panic: mtx 0xffffffff839a7b18: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *318167 1795 0 0 0 0 syz-executor 372750 5173 0 0 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e84e2) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839a7b18) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff839a7b18) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8007f45d08) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8007f45d08) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8007f45d08) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd80686dbcd8,0,ffff80003c50a848,ffff80003c50a82c,0,2,78b89871b1a645c1,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c50aa60,ffff80003c50aa98,ffff80003c50a8e0,ffff80003c50a8c8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c50aa60,ffff80003c50aa98,ffff80003c50a9e0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806b93a5c0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c50abf0,2000000001c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c50abf0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7b837f4f5c10, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: mtx 0xffffffff839a7b18: locking against myself ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e84e2) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839a7b18) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff839a7b18) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8007f45d08) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8007f45d08) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8007f45d08) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd80686dbcd8,0,ffff80003c50a848,ffff80003c50a82c,0,2,78b89871b1a645c1,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c50aa60,ffff80003c50aa98,ffff80003c50a8e0,ffff80003c50a8c8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c50aa60,ffff80003c50aa98,ffff80003c50a9e0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806b93a5c0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c50abf0,2000000001c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c50abf0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7b837f4f5c10, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c50a590 rbx 0xffffffff837eadcf cpu_info_full_primary+0x2dcf rdx 0 rcx 0xffff80003c455ff8 rax 0xffffffff837e9ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe8eb8baa4ff92a2e r11 0x8ffb3128e91c4df7 r12 0xffffffff837eabd0 cpu_info_full_primary+0x2bd0 r13 0 r14 0 r15 0x1 rip 0xffffffff819d7c55 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c50a580 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=318167 pid=1795 tcnt=3 stat=onproc flags process=0 proc=0 runpri=50, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800030ffad50,0xffff80003c455d60 process=0xffff8000fffeafa8 user=0xffff80003c505000, vmspace=0xfffffd806b93a5c0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND * 1795 318167 78749 0 7 0 syz-executor 1795 37049 78749 0 3 0x4000000 biowait syz-executor 1795 295806 78749 0 3 0x4000080 fsleep syz-executor 82190 412292 74713 0 3 0x80 nanoslp syz-executor 82190 271504 74713 0 3 0x4000080 fsleep syz-executor 82190 207232 74713 0 3 0x4000080 fsleep syz-executor 82190 455579 74713 0 3 0x4000080 kqsel syz-executor 13140 300977 49493 0 2 0 syz-executor 13140 248493 49493 0 3 0x4000080 fsleep syz-executor 5173 372750 75797 0 7 0 syz-executor 5173 307485 75797 0 3 0x4000080 pipewr syz-executor 5173 453944 75797 0 3 0x4000080 pipewr syz-executor 89214 335076 96986 0 3 0x80 nanoslp syz-executor 89214 435340 96986 0 3 0x4000080 ttyin syz-executor 89214 289099 96986 