panic: mtx 0xffffffff83914d18: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *178784 44487 0 0 0 1 syz-executor 105787 57439 0 0 0 0 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(fffffd8008643f38) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008643f38) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008643f38) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805edcac08,0,ffff80003a809c58,ffff80003a809c34,0,2,63c2bc5811e3e990,ffff80003a809eb0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003a809e78,ffff80003a809eb0,ffff80003a809ce0,ffff80003a809ce8) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80003a809e78,ffff80003a809eb0,ffff80003a809df0) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806b8e25b8,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003a80a000,200000000140) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003a80a000) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7185cb8bde70, 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(fffffd8008643f38) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008643f38) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008643f38) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805edcac08,0,ffff80003a809c58,ffff80003a809c34,0,2,63c2bc5811e3e990,ffff80003a809eb0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003a809e78,ffff80003a809eb0,ffff80003a809ce0,ffff80003a809ce8) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80003a809e78,ffff80003a809eb0,ffff80003a809df0) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806b8e25b8,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003a80a000,200000000140) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003a80a000) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7185cb8bde70, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003a8099a0 rbx 0xffff8000299eedcf rdx 0 rcx 0xffff8000fffe7738 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x867aa6b1bb31f117 r11 0x22372da9d88568b8 r12 0xffff8000299eebd0 r13 0 r14 0 r15 0x1 rip 0xffffffff81ae88d5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003a809990 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=178784 pid=44487 tcnt=3 stat=onproc flags process=0 proc=0 runpri=50, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffe6f88,0xffff8000fffe6038 process=0xffff8000fffe8970 user=0xffff80003a805000, vmspace=0xfffffd806b8e25b8 estcpu=36, cpticks=3, pctcpu=0.0, user=2, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 19774 392304 61374 0 2 0 syz-executor 19774 359981 61374 0 3 0x4000080 fsleep syz-executor *44487 178784 74129 0 7 0 syz-executor 44487 432571 74129 0 3 0x4000000 biowait syz-executor 44487 93139 74129 0 3 0x4000080 fsleep syz-executor 53792 37193 49404 0 2 0 syz-executor 53792 477750 49404 0 3 0x4000080 ttyopn syz-executor 13377 163127 8556 0 3 0x80 nanoslp syz-executor 13377 235822 8556 0 3 0x4000080 fsleep syz-executor 13377 354990 8556 0 3 0x4000080 fsleep syz-executor 18569 328057 3253 0 2 0 syz-executor 18569 267908 3253 0 2 0x4000000 syz-executor 18569 211757 3253 0 2 0x4000000 syz-executor 57439 105787 49983 0 7 0 syz-executor 57439 511252 49983 0 3 0x4000080 fsleep syz-executor 72604 19333 89563 0 2 0 syz-executor 72604 487839 89563 0 3 0x4000080 sbwait syz-executor 72604 211365 89563 0 3 0x4000080 fsleep syz-executor 76960 451078 0 0 3 0x14200 bored sosplice 89563 216981 22811 0 3 0x82 nanoslp syz-executor 49983 445645 22811 0 3 0x82 nanoslp syz-executor 49404 131298 22811 0 3 0x82 nanoslp syz-executor 36122 196065 22811 0 3 0x2 biowait syz-executor 61374 90655 22811 0 3 0x82 nanoslp syz-executor 8556 401988 22811 0 3 0x82 nanoslp syz-executor 74129 205240 22811 0 3 0x82 nanoslp syz-executor 3253 513857 22811 0 2 0x2 syz-executor 22811 428272 97254 0 3 0x82 kqread syz-executor 97254 400385 60341 0 3 0x10008a sigsusp ksh 60341 109899 38185 0 3 0x98 kqread sshd-session 38185 345563 52565 0 3 0x92 kqread sshd-session 53106 360998 1 0 3 0x100083 ttyin getty 52565 225953 1 0 3 0x88 kqread sshd 29787 240518 7235 74 3 0x1100092 bpf pflogd 7235 314969 1 0 3 0x80 sbwait pflogd 74887 486288 46057 73 3 0x1100090 kqread syslogd 46057 225944 1 0 3 0x100082 sbwait syslogd 71279 233253 1 0 3 0x100080 kqread resolvd 73111 459205 86974 77 3 0x100092 kqread dhcpleased 11443 432618 86974 77 3 0x100092 kqread dhcpleased 86974 126488 1 0 3 0x80 kqread dhcpleased 31129 308260 0 0 3 0x14200 bored smr 80040 251030 0 0 2 0x14200 zerothread 43390 273100 0 0 3 0x14200 aiodoned aiodoned 81864 459696 0 0 3 0x14200 syncer update 69889 227454 0 0 3 0x14200 cleaner cleaner 38690 379159 0 0 3 0x14200 reaper reaper 34476 330232 0 0 3 0x14200 pgdaemon pagedaemon 49135 185356 0 0 3 0x14200 bored viomb 47226 41116 0 0 3 0x40014200 acpi0 acpi0 34105 30341 0 0 3 0x40014200 idle1 22017 80861 0 0 3 0x14200 bored softnet3 16120 124534 0 0 3 0x14200 bored softnet2 71787 273048 0 0 3 0x14200 bored softnet1 68663 395703 0 0 3 0x14200 bored softnet0 2269 468320 0 0 3 0x14200 bored systqmp 99723 475685 0 0 3 0x14200 bored systq 63777 94651 0 0 3 0x14200 tmoslp softclockmp 84597 452536 0 0 3 0x40014200 tmoslp softclock 16712 296662 0 0 3 0x40014200 idle0 1 319339 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 44487 (syz-executor) thread 0xffff8000fffe7738 (178784) exclusive rwlock uobjlk r = 0 (0xfffffd805efd36f0) #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 44487 (syz-executor) thread 0xffff8000ffff07d0 (432571) exclusive rrwlock inode r = 0 (0xfffffd806de681d0) #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 44487 (syz-executor) thread 0xffff8000ffff0a60 (93139) 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 36122 (syz-executor) thread 0xffff80002a2b5c48 (196065) exclusive rrwlock inode r = 0 (0xfffffd806b6c5e20) #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 vget+0x2bd sys/kern/vfs_subr.c:694 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1866 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c816558) #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1866 #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 10191 11098K 11422K 166960K 11711 0 pcb 17 12K 12K 166960K 55 0 rtable 241 8K 8K 166960K 377 0 pf 34 17K 19K 166960K 59 0 ifaddr 43 7K 7K 166960K 52 0 ifgroup 55 2K 2K 166960K 66 0 sysctl 3 1K 1K 166960K 4 0 counters 64 36K 36K 166960K 76 0 ioctlops 0 0K 4K 166960K 1530 0 iov 0 0K 8K 166960K 4 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1347 85K 85K 166960K 1491 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 5 0K 0K 166960K 6 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 97K 166960K 303 0 sigio 0 0K 0K 166960K 40 0 proc 72 91K 140K 166960K 557 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 13 0 in_multi 98 7K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 3 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 417 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 233 167K 181K 166960K 4416 0 UVM aobj 7 2K 2K 166960K 9 0 pinsyscall 42 84K 108K 166960K 1391 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 12 0 NDP 12 0K 2K 166960K 32 0 temp 38 8679K 8750K 166960K 5534 0 kqueue 13 20K 30K 166960K 49 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 43 0 40 1 0 1 1 0 8 0 rtentry 176 116 0 6 6 0 6 6 0 8 0 unpcb 144 217 0 195 2 0 2 2 0 8 1 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 808 123 0 116 8 0 8 8 0 8 7 arp 128 20 0 2 1 0 1 1 0 8 0 inpcb 384 293 0 279 8 0 8 8 0 8 6 nd6 144 24 0 0 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 5 0 5 1 0 1 1 0 8 1 pffrag 232 5 0 0 1 0 1 1 0 482 0 pffrnode 88 5 0 0 1 0 1 1 0 8 0 pffrent 40 6 0 1 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 27 0 0 1 0 1 1 0 8 0 pfstkey 128 27 0 0 1 0 1 1 0 8 0 pfstate 384 27 0 0 3 0 3 3 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 256 457 0 4 29 0 29 29 0 8 0 art_table 32 458 0 4 4 0 4 4 0 8 0 art_node 16 114 0 15 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 1 1 0 1 1 0 8 0 semapl 112 4 0 1 1 0 1 1 0 8 0 shmpl 112 6 0 2 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 1843 0 329 95 0 95 95 0 8 0 ffsino 288 1843 0 329 109 0 109 109 0 8 0 nchpl 144 2264 0 571 63 0 63 63 0 8 0 rtmask 32 2 0 2 1 0 1 1 0 8 1 uvmvnodes 80 2017 0 0 42 0 42 42 0 8 0 vnodes 216 2017 0 0 113 0 113 113 0 8 0 namei 1024 7207 0 7207 2 0 2 2 0 8 2 percpumem 16 52 0 6 1 0 1 1 0 8 0 kstatmem 264 32 0 8 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 7307 0 7304 11 3 8 8 1 8 7 plimitpl 152 44 0 27 1 0 1 1 0 8 0 sigapl 424 604 0 554 7 0 7 7 0 8 1 futexpl 64 2741 0 2735 1 0 1 1 0 8 0 knotepl 120 427 0 0 13 0 13 13 0 8 0 kqueuepl 224 78 0 69 2 0 2 2 0 8 1 pipepl 336 113 0 86 3 0 3 3 0 8 0 fdescpl 520 585 0 554 3 0 3 3 0 8 0 filepl 160 2628 0 2395 13 0 13 13 