panic: mtx 0xffffffff839b05f0: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *394678 75365 32767 0x10 0 1 syz-executor 326075 56216 32767 0x10 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833f2b85) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839b05f0) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff839b05f0) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd80083d9640) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80083d9640) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80083d9640) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd80651cc018,0,ffff800039019768,ffff80003901974c,0,2,dd08e7effc21180b,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800039019980,ffff8000390199b8,ffff800039019800,ffff8000390197e8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800039019980,ffff8000390199b8,ffff800039019900) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806b8d5990,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800039019b10,2000000000c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800039019b10) at usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x733f0db15b60, 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 0xffffffff839b05f0: locking against myself ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833f2b85) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839b05f0) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff839b05f0) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd80083d9640) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80083d9640) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80083d9640) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd80651cc018,0,ffff800039019768,ffff80003901974c,0,2,dd08e7effc21180b,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800039019980,ffff8000390199b8,ffff800039019800,ffff8000390197e8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800039019980,ffff8000390199b8,ffff800039019900) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806b8d5990,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800039019b10,2000000000c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800039019b10) at usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x733f0db15b60, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000390194a0 rbx 0xffff8000299dedd7 rdx 0 rcx 0xffff80003c46e7e0 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xf15ae78a98546895 r11 0x1ff6cb97e38284e7 r12 0xffff8000299debd8 r13 0 r14 0 r15 0x1 rip 0xffffffff82192465 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800039019490 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=394678 pid=75365 tcnt=4 stat=onproc flags process=10 proc=0 runpri=50, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c46e550,0xffff80003c46e2d0 process=0xffff800038011380 user=0xffff800039014000, vmspace=0xfffffd806b8d5990 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND *75365 394678 13853 32767 7 0x10 syz-executor 75365 224338 13853 32767 3 0x4000090 fsleep syz-executor 75365 192327 13853 32767 2 0x4000010 syz-executor 75365 148466 13853 32767 3 0x4000090 fsleep syz-executor 20015 65505 12059 32767 2 0x10 syz-executor 20015 396983 12059 32767 3 0x4000090 sbwait syz-executor 32809 301902 43556 32767 3 0x90 nanoslp syz-executor 32809 513363 43556 32767 3 0x4000090 kqsel syz-executor 32809 792 43556 32767 3 0x4000090 fsleep syz-executor 40710 157734 8429 0 3 0x82 sbwait sshd-session 67648 132030 30586 32767 3 0x90 nanoslp syz-executor 67648 168841 30586 32767 3 0x4000090 msgwait syz-executor 67648 272810 30586 32767 3 0x4000090 fsleep syz-executor 75561 255522 2921 32767 3 0x90 nanoslp syz-executor 75561 71640 2921 32767 3 0x4000090 kqsel syz-executor 75561 66960 2921 32767 3 0x4000090 fsleep syz-executor 24236 516685 0 0 3 0x14200 bored sosplice 60979 388179 89111 32767 2 0x10 syz-executor 2921 114220 4142 32767 3 0x90 nanoslp syz-executor 43556 112769 8029 32767 3 0x90 nanoslp syz-executor 12059 57133 74378 32767 3 0x90 nanoslp syz-executor 62161 219852 50599 32767 3 0x90 nanoslp syz-executor 56216 326075 28742 32767 7 0x10 syz-executor 13853 2056 27833 32767 3 0x90 nanoslp syz-executor 30586 231697 72203 32767 3 0x90 nanoslp syz-executor 4142 115921 72463 0 3 0x82 wait syz-executor 89111 524117 72463 0 3 0x82 wait syz-executor 50599 80822 72463 0 3 0x82 wait syz-executor 74378 10217 72463 0 3 0x82 wait syz-executor 8029 114185 72463 0 3 0x82 wait syz-executor 28742 18787 72463 0 3 0x82 wait syz-executor 27833 379591 72463 0 3 0x82 wait syz-executor 72203 114931 72463 0 3 0x82 wait syz-executor 72463 319025 46610 0 3 0x82 kqread syz-executor 46610 267671 47922 0 3 0x10008a sigsusp ksh 47922 348143 56280 0 3 0x98 kqread sshd-session 56280 203893 8429 0 3 0x92 kqread sshd-session 47507 276694 1 0 3 0x100083 ttyin getty 8429 423083 1 0 3 0x88 kqread sshd 82487 208889 36411 73 3 0x1100090 kqread syslogd 36411 12282 1 0 3 0x100082 sbwait syslogd 63163 84340 1 0 3 0x100080 kqread resolvd 8660 183231 94870 77 3 0x100092 kqread dhcpleased 65870 307585 94870 77 3 0x100092 kqread dhcpleased 94870 258807 1 0 3 0x80 kqread dhcpleased 35288 479518 0 0 3 0x14200 bored smr 15373 203331 0 0 3 0x14200 pgzero zerothread 67687 95799 0 0 3 0x14200 aiodoned aiodoned 91138 288134 0 0 3 0x14200 syncer update 51141 117621 0 0 3 0x14200 cleaner cleaner 93407 150468 0 0 3 0x14200 reaper reaper 83741 347807 0 0 3 0x14200 pgdaemon pagedaemon 79635 253841 0 0 3 0x14200 bored viomb 48928 247334 0 0 3 0x40014200 acpi0 acpi0 40565 336707 0 0 3 0x40014200 idle1 85468 117353 0 0 3 0x14200 bored softnet3 85930 66078 0 0 3 0x14200 bored softnet2 67896 324676 0 0 3 0x14200 bored softnet1 83188 225454 0 0 3 0x14200 bored softnet0 62420 79866 0 0 3 0x14200 bored systqmp 35640 36489 0 0 3 0x14200 bored systq 39404 438050 0 0 3 0x14200 tmoslp softclockmp 86681 172129 0 0 3 0x40014200 tmoslp softclock 24515 284867 0 0 3 0x40014200 idle0 1 388778 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 (0xffffffff839b0600) #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+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #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:192 #8 usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 #9 recall_trap+0x8 Process 75365 (syz-executor) thread 0xffff80003c46e7e0 (394678) exclusive rwlock uobjlk r = 0 (0xfffffd805f8494e8) #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+0x377 sys/kern/kern_rwlock.c:310 #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:192 #8 usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 #9 recall_trap+0x8 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff839b0600) #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+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #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:192 #8 usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 #9 recall_trap+0x8 Process 75365 (syz-executor) thread 0xffff80003c46f740 (192327) exclusive rrwlock inode r = 0 (0xfffffd80685b37a0) #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+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #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:742 #7 Xsyscall+0x128 Process 56216 (syz-executor) thread 0xffff80002a296f78 (326075) exclusive rrwlock inode r = 0 (0xfffffd80685b3680) #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+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #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:1232 #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:3109 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d2991f0) #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+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #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:3094 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10191 10955K 10967K 166960K 11269 0 pcb 17 12K 12K 166960K 17 0 rtable 251 7K 7K 166960K 368 0 pf 31 16K 16K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 1 1K 9K 166960K 6 0 counters 68 36K 36K 166960K 68 0 ioctlops 0 0K 2K 166960K 34 0 iov 0 0K 16K 166960K 7 