0 3 0x4000080 fsleep syz-executor 17381 422719 80735 0 3 0x80 nanoslp syz-executor 17381 262689 80735 0 3 0x4000080 netcon syz-executor 17381 376591 80735 0 3 0x4000080 fsleep syz-executor 17381 494407 80735 0 3 0x4000080 fsleep syz-executor 48622 376183 69774 0 3 0x90 nanoslp syz-executor 48622 194131 69774 0 3 0x4000090 kqread syz-executor 48622 242070 69774 0 3 0x4000090 fsleep syz-executor 48622 448254 69774 0 3 0x4000090 fsleep syz-executor 59296 158875 88090 0 3 0x80 nanoslp syz-executor 59296 468483 88090 0 3 0x4000080 msgwait syz-executor 59296 507472 88090 0 3 0x4000080 fsleep syz-executor 15883 151693 0 0 3 0x14280 nfsidl nfsio 86130 434076 0 0 3 0x14280 nfsidl nfsio 8977 227603 0 0 3 0x14280 nfsidl nfsio 42399 353068 0 0 3 0x14280 nfsidl nfsio 37004 245758 0 0 3 0x14280 nfsidl nfsio 38334 483332 0 0 3 0x14280 nfsidl nfsio 17985 252447 0 0 3 0x14280 nfsidl nfsio 21055 176702 0 0 3 0x14280 nfsidl nfsio 22203 378208 0 0 3 0x14280 nfsidl nfsio 11789 317593 0 0 3 0x14280 nfsidl nfsio 38077 241866 0 0 3 0x14280 nfsidl nfsio 32063 32455 0 0 3 0x14280 nfsidl nfsio 69943 329927 0 0 3 0x14280 nfsidl nfsio 14792 335466 0 0 3 0x14280 nfsidl nfsio 92238 14762 0 0 3 0x14280 nfsidl nfsio 81584 356452 0 0 3 0x14280 nfsidl nfsio 68631 283988 0 0 3 0x14280 nfsidl nfsio 72062 450482 0 0 3 0x14280 nfsidl nfsio 92983 285358 0 0 3 0x14280 nfsidl nfsio 69421 307363 0 0 3 0x14280 nfsidl nfsio 19412 232346 0 0 3 0x14200 acct acct 45613 233542 1 0 3 0x100083 ttyin getty 87570 476235 0 0 3 0x14200 bored sosplice 80735 432492 58532 0 3 0x82 nanoslp syz-executor 74713 137544 58532 0 3 0x82 nanoslp syz-executor 78749 493080 58532 0 3 0x82 nanoslp syz-executor 88090 140015 58532 0 3 0x82 nanoslp syz-executor 49493 15168 58532 0 3 0x82 nanoslp syz-executor 69774 264058 58532 0 3 0x82 nanoslp syz-executor 75797 256677 58532 0 3 0x82 nanoslp syz-executor 96986 78770 58532 0 3 0x82 nanoslp syz-executor 58532 331036 44305 0 3 0x82 kqread syz-executor 44305 469852 96509 0 3 0x10008a sigsusp ksh 96509 328979 60070 0 3 0x98 kqread sshd-session 60070 189162 35292 0 3 0x92 kqread sshd-session 35292 105659 1 0 3 0x88 kqread sshd 45007 17715 11069 74 3 0x1100092 bpf pflogd 11069 469452 1 0 3 0x80 sbwait pflogd 53640 164666 95920 73 3 0x1100090 kqread syslogd 95920 219605 1 0 3 0x100082 sbwait syslogd 61051 141084 1 0 3 0x100080 kqread resolvd 80934 27064 25421 77 3 0x100092 kqread dhcpleased 25597 83616 25421 77 3 0x100092 kqread dhcpleased 25421 89221 1 0 3 0x80 kqread dhcpleased 62610 178163 0 0 3 0x14200 bored smr 43492 501485 0 0 2 0x14200 zerothread 74614 212927 0 0 3 0x14200 aiodoned aiodoned 69102 450028 0 0 3 0x14200 syncer update 43751 507307 0 0 3 0x14200 cleaner cleaner 60618 178651 0 0 3 0x14200 reaper reaper 99062 268209 0 0 3 0x14200 pgdaemon pagedaemon 32597 416150 0 0 3 0x14200 bored viomb 20452 79779 0 0 3 0x40014200 acpi0 acpi0 9357 342907 0 0 3 0x40014200 idle1 47175 467960 0 0 3 0x14200 bored softnet3 3546 60477 0 0 3 0x14200 bored softnet2 47252 28143 0 0 3 0x14200 bored softnet1 54203 250471 0 0 3 0x14200 bored softnet0 72380 363892 0 0 3 0x14200 bored systqmp 58580 90986 0 0 3 0x14200 bored systq 6450 378485 0 0 3 0x14200 tmoslp softclockmp 90150 233665 0 0 3 0x40014200 tmoslp softclock 67078 220789 0 0 3 0x40014200 idle0 1 265881 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff839a7b28) #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+0x2d1 sys/uvm/uvm_fault.c:1652 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 #6 uvm_fault+0x278 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 1795 (syz-executor) thread 0xffff80003c455ff8 (318167) exclusive