panic: mtx 0xffffffff839b8d80: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *277154 1337 32767 0x10 0 1 syz-executor 444443 10650 32767 0x10 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833315e1) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839b8d80) at mtx_enter_try+0x1da mtx_enter(ffffffff839b8d80) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd80087b4008) at uvm_pageclean+0x28e uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80087b4008) at uvm_pageclean+0x28e sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80087b4008) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806443a628,1000,ffff80003c457418,ffff80003c4573fc,0,2,e133110dc7b87654,2) at uvn_get+0x686 sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c457630,ffff80003c457668,ffff80003c4574b0,ffff80003c457498) at uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c457630,ffff80003c457668,ffff80003c4575b0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd8069e57218,200000001000,0,2) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c4577c0,200000001000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c4577c0) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7eb781b1e870, 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 0xffffffff839b8d80: locking against myself ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833315e1) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839b8d80) at mtx_enter_try+0x1da mtx_enter(ffffffff839b8d80) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd80087b4008) at uvm_pageclean+0x28e uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80087b4008) at uvm_pageclean+0x28e sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80087b4008) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806443a628,1000,ffff80003c457418,ffff80003c4573fc,0,2,e133110dc7b87654,2) at uvn_get+0x686 sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c457630,ffff80003c457668,ffff80003c4574b0,ffff80003c457498) at uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c457630,ffff80003c457668,ffff80003c4575b0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd8069e57218,200000001000,0,2) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c4577c0,200000001000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c4577c0) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7eb781b1e870, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c457150 rbx 0xffff8000299eeddf rdx 0 rcx 0xffff8000ffff2a70 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x74f4d6b8af2b7615 r11 0xcf8942845a5d38a4 r12 0xffff8000299eebe0 r13 0 r14 0 r15 0x1 rip 0xffffffff810aca85 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c457140 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=277154 pid=1337 tcnt=4 stat=onproc flags process=10 proc=0 runpri=50, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c459a18,0xffff80002a2e5cb8 process=0xffff80003c47a730 user=0xffff80003c452000, vmspace=0xfffffd8069e57218 estcpu=32, cpticks=1, pctcpu=0.0, user=1, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 22177 452430 0 0 3 0x14200 bored sosplice * 1337 277154 39799 32767 7 0x10 syz-executor 1337 195107 39799 32767 2 0x4000010 syz-executor 1337 113472 39799 32767 3 0x4000090 fsleep syz-executor 1337 311057 39799 32767 3 0x4000010 uobjlk syz-executor 30128 416792 38548 32767 2 0x10 syz-executor 30128 348730 38548 32767 2 0x4000010 syz-executor 68436 406149 40066 32767 2 0x10 syz-executor 68436 470406 40066 32767 3 0x4000090 kqsel syz-executor 68436 340801 40066 32767 3 0x4000090 kqsel syz-executor 44607 343237 21461 32767 2 0x10 syz-executor 44607 434074 21461 32767 3 0x4000090 sbwait syz-executor 44607 440825 21461 32767 2 0x4000010 syz-executor 34808 76121 69642 32767 2 0x10 syz-executor 34808 39852 69642 32767 3 0x4000090 msgwait syz-executor 34808 385709 69642 32767 3 0x4000090 msgwait syz-executor 15185 353903 67459 32767 3 0x90 nanoslp syz-executor 