor 17398 343939 69902 0 3 0x2 biowait syz-executor 65967 198046 69902 0 3 0x82 wait syz-executor 62899 137690 69902 0 3 0x82 nanoslp syz-executor 92984 396621 69902 0 3 0x82 nanoslp syz-executor 69902 26879 55068 0 3 0x82 kqread syz-executor 55068 195021 89784 0 3 0x10008a sigsusp ksh 89784 121654 8696 0 3 0x98 kqread sshd-session 8696 196820 60046 0 3 0x92 kqread sshd-session 84503 232048 1 0 3 0x100083 ttyopn getty 60046 469146 1 0 3 0x88 kqread sshd 64053 207030 25191 74 3 0x1100092 bpf pflogd 25191 317724 1 0 3 0x80 sbwait pflogd 29904 490526 31624 73 3 0x1100090 kqread syslogd 31624 271330 1 0 3 0x100082 sbwait syslogd 6983 328412 1 0 3 0x100080 kqread resolvd 25660 506033 5045 77 3 0x100092 kqread dhcpleased 96921 325620 5045 77 3 0x100092 kqread dhcpleased 5045 114802 1 0 3 0x80 kqread dhcpleased 59259 79634 0 0 3 0x14200 bored smr 69666 106268 0 0 3 0x14200 pgzero zerothread 55722 269642 0 0 3 0x14200 aiodoned aiodoned 24531 289977 0 0 3 0x14200 syncer update 84075 287715 0 0 3 0x14200 cleaner cleaner 44000 100971 0 0 3 0x14200 reaper reaper 74622 48241 0 0 3 0x14200 pgdaemon pagedaemon 93900 288585 0 0 3 0x14200 bored viomb 35663 466302 0 0 3 0x40014200 acpi0 acpi0 52983 94362 0 0 3 0x40014200 idle1 54977 393633 0 0 3 0x14200 bored softnet3 25899 261967 0 0 3 0x14200 bored softnet2 82100 322927 0 0 3 0x14200 bored softnet1 82090 19887 0 0 3 0x14200 bored softnet0 98945 464140 0 0 3 0x14200 bored systqmp 38885 127391 0 0 3 0x14200 bored systq 37245 174794 0 0 3 0x14200 tmoslp softclockmp 41384 184556 0 0 3 0x40014200 tmoslp softclock 70983 162451 0 0 7 0x40014200 idle0 1 212741 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff83914d28) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x178 sys/kern/kern_lock.c:-1 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 uvn_get+0x679 sys/uvm/uvm_vnode.c:1117 #4 uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 #5 uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 #6 uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 Process 70710 (syz-executor) thread 0xffff80002a2a74a0 (212018) exclusive rwlock uobjlk r = 0 (0xfffffd806b899f50) #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+0x3ea sys/kern/kern_rwlock.c:316 #2 uvn_io+0x667 sys/uvm/uvm_vnode.c:1297 #3 uvn_get+0x31d sys/uvm/uvm_vnode.c:1102 #4 uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 #5 uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 #6 uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff83914d28) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x178 sys/kern/kern_lock.c:-1 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 uvn_get+0x679 sys/uvm/uvm_vnode.c:1117 #4 uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 #5 uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 #6 uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #8 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #9 recall_trap+0x8 Process 70710 (syz-executor) thread 0xffff80002a2a6cf0 (235690) exclusive rwlock futexpl r = 0 (0xffffffff83914718) #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+0x3ea sys/kern/kern_rwlock.c:316 #2 pool_get+0x10b sys/kern/subr_pool.c:583 #3 futex_get+0x309 sys/kern/sys_futex.c:171 #4 futex_wait+0x328 sys/kern/sys_futex.c:-1 #5 sys_futex+0x149 sys/kern/sys_futex.c:101 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive rwlock futex r = 0 (0xffffffff837d6fe8) #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+0x3ea sys/kern/kern_rwlock.c:316 #2 sys_futex+0x69 sys/kern/sys_futex.c:98 #3 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 Process 70710 (syz-executor) thread 0xffff80002a2a6020 (219232) exclusive rrwlock inode r = 0 (0xfffffd8069416520) #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+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 sys_ftruncate+0x1c4 sys/kern/vfs_syscalls.c:2920 #6 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 17398 (syz-executor) thread 0xffff80002a2cbc48 (343939) exclusive rrwlock inode r = 0 (0xfffffd80694161c0) #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+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #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: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:3117 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80741bd798) #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+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #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:3102 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10214 11235K 11363K 166960K 12656 0 pcb 20 14K 16K 166960K 235 0 rtable 220 9K 9K 166960K 513 0 pf 37 18K 22K 166960K 136 0 ifaddr 39 7K 8K 166960K 96 0 ifgroup 54 2K 2K 166960K 163 0 sysctl 4 1K 1K 166960K 4 0 counters 62 36K 37K 166960K 190 0 ioctlops 0 0K 4K 166960K 1604 0 iov 0 0K 20K 166960K 72 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1457 92K 92K 166960K 2291 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 15 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 60 0 dirhash 12 2K 3K 166960K 27 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 106K 166960K 888 0 sigio 1 0K 0K 166960K 25 0 proc 72 91K 140K 166960K 646 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 118 0 in_multi 84 6K 7K 166960K 149 0 ether_multi 1 0K 0K 166960K 1 0 mrt 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 489 0 fusefs mount 1 32K 32K 166960K 1 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 248 168K 180K 166960K 9747 0 UVM aobj 24 4K 4K 166960K 26 0 pinsyscall 42 84K 107K 166960K 2061 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 47 0 NDP 11 0K 2K 166960K 63 0 temp 61 8687K 8808K 166960K 27310 0 kqueue 15 24K 28K 166960K 137 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 92 0 89 1 0 1 1 0 8 0 rtentry 176 156 0 62 6 1 5 6 0 8 0 unpcb 144 484 0 464 4 2 2 3 0 8 1 syncache 336 7 0 7 3 2 1 1 0 8 1 tcpcb 808 227 0 223 9 1 8 8 0 8 7 arp 128 26 0 6 1 0 1 1 0 8 0 inpcb 384 865 0 853 18 10 8 8 0 8 6 nd6 144 32 0 12 1 0 1 1 0 8 0 pkpcb 40 8 0 8 3 2 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1192 45 0 45 2 1 1 1 0 8 1 pppxif 1504 9 0 9 2 1 1 1 0 8 1 pfstscr 40 3 0 3 1 0 1 1 0 8 1 pffrag 232 7 0 1 1 0 1 1 0 482 0 pffrnode 88 7 0 1 1 0 1 1 0 8 0 pffrent 40 9 0 3 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 pfrktable 1344 6 0 2 1 0 1 1 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 58 0 21 1 0 1 1 0 8 0 pfstkey 128 62 0 25 2 0 2 2 0 8 0 pfstate 384 60 0 24 5 0 5 5 0 8 0 pfrule 1344 26 0 19 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 661 0 270 30 2 28 29 0 8 0 art_table 32 662 0 270 4 0 4 4 0 8 0 art_node 16 153 0 71 1 0 1 1 0 8 0 sysvmsgpl 40 15 0 8 1 0 1 1 0 8 0 semapl 112 58 0 48 1 0 1 1 0 8 0 shmpl 112 23 0 2 1 0 1 1 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 3021 0 1517 96 0 96 96 0 8 0 ffsino 288 3021 0 1517 109 0 109 109 0 8 0 nchpl 144 4139 0 2445 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 1 0 1 0 8 0 uvmvnodes 80 2249 0 0 46 0 46 46 0 8 0 vnodes 216 2249 0 0 125 0 125 125 0 8 0 namei 1024 15149 0 15148 3 2 1 2 0 8 0 percpumem 16 109 0 64 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 82 0 60 2 0 2 2 0 8 0 scsiplug 72 3 0 3 2 2 0 1 0 8 0 scxspl 216 13159 0 13156 11 10 1 8 1 8 0 plimitpl 152 107 0 89 1 0 1 1 0 8 0 sigapl 424 1190 0 1139 7 1 6 7 0 8 0 futexpl 64 12551 0 12541 1 0 1 1 0 8 0 knotepl 120 319 0 0 10 0 10 10 0 8 0 kqueuepl 224 327 0 313 7 6 1 5 0 8 0 pipepl 336 177 0 150 3 0 3 3 0 8 0 fdescpl 520 1170 0 1139 3 0 3 3 0 8 0 filepl 160 7055 0 6826 20 7 13 17 0 8 2 lockfpl 104 187 0 183 1 0 1 1 0 8 0 lockfspl 48 83 0 79 1 0 1 1 0 8 0 sessionpl 144 28 0 19 1 0 1 1 0 8 0 pgrppl 48 49 0 32 1 0 1 1 0 8 0 ucredpl 104 804 0 790 1 0 1 1 0 8 0 zombiepl 144 1140 0 1139 1 0 1 1 0 8 0 processpl 1192 1190 0 1139 5 0 5 5 0 8 0 procpl 656 2414 0 2352 6 0 6 6 0 8 0 srpgc 96 6 0 6 2 2 0 1 0 8 0 sosppl 168 4 0 4 2 1 1 1 0 8 1 sockpl 728 1469 0 1435 15 6 9 9 0 8 5 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 124 0 0 16 0 16 16 0 8 0 mcl2k 2048 22 0 0 3 0 3 3 0 8 0 mtagpl 96 40 0 0 1 0 1 1 0 8 0 mbufpl 256 221 0 0 14 0 14 14 0 8 0 bufpl 280 3534 0 136 243 0 243 