0 8 3 lockfpl 104 100 0 93 1 0 1 1 0 8 0 lockfspl 48 34 0 28 1 0 1 1 0 8 0 sessionpl 144 24 0 15 1 0 1 1 0 8 0 pgrppl 48 35 0 17 1 0 1 1 0 8 0 ucredpl 104 274 0 261 1 0 1 1 0 8 0 zombiepl 144 554 0 554 1 0 1 1 0 8 1 processpl 1192 604 0 554 5 0 5 5 0 8 0 procpl 656 899 0 838 6 0 6 6 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 728 555 0 517 10 0 10 10 0 8 6 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 120 0 0 15 0 15 15 0 8 0 mcl2k 2048 20 0 0 3 0 3 3 0 8 0 mtagpl 96 80 0 0 2 0 2 2 0 8 0 mbufpl 256 217 0 0 14 0 14 14 0 8 0 bufpl 280 2519 0 122 172 0 172 172 0 8 0 anonpl 24 115763 0 112479 46 0 46 46 0 184 18 amapchunkpl 152 13127 0 12666 23 0 23 23 0 158 3 amappl16 200 2326 0 2295 15 4 11 15 0 8 8 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 115 0 103 1 0 1 1 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 1223 0 1192 4 1 3 3 0 8 0 amappl11 160 51 0 37 1 0 1 1 0 8 0 amappl10 152 5 0 5 1 1 0 1 0 8 0 amappl9 144 242 0 241 1 0 1 1 0 8 0 amappl8 136 27 0 25 1 0 1 1 0 8 0 amappl7 128 112 0 99 1 0 1 1 0 8 0 amappl6 120 182 0 179 1 0 1 1 0 8 0 amappl5 112 120 0 111 1 0 1 1 0 8 0 amappl4 104 321 0 299 1 0 1 1 0 8 0 amappl3 96 2405 0 2298 4 0 4 4 0 8 1 amappl2 88 640 0 577 2 0 2 2 0 8 0 amappl1 80 9224 0 8614 15 0 15 15 0 8 1 amappl 88 3702 0 3543 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 8 0 2 1 0 1 1 0 8 0 uaddrrnd 24 585 0 554 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 585 0 554 1 0 1 1 0 8 0 vmmpekpl 168 6542 0 6508 2 0 2 2 0 8 0 vmmpepl 168 44046 0 42076 100 0 100 100 0 357 8 vmsppl 480 584 0 554 5 0 5 5 0 8 1 rwobjpl 72 16933 0 13984 55 0 55 55 0 8 0 pdppl 4096 1177 0 1108 101 30 71 87 0 8 2 pvpl 32 13749 0 0 111 0 111 111 0 265 0 pmappl 256 584 0 554 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 392 0 32 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(ffff80003c4645a0,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __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 uvm_fault(fffffd806b8e21f8,733e2c93000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:689 upageflttrap(ffff80003c464930,733e2c93000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c464930) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x74af1e06a630, count: 4 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(ffff80003c4645a0,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __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 uvm_fault(fffffd806b8e21f8,733e2c93000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:689 upageflttrap(ffff80003c464930,733e2c93000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c464930) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x74af1e06a630, count: -11 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(fffffd8008643f38) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008643f38) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008643f38) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805edcac08,0,ffff80003a809c58,ffff80003a809c34,0,2,63c2bc5811e3e990,ffff80003a809eb0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003a809e78,ffff80003a809eb0,ffff80003a809ce0,ffff80003a809ce8) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80003a809e78,ffff80003a809eb0,ffff80003a809df0) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806b8e25b8,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003a80a000,200000000140) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003a80a000) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7185cb8bde70, 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(fffffd8008643f38) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008643f38) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008643f38) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805edcac08,0,ffff80003a809c58,ffff80003a809c34,0,2,63c2bc5811e3e990,ffff80003a809eb0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003a809e78,ffff80003a809eb0,ffff80003a809ce0,ffff80003a809ce8) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80003a809e78,ffff80003a809eb0,ffff80003a809df0) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806b8e25b8,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003a80a000,200000000140) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003a80a000) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7185cb8bde70, count: -13