15185 454742 67459 32767 3 0x4000090 ttyin syz-executor 15185 58344 67459 32767 3 0x4000090 fsleep syz-executor 17225 296330 37461 32767 3 0x90 nanoslp syz-executor 17225 426581 37461 32767 3 0x4000090 kqsel syz-executor 17225 491202 37461 32767 3 0x4000090 kqread syz-executor 17225 274635 37461 32767 3 0x4000090 fsleep syz-executor 67459 26470 42887 32767 3 0x90 nanoslp syz-executor 37461 241834 42820 32767 3 0x90 nanoslp syz-executor 38548 503489 61988 32767 3 0x90 nanoslp syz-executor 39799 260939 38708 32767 3 0x90 nanoslp syz-executor 21461 75650 12052 32767 3 0x90 nanoslp syz-executor 10650 444443 34825 32767 7 0x10 syz-executor 69642 132449 3424 32767 3 0x90 nanoslp syz-executor 40066 196005 14095 32767 3 0x90 nanoslp syz-executor 42887 177429 49571 0 3 0x82 wait syz-executor 61988 124791 49571 0 3 0x82 wait syz-executor 38708 193769 49571 0 3 0x82 wait syz-executor 42820 54340 49571 0 3 0x82 wait syz-executor 14095 311911 49571 0 3 0x82 wait syz-executor 12052 213474 49571 0 3 0x82 wait syz-executor 34825 239237 49571 0 3 0x82 wait syz-executor 3424 362884 49571 0 3 0x82 wait syz-executor 49571 18550 8579 0 3 0x82 kqread syz-executor 8579 455312 29864 0 3 0x10008a sigsusp ksh 29864 424418 51773 0 3 0x98 kqread sshd-session 51773 363041 8654 0 3 0x92 kqread sshd-session 4893 310292 1 0 3 0x100083 ttyin getty 8654 463775 1 0 3 0x88 kqread sshd 74616 464233 3756 73 3 0x1100090 kqread syslogd 3756 421307 1 0 3 0x100082 sbwait syslogd 92938 413493 1 0 3 0x100080 kqread resolvd 15035 297323 91912 77 3 0x100092 kqread dhcpleased 62903 382386 91912 77 3 0x100092 kqread dhcpleased 91912 124999 1 0 3 0x80 kqread dhcpleased 3123 279939 0 0 3 0x14200 bored smr 79034 353495 0 0 2 0x14200 zerothread 81058 344920 0 0 3 0x14200 aiodoned aiodoned 10826 24866 0 0 3 0x14200 syncer update 35725 370794 0 0 3 0x14200 cleaner cleaner 50991 415937 0 0 3 0x14200 reaper reaper 53641 229536 0 0 3 0x14200 pgdaemon pagedaemon 99312 243465 0 0 3 0x14200 bored viomb 9345 117804 0 0 3 0x40014200 acpi0 acpi0 99725 401460 0 0 3 0x40014200 idle1 45718 312291 0 0 3 0x14200 bored softnet7 49218 386648 0 0 3 0x14200 bored softnet6 6260 232581 0 0 3 0x14200 bored softnet5 62187 58491 0 0 3 0x14200 bored softnet4 93586 115080 0 0 3 0x14200 bored softnet3 10117 373139 0 0 3 0x14200 bored softnet2 4770 399003 0 0 3 0x14200 bored softnet1 68649 421022 0 0 3 0x14200 bored softnet0 6980 404003 0 0 3 0x14200 bored systqmp 43255 324423 0 0 3 0x14200 bored systq 17333 23955 0 0 3 0x14200 tmoslp softclockmp 84700 75745 0 0 3 0x40014200 tmoslp softclock 63233 329655 0 0 3 0x40014200 idle0 1 369782 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 (0xffffffff839b8d90) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 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+0x674 sys/uvm/uvm_vnode.c:1117 #4 uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 #6 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #8 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 #9 recall_trap+0x8 Process 1337 (syz-executor) thread 0xffff8000ffff2a70 (277154) exclusive rwlock uobjlk r = 0 (0xfffffd806bb7cd68) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 uvn_io+0x667 sys/uvm/uvm_vnode.c:1298 #3 uvn_get+0x31d sys/uvm/uvm_vnode.c:1102 #4 uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 #6 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #8 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 #9 recall_trap+0x8 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff839b8d90) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 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+0x674 sys/uvm/uvm_vnode.c:1117 #4 uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 #6 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #8 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 #9 recall_trap+0x8 Process 1337 (syz-executor) thread 0xffff80002a2e5ca8 (195107) exclusive rrwlock inode r = