panic: mtx 0xffffffff838f9ef0: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 516989 78930 0 0 0 0 syz-executor *394448 83866 0 0 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e3b44) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838f9ef0) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff838f9ef0) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8007e99200) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8007e99200) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8007e99200) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805fcb3700,0,ffff80003b02e178,ffff80003b02e15c,0,2,51b72ca710e32c66,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003b02e390,ffff80003b02e3c8,ffff80003b02e210,ffff80003b02e1f8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003b02e390,ffff80003b02e3c8,ffff80003b02e310) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806b762b60,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003b02e520,200000000140) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003b02e520) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7df923be03e0, 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 0xffffffff838f9ef0: locking against myself ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e3b44) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838f9ef0) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff838f9ef0) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8007e99200) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8007e99200) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8007e99200) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805fcb3700,0,ffff80003b02e178,ffff80003b02e15c,0,2,51b72ca710e32c66,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003b02e390,ffff80003b02e3c8,ffff80003b02e210,ffff80003b02e1f8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003b02e390,ffff80003b02e3c8,ffff80003b02e310) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806b762b60,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003b02e520,200000000140) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003b02e520) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7df923be03e0, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003b02dec0 rbx 0xffff8000299dedcf rdx 0 rcx 0xffff800038804298 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x23e32e41429f7d7e r11 0x206079d67a76f42f r12 0xffff8000299debd0 r13 0 r14 0 r15 0x1 rip 0xffffffff8307b4a5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003b02deb0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=394448 pid=83866 tcnt=4 stat=onproc flags process=0 proc=0 runpri=50, usrpri=76, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800038803000,0xffff80002a2d6ac0 process=0xffff8000fffec4e8 user=0xffff80003b029000, vmspace=0xfffffd806b762b60 estcpu=26, cpticks=3, pctcpu=0.4, user=7, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 78930 516989 84323 0 7 0 syz-executor 82178 27784 27328 0 2 0 syz-executor 82178 213403 27328 0 3 0x4000080 kqread syz-executor *83866 394448 36940 0 7 0 syz-executor 83866 269794 36940 0 3 0x4000000 biowait syz-executor 83866 68387 36940 0 3 0x4000080 fsleep syz-executor 83866 476052 36940 0 3 0x4000080 kqread syz-executor 96364 129182 40865 0 2 0 syz-executor 96364 374523 40865 0 3 0x4000080 fsleep syz-executor 4394 381207 68744 0 2 0 syz-executor 4394 430035 68744 0 3 0x4000080 sbwait syz-executor 31326 27997 9664 0 2 0 syz-executor 31326 221188 9664 0 3 0x4000080 fsleep syz-executor 73696 456363 93388 0 2 0 syz-executor 73696 17721 93388 0 3 0x4000080 fsleep syz-executor 73696 256868 93388 0 3 0x4000080 fsleep syz-executor 7698 461503 0 0 3 0x14280 nfsidl nfsio 87647 14476 0 0 3 0x14280 nfsidl nfsio 88638 133041 0 0 3 0x14280 nfsidl nfsio 59598 360567 0 0 3 0x14280 nfsidl nfsio 67402 384863 0 0 3 0x14280 nfsidl nfsio 11651 341125 0 0 3 0x14280 nfsidl nfsio 31001 314148 0 0 3 0x14280 nfsidl nfsio 156 94108 0 0 3 0x14280 nfsidl nfsio 18063 55763 0 0 3 0x14280 nfsidl nfsio 29789 17002 0 0 3 0x14280 nfsidl nfsio 80594 85530 0 0 3 0x14280 nfsidl nfsio 19048 222895 0 0 3 0x14280 nfsidl nfsio 39427 470188 0 0 3 0x14280 nfsidl nfsio 69187 340175 0 0 3 0x14280 nfsidl nfsio 44281 488376 0 0 3 0x14280 nfsidl nfsio 96547 374264 0 0 3 0x14280 nfsidl nfsio 4286 188271 0 0 3 0x14280 nfsidl nfsio 7134 112311 0 0 3 0x14280 nfsidl nfsio 71013 64027 0 0 3 0x14280 nfsidl nfsio 42920 209378 0 0 3 0x14280 nfsidl nfsio 19192 194381 0 0 3 0x14200 bored sosplice 36940 366846 48457 0 3 0x82 nanoslp syz-executor 84323 285843 48457 0 3 0x82 nanoslp syz-executor 27328 443442 48457 0 3 0x82 nanoslp syz-executor 37558 278826 48457 0 2 0x2 syz-executor 93388 101335 48457 0 2 0x2 syz-executor 40865 215377 48457 0 3 0x82 nanoslp syz-executor 9664 486930 48457 0 3 0x82 nanoslp syz-executor 68744 121640 48457 0 3 0x82 nanoslp syz-executor 48457 207501 47390 0 3 0x82 kqread syz-executor 47390 278797 52286 0 3 0x10008a sigsusp ksh 52286 169998 28437 0 3 0x98 kqread sshd-session 28437 506112 5705 0 3 0x92 kqread sshd-session 81413 49667 1 0 3 0x100083 ttyin getty 5705 283332 1 0 3 0x88 kqread sshd 98909 74956 75654 74 3 0x1100092 bpf pflogd 75654 289739 1 0 3 0x80 sbwait pflogd 38421 381500 15049 73 2 0x1100010 syslogd 15049 123080 1 0 3 0x100082 sbwait syslogd 26460 165663 1 0 3 0x100080 kqread resolvd 77022 488605 18193 77 3 0x100092 kqread dhcpleased 5579 308957 18193 77 3 0x100092 kqread dhcpleased 18193 326723 1 0 3 0x80 kqread dhcpleased 22160 199185 0 0 2 0x40014200 smr 43204 324642 0 0 2 0x14200 zerothread 71783 95112 0 0 3 0x14200 aiodoned aiodoned 45809 75826 0 0 3 0x14200 syncer update 74951 146039 0 0 3 0x14200 cleaner cleaner 90380 296181 0 0 3 0x14200 reaper reaper 83658 184418 0 0 3 0x14200 pgdaemon pagedaemon 75383 76679 0 0 3 0x14200 bored viomb 7884 375424 0 0 3 0x40014200 acpi0 acpi0 65138 77358 0 0 3 0x40014200 idle1 12356 127352 0 0 3 0x14200 bored softnet3 74523 338343 0 0 3 0x14200 bored softnet2 91267 343992 0 0 3 0x14200 bored softnet1 83155 289614 0 0 3 0x14200 bored softnet0 59518 270550 0 0 3 0x14200 bored systqmp 22043 219295 0 0 3 0x14200 bored systq 27129 431410 0 0 3 0x14200 tmoslp softclockmp 22619 53250 0 0 3 0x40014200 tmoslp softclock 44699 492391 0 0 3 0x40014200 idle0 1 367519 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 (0xffffffff838f9f00) #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 83866 (syz-executor) thread 0xffff800038804298 (394448) exclusive rwlock uobjlk r = 0 (0xfffffd806652c898) #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 (0xffffffff838f9f00) #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 83866 (syz-executor) thread 0xffff80002a2d6ab0 (269794) exclusive rrwlock inode r = 0 (0xfffffd806b911520) #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 83866 (syz-executor) thread 0xffff80002a2d6560 (68387) exclusive rwlock futexpl r = 0 (0xffffffff83925cb0) #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 (0xffffffff838142a8) #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 4394 (syz-executor) thread 0xffff80003b035d50 (430035) exclusive rrwlock inode r = 0 (0xfffffd806b911be0) #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 vget+0x2bd sys/kern/vfs_subr.c:693 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x21b sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 vn_open+0x13f sys/kern/vfs_vnops.c:140 #12 vndioctl+0xcb1 sys/dev/vnd.c:457 #13 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #14 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #15 sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 #16 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #16 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #17 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10201 11097K 11223K 166960K 11445 0 pcb 17 12K 12K 166960K 38 0 rtable 249 9K 9K 166960K 395 0 pf 34 17K 18K 166960K 54 0 ifaddr 43 7K 7K 166960K 48 0 ifgroup 55 2K 2K 166960K 61 0 sysctl 4 1K 1K 166960K 4 0 