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1334 84K 84K 166960K 1426 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 76 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 24 89K 121K 166960K 297 0 sigio 0 0K 0K 166960K 3 0 proc 58 79K 139K 166960K 494 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 1 0K 0K 166960K 32 0 in_multi 99 7K 7K 166960K 106 0 ether_multi 1 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 365 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 271 185K 190K 166960K 4279 0 UVM aobj 15 3K 3K 166960K 15 0 pinsyscall 47 94K 108K 166960K 1309 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 5 0 NDP 11 0K 2K 166960K 27 0 temp 39 8679K 8743K 166960K 6057 0 kqueue 14 22K 28K 166960K 54 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 44 0 41 1 0 1 1 0 8 0 rtentry 176 118 0 1 6 0 6 6 0 8 0 unpcb 144 358 0 332 6 0 6 6 0 8 5 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpcb 736 56 0 48 1 0 1 1 0 8 0 arp 128 18 0 0 1 0 1 1 0 8 0 inpcb 328 206 0 192 3 0 3 3 0 8 1 nd6 144 31 0 0 2 0 2 2 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 492 0 0 31 0 31 31 0 8 0 art_table 32 493 0 0 4 0 4 4 0 8 0 art_node 16 117 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semapl 112 74 0 64 1 0 1 1 0 8 0 shmpl 112 12 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1859 0 349 95 0 95 95 0 8 0 ffsino 288 1859 0 349 109 0 109 109 0 8 0 nchpl 144 2347 0 672 63 0 63 63 0 8 0 uvmvnodes 80 1940 0 0 40 0 40 40 0 8 0 vnodes 216 1940 0 0 108 0 108 108 0 8 0 namei 1024 7374 0 7373 2 0 2 2 0 8 1 percpumem 16 49 0 0 1 0 1 1 0 8 0 kstatmem 264 24 0 0 2 0 2 2 0 8 0 scxspl 216 7591 0 7591 9 1 8 8 1 8 8 plimitpl 152 125 0 101 2 0 2 2 0 8 1 sigapl 424 573 0 517 7 0 7 7 0 8 0 knotepl 120 362 0 0 11 0 11 11 0 8 0 kqueuepl 224 65 0 53 1 0 1 1 0 8 0 pipepl 336 128 0 101 4 0 4 4 0 8 1 fdescpl 520 554 0 517 3 0 3 3 0 8 0 filepl 160 2810 0 2578 19 1 18 19 0 8 8 lockfpl 104 44 0 40 1 0 1 1 0 8 0 lockfspl 48 21 0 17 1 0 1 1 0 8 0 sessionpl 144 23 0 6 1 0 1 1 0 8 0 pgrppl 48 36 0 11 1 0 1 1 0 8 0 ucredpl 104 468 0 449 1 0 1 1 0 8 0 zombiepl 144 518 0 517 1 0 1 1 0 8 0 processpl 1240 573 0 517 5 0 5 5 0 8 0 procpl 656 848 0 782 7 0 7 7 0 8 0 sosppl 168 2 0 2 1 0 1 1 0 8 1 sockpl 728 614 0 571 16 5 11 16 0 8 6 mcl64k 65536 3 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 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 123 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 33 0 0 5 0 5 5 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 271 0 0 17 0 17 17 0 8 0 bufpl 280 2517 0 116 172 0 172 172 0 8 0 anonpl 32 5281 0 0 43 0 43 43 0 246 0 amapchunkpl 152 13346 0 12731 42 0 42 42 0 158 15 amappl16 200 1966 0 1940 5 2 3 5 0 8 0 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 113 0 102 1 0 1 1 0 8 0 amappl13 176 10 0 10 1 1 0 1 0 8 0 amappl12 168 1153 0 1115 2 0 2 2 0 8 0 amappl11 160 48 0 38 1 0 1 1 0 8 0 amappl10 152 16 0 16 1 1 0 1 0 8 0 amappl9 144 242 0 242 1 1 0 1 0 8 0 amappl8 136 24 0 21 1 0 1 1 0 8 0 amappl7 128 122 0 111 1 0 1 1 0 8 0 amappl6 120 172 0 167 1 0 1 1 0 8 0 amappl5 112 120 0 113 1 0 1 1 0 8 0 amappl4 104 316 0 300 1 0 1 1 0 8 0 amappl3 96 2237 0 2109 4 0 4 4 0 8 0 amappl2 88 608 0 547 2 0 2 2 0 8 0 amappl1 80 8770 0 8118 14 0 14 14 0 8 0 amappl 88 3622 0 3423 6 0 6 6 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 0 1 0 1 1 0 8 0 uaddrrnd 24 554 0 517 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 554 0 517 1 0 1 1 0 8 0 vmmpekpl 168 6187 0 6157 2 0 2 2 0 8 0 vmmpepl 168 41413 0 39202 102 0 102 102 0 357 0 vmsppl 480 553 0 517 7 1 6 6 0 8 0 rwobjpl 72 15753 0 12846 54 0 54 54 0 8 0 pdppl 4096 1116 0 1034 108 22 86 96 0 8 4 pvpl 32 13284 0 0 110 2 108 108 0 265 0 pmappl 256 553 0 517 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 403 0 25 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff838aaff0) 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(ffffffff839b4650) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839b4650) at __mp_lock+0x192 sys/kern/kern_lock.c:165 softintr_dispatch(0) at