rwlock uobjlk r = 0 (0xfffffd805e604d98) #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+0x2d1 sys/uvm/uvm_fault.c:1652 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 #6 uvm_fault+0x278 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 (0xffffffff839a7b28) #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+0x2d1 sys/uvm/uvm_fault.c:1652 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 #6 uvm_fault+0x278 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 1795 (syz-executor) thread 0xffff80003c455800 (37049) exclusive rrwlock inode r = 0 (0xfffffd806d3b4d28) #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:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 sys_ftruncate+0x1c4 sys/kern/vfs_syscalls.c:2912 #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 1795 (syz-executor) thread 0xffff80003c456548 (295806) exclusive rwlock futexpl r = 0 (0xffffffff838e9560) #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 (0xffffffff837ec2f8) #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10208 11129K 11607K 166960K 12337 0 pcb 19 14K 16K 166960K 178 0 rtable 161 7K 8K 166960K 428 0 pf 35 17K 22K 166960K 120 0 ifaddr 34 5K 7K 166960K 73 0 ifgroup 53 2K 2K 166960K 119 0 sysctl 4 1K 1K 166960K 4 0 counters 64 36K 37K 166960K 128 0 ioctlops 0 0K 4K 166960K 1631 0 iov 1 8K 16K 166960K 38 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1458 92K 92K 166960K 2092 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 23 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 93K 166960K 677 0 sigio 0 0K 0K 166960K 15 0 proc 72 91K 128K 166960K 568 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 148 0 in_multi 66 4K 7K 166960K 123 0 ether_multi 1 0K 0K 166960K 2 0 mrt 1 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 419 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 274 176K 185K 166960K 7986 0 UVM aobj 18 2K 2K 166960K 21 0 pinsyscall 43 86K 105K 166960K 1769 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 34 0 NDP 12 0K 1K 166960K 48 0 temp 58 8687K 8755K 166960K 23634 0 kqueue 16 26K 30K 166960K 116 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 83 0 80 1 0 1 1 0 8 0 rtentry 176 124 0 58 6 0 6 6 0 8 0 unpcb 144 429 0 408 7 1 6 6 0 8 5 syncache 336 4 0 4 2 1 1 1 0 8 1 tcpcb 808 186 0 181 5 4 1 5 0 8 0 arp 128 20 0 7 1 0 1 1 0 8 0 inpcb 384 749 0 737 9 1 8 8 0 8 6 nd6 144 26 0 12 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 1 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 24 0 23 1 0 1 1 0 8 0 pppxif 1504 3 0 3 2 1 1 1 0 8 1 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pffrag 232 3 0 0 1 0 1 1 0 482 0 pffrnode 88 3 0 0 1 0 1 1 0 8 0 pffrent 40 5 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 pfrktable 1344 2 0 2 1 0 1 1 0 8 1 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 1 0 1 1 0 1 1 0 8 1 pfstitem 24 56 0 3 1 0 1 1 0 8 0 pfstkey 128 57 0 4 2 0 2 2 0 8 0 pfstate 384 57 0 4 6 0 6 6 0 8 0 pfrule 1344 26 0 21 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 550 0 236 29 1 28 29 0 8 5 art_table 32 552 0 236 4 0 4 4 0 8 0 art_node 16 122 0 63 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 5 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 19 0 9 1 0 1 1 0 8 0 shmpl 112 18 0 3 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2639 0 1133 95 0 95 95 0 8 0 ffsino 288 2639 0 1133 109 0 109 109 0 8 0 nchpl 144 3563 0 1874 63 0 63 63 0 8 0 rtmask 32 5 0 5 1 0 1 1 0 8 1 uvmvnodes 80 3181 0 0 65 0 65 65 0 8 0 vnodes 216 3181 0 0 177 0 177 177 0 8 0 namei 1024 11650 0 11650 2 1 1 2 0 8 1 percpumem 16 79 0 32 1 0 1 1 0 8 0 kstatmem 264 