counters 64 36K 36K 166960K 78 0 ioctlops 0 0K 4K 166960K 1499 0 iov 0 0K 12K 166960K 7 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1371 86K 86K 166960K 1499 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 7 0K 0K 166960K 9 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 85K 166960K 279 0 sigio 0 0K 0K 166960K 2 0 proc 72 91K 140K 166960K 550 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 2 0K 0K 166960K 26 0 in_multi 99 7K 7K 166960K 103 0 ether_multi 1 0K 0K 166960K 1 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 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 378 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 244 169K 176K 166960K 4269 0 UVM aobj 5 2K 2K 166960K 5 0 pinsyscall 43 86K 102K 166960K 1377 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 7 0 NDP 12 0K 1K 166960K 32 0 temp 40 8679K 8743K 166960K 7957 0 kqueue 16 26K 26K 166960K 39 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 53 0 50 1 0 1 1 0 8 0 rtentry 176 119 0 6 6 0 6 6 0 8 0 unpcb 144 230 0 211 4 0 4 4 0 8 3 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 808 33 0 28 1 0 1 1 0 8 0 arp 128 20 0 1 1 0 1 1 0 8 0 inpcb 384 220 0 209 8 0 8 8 0 8 6 nd6 144 26 0 0 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 7 0 7 1 0 1 1 0 8 1 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 2 0 0 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 24 0 0 1 0 1 1 0 8 0 pfstkey 128 24 0 0 1 0 1 1 0 8 0 pfstate 384 24 0 0 3 0 3 3 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 490 0 33 31 0 31 31 0 8 2 art_table 32 491 0 33 4 0 4 4 0 8 0 art_node 16 117 0 14 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1 semapl 112 5 0 0 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1816 0 303 95 0 95 95 0 8 0 ffsino 288 1816 0 303 109 0 109 109 0 8 0 nchpl 144 2217 0 524 63 0 63 63 0 8 0 rtmask 32 4 0 4 1 0 1 1 0 8 1 uvmvnodes 80 1996 0 0 41 0 41 41 0 8 0 vnodes 216 1996 0 0 111 0 111 111 0 8 0 namei 1024 6964 0 6964 2 0 2 2 0 8 2 percpumem 16 54 0 7 1 0 1 1 0 8 0 kstatmem 264 30 0 6 2 0 2 2 0 8 0 scxspl 216 6935 0 6933 3 2 1 2 1 8 0 plimitpl 152 43 0 26 1 0 1 1 0 8 0 sigapl 424 604 0 533 8 0 8 8 0 8 0 futexpl 64 2208 0 2203 1 0 1 1 0 8 0 knotepl 120 484 0 0 15 0 15 15 0 8 0 kqueuepl 224 51 0 39 1 0 1 1 0 8 0 pipepl 336 117 0 90 3 0 3 3 0 8 0 fdescpl 520 565 0 533 3 0 3 3 0 8 0 filepl 160 2428 0 2200 14 0 14 14 0 8 4 lockfpl 104 50 0 46 1 0 1 1 0 8 0 lockfspl 48 24 0 20 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 30 0 13 1 0 1 1 0 8 0 ucredpl 104 196 0 182 1 0 1 1 0 8 0 zombiepl 144 534 0 533 1 0 1 1 0 8 0 processpl 1216 604 0 533 6 0 6 6 0 8 0 procpl 680 873 0 793 7 0 7 7 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 728 507 0 475 10 0 10 10 0 8 7 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 132 0 0 17 0 17 17 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mtagpl 96 9 0 0 1 0 1 1 0 8 0 mbufpl 256 154 0 0 10 0 10 10 0 8 0 bufpl 280 2530 0 126 172 0 172 172 0 8 0 anonpl 32 5449 0 0 44 0 44 44 0 246 0 amapchunkpl 152 12688 0 12062 25 0 25 25 0 158 0 amappl16 200 1948 0 1920 5 3 2 5 0 8 0 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 118 0 105 1 0 1 1 0 8 0 amappl13 176 25 0 25 1 1 0 1 0 8 0 amappl12 168 1216 0 1184 3 1 2 2 0 8 0 amappl11 160 53 0 39 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 246 0 246 1 1 0 1 0 8 0 amappl8 136 23 0 21 1 0 1 1 0 8 0 amappl7 128 104 0 92 1 0 1 1 0 8 0 amappl6 120 183 0 180 1 0 1 1 0 8 0 amappl5 112 126 0 115 1 0 1 1 0 8 0 amappl4 104 326 0 306 1 0 1 1 0 8 0 amappl3 96 2256 0 2140 4 0 4 4 0 8 1 amappl2 88 640 0 577 2 0 2 2 0 8 0 amappl1 80 8785 0 8182 15 0 15 15 0 8 1 amappl 88 3557 0 3388 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 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 565 0 533 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 565 0 533 1 0 1 1 0 8 0 vmmpekpl 168 6362 0 6329 2 0 2 2 0 8 0 vmmpepl 168 41786 0 39777 89 0 89 89 0 357 1 vmsppl 480 564 0 533 5 0 5 5 0 8 1 