243 0 8 0 anonpl 24 185238 0 181791 47 1 46 46 0 184 12 amapchunkpl 152 31213 0 30706 33 11 22 28 0 158 1 amappl16 200 3402 0 3369 26 14 12 15 0 8 8 amappl15 192 20 0 20 1 1 0 1 0 8 0 amappl14 184 152 0 140 1 0 1 1 0 8 0 amappl13 176 9 0 8 1 0 1 1 0 8 0 amappl12 168 1857 0 1826 4 1 3 3 0 8 0 amappl11 160 54 0 39 1 0 1 1 0 8 0 amappl10 152 8 0 8 1 1 0 1 0 8 0 amappl9 144 251 0 251 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 120 207 0 203 1 0 1 1 0 8 0 amappl5 112 129 0 119 1 0 1 1 0 8 0 amappl4 104 343 0 322 1 0 1 1 0 8 0 amappl3 96 6200 0 6081 5 1 4 4 0 8 0 amappl2 88 721 0 656 2 0 2 2 0 8 0 amappl1 80 12593 0 11988 18 3 15 15 0 8 0 amappl 88 8865 0 8693 5 0 5 5 0 92 0 dma32768 32768 3 0 3 2 1 1 1 0 8 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 128 254 0 254 2 2 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 25 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1170 0 1139 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1170 0 1139 1 0 1 1 0 8 0 vmmpekpl 168 11036 0 10988 3 0 3 3 0 8 0 vmmpepl 168 79683 0 77673 101 2 99 100 0 357 6 vmsppl 480 1169 0 1139 5 0 5 5 0 8 0 rwobjpl 72 24950 0 21728 64 1 63 63 0 8 2 pdppl 4096 2347 0 2278 111 40 71 87 0 8 2 pvpl 32 15261 0 0 124 1 123 123 0 265 0 pmappl 256 1169 0 1139 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 412 0 50 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83883ff0) 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(ffffffff8396cb28) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8396cb28) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a2028e0,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1218 sched_idle(ffffffff83883ff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff83883ff0) 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(ffffffff8396cb28) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8396cb28) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a2028e0,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1218 sched_idle(ffffffff83883ff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833dda5a) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83914d18) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff83914d18) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008304ef0) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008304ef0) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008304ef0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806b982e88,1000,ffff800030bf3a68,ffff800030bf3a44,0,2,4d3d3511e1d00a8f,ffff800030bf3cc0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800030bf3c88,ffff800030bf3cc0,ffff800030bf3af0,ffff800030bf3af8) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff800030bf3c88,ffff800030bf3cc0,ffff800030bf3c00) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806ba127a0,200000001000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800030bf3e10,200000001280) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800030bf3e10) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x77e1c57d25b0, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833dda5a) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83914d18) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff83914d18) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008304ef0) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008304ef0) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008304ef0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806b982e88,1000,ffff800030bf3a68,ffff800030bf3a44,0,2,4d3d3511e1d00a8f,ffff800030bf3cc0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800030bf3c88,ffff800030bf3cc0,ffff800030bf3af0,ffff800030bf3af8) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff800030bf3c88,ffff800030bf3cc0,ffff800030bf3c00) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806ba127a0,200000001000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800030bf3e10,200000001280) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800030bf3e10) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x77e1c57d25b0, count: -13