softintr_dispatch+0x12a sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff839b4650) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839b4650) at __mp_lock+0x19e sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff839b4650,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2da sys/kern/kern_synch.c:366 biowait(fffffd806efac8d0) at biowait+0xc1 sys/kern/vfs_bio.c:1242 bwrite(fffffd806efac8d0) at bwrite+0x2e5 sys/kern/vfs_bio.c:754 ffs_update(fffffd80685b35e0,1) at ffs_update+0x34f sys/ufs/ffs/ffs_inode.c:111 ufs_mkdir(ffff800032bdea90) at ufs_mkdir+0x55a sys/ufs/ufs/ufs_vnops.c:1160 end trace frame: 0xffff800032bdeb00, count: 0 ddb{0}> trace x86_ipi_db(ffffffff838aaff0) 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(ffffffff839b4650) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839b4650) at __mp_lock+0x192 sys/kern/kern_lock.c:165 softintr_dispatch(0) at softintr_dispatch+0x12a sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff839b4650) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839b4650) at __mp_lock+0x19e sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff839b4650,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2da sys/kern/kern_synch.c:366 biowait(fffffd806efac8d0) at biowait+0xc1 sys/kern/vfs_bio.c:1242 bwrite(fffffd806efac8d0) at bwrite+0x2e5 sys/kern/vfs_bio.c:754 ffs_update(fffffd80685b35e0,1) at ffs_update+0x34f sys/ufs/ffs/ffs_inode.c:111 ufs_mkdir(ffff800032bdea90) at ufs_mkdir+0x55a sys/ufs/ufs/ufs_vnops.c:1160 VOP_MKDIR(fffffd806d3311e0,ffff800032bdebf0,ffff800032bdec20,ffff800032bdeb20) at VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 domkdirat(ffff80002a296f78,ffffff9c,789a61ab7cb0,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3109 syscall(ffff800032bdeda0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800032bdeda0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:742 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x789a61ab7d50, count: -18 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(ffffffff833f2b85) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839b05f0) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff839b05f0) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd80083d9640) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80083d9640) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80083d9640) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd80651cc018,0,ffff800039019768,ffff80003901974c,0,2,dd08e7effc21180b,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800039019980,ffff8000390199b8,ffff800039019800,ffff8000390197e8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800039019980,ffff8000390199b8,ffff800039019900) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806b8d5990,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800039019b10,2000000000c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800039019b10) at usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x733f0db15b60, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833f2b85) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839b05f0) at mtx_enter_try+0x1da sys/kern/kern_lock.c:300 mtx_enter(ffffffff839b05f0) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd80083d9640) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80083d9640) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80083d9640) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd80651cc018,0,ffff800039019768,ffff80003901974c,0,2,dd08e7effc21180b,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800039019980,ffff8000390199b8,ffff800039019800,ffff8000390197e8) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800039019980,ffff8000390199b8,ffff800039019900) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806b8d5990,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800039019b10,2000000000c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800039019b10) at usertrap+0x3e3 sys/arch/amd64/amd64/trap.c:599 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x733f0db15b60, count: -13