64 0 40 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 1 0 1 0 8 0 scxspl 216 10662 0 10660 10 2 8 8 1 8 7 plimitpl 152 201 0 184 1 0 1 1 0 8 0 sigapl 424 1002 0 930 11 2 9 9 0 8 0 futexpl 64 8671 0 8661 1 0 1 1 0 8 0 knotepl 120 526 0 0 16 0 16 16 0 8 0 kqueuepl 224 308 0 292 5 0 5 5 0 8 3 pipepl 336 154 0 125 3 0 3 3 0 8 0 fdescpl 520 961 0 929 3 0 3 3 0 8 0 filepl 160 5680 0 5441 17 0 17 17 0 8 6 lockfpl 104 246 0 242 1 0 1 1 0 8 0 lockfspl 48 81 0 77 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 43 0 26 1 0 1 1 0 8 0 ucredpl 104 868 0 854 1 0 1 1 0 8 0 zombiepl 144 930 0 930 1 0 1 1 0 8 1 processpl 1216 1002 0 930 6 0 6 6 0 8 0 procpl 680 1952 0 1862 9 1 8 8 0 8 0 srpgc 96 6 0 6 1 0 1 1 0 8 1 sosppl 168 4 0 4 2 1 1 1 0 8 1 sockpl 728 1277 0 1241 18 1 17 17 0 8 13 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 128 0 0 16 0 16 16 0 8 0 mcl2k 2048 24 3 0 3 0 3 3 0 8 0 mtagpl 96 19 0 0 1 0 1 1 0 8 0 mbufpl 256 500 0 0 32 0 32 32 0 8 0 bufpl 280 3237 0 131 222 0 222 222 0 8 0 anonpl 32 7557 0 0 61 0 61 61 0 246 0 amapchunkpl 152 26148 0 25549 33 2 31 32 0 158 7 amappl16 200 2580 0 2546 18 8 10 15 0 8 8 amappl15 192 7 0 7 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 1663 0 1631 4 2 2 3 0 8 0 amappl11 160 49 0 35 1 0 1 1 0 8 0 amappl10 152 3 0 2 1 0 1 1 0 8 0 amappl9 144 247 0 247 1 1 0 1 0 8 0 amappl8 136 25 0 23 1 0 1 1 0 8 0 amappl7 128 108 0 96 1 0 1 1 0 8 0 amappl6 120 177 0 174 1 0 1 1 0 8 0 amappl5 112 123 0 113 1 0 1 1 0 8 0 amappl4 104 314 0 295 1 0 1 1 0 8 0 amappl3 96 5013 0 4874 4 0 4 4 0 8 0 amappl2 88 626 0 563 2 0 2 2 0 8 0 amappl1 80 10345 0 9743 14 1 13 14 0 8 0 amappl 88 7205 0 7006 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 0 1 1 0 8 1 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 0 1 1 0 8 1 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 20 0 3 1 0 1 1 0 8 0 uaddrrnd 24 961 0 929 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 961 0 929 1 0 1 1 0 8 0 vmmpekpl 168 9263 0 9222 3 0 3 3 0 8 0 vmmpepl 168 64834 0 62758 99 0 99 99 0 357 8 vmsppl 480 960 0 929 5 1 4 5 0 8 0 rwobjpl 72 21833 0 17649 77 0 77 77 0 8 0 pdppl 4096 1930 0 1858 102 30 72 86 0 8 0 pvpl 32 14308 0 0 116 0 116 116 0 265 0 pmappl 256 960 0 929 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 423 0 40 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:438 panic(ffffffff833e84e2) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839a7b18) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff839a7b18) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8007f45d08) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8007f45d08) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8007f45d08) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd80686dbcd8,0,ffff80003c50a848,ffff80003c50a82c,0,2,78b89871b1a645c1,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c50aa60,ffff80003c50aa98,ffff80003c50a8e0,ffff80003c50a8c8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c50aa60,ffff80003c50aa98,ffff80003c50a9e0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806b93a5c0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c50abf0,2000000001c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c50abf0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7b837f4f5c10, count: -13 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) 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 end of kernel end trace frame: 0x70dde2f6d7a0, count: 12 ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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 end of kernel end trace frame: 0x70dde2f6d7a0, count: -3