rwobjpl 72 15955 0 13029 55 1 54 54 0 8 0 pdppl 4096 1138 0 1066 100 28 72 84 0 8 0 pvpl 32 12880 0 0 104 0 104 104 0 265 0 pmappl 256 564 0 533 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 391 0 30 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837f2ff0) 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(ffffffff838f3e30) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838f3e30) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80003b027c00,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f pool_get(a2058a4204ec12b9,0) at pool_get+0xb sys/kern/subr_pool.c:566 uvmfault_promote(ffff80003b027f00,fffffd800885c9e0,ffff80003b027d70,ffff80003b027d78) at uvmfault_promote+0x103 sys/uvm/uvm_fault.c:-1 uvm_fault_upper(ffff80003b027f00,ffff80003b027f38,ffff80003b027e00) at uvm_fault_upper+0x6f6 sys/uvm/uvm_fault.c:-1 uvm_fault(fffffd806b7625c0,37c0390a000,0,2) at uvm_fault+0x19c sys/uvm/uvm_fault.c:685 upageflttrap(ffff80003b028090,37c0390a7b0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003b028090) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x77a1da7f5cb0, count: 2 ddb{0}> trace x86_ipi_db(ffffffff837f2ff0) 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(ffffffff838f3e30) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838f3e30) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80003b027c00,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f pool_get(a2058a4204ec12b9,0) at pool_get+0xb sys/kern/subr_pool.c:566 uvmfault_promote(ffff80003b027f00,fffffd800885c9e0,ffff80003b027d70,ffff80003b027d78) at uvmfault_promote+0x103 sys/uvm/uvm_fault.c:-1 uvm_fault_upper(ffff80003b027f00,ffff80003b027f38,ffff80003b027e00) at uvm_fault_upper+0x6f6 sys/uvm/uvm_fault.c:-1 uvm_fault(fffffd806b7625c0,37c0390a000,0,2) at uvm_fault+0x19c sys/uvm/uvm_fault.c:685 upageflttrap(ffff80003b028090,37c0390a7b0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003b028090) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x77a1da7f5cb0, count: -13 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(ffffffff833e3b44) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838f9ef0) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff838f9ef0) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8007e99200) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8007e99200) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8007e99200) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805fcb3700,0,ffff80003b02e178,ffff80003b02e15c,0,2,51b72ca710e32c66,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003b02e390,ffff80003b02e3c8,ffff80003b02e210,ffff80003b02e1f8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003b02e390,ffff80003b02e3c8,ffff80003b02e310) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806b762b60,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003b02e520,200000000140) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003b02e520) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7df923be03e0, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e3b44) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838f9ef0) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff838f9ef0) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8007e99200) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8007e99200) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8007e99200) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805fcb3700,0,ffff80003b02e178,ffff80003b02e15c,0,2,51b72ca710e32c66,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003b02e390,ffff80003b02e3c8,ffff80003b02e210,ffff80003b02e1f8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003b02e390,ffff80003b02e3c8,ffff80003b02e310) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806b762b60,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003b02e520,200000000140) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003b02e520) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7df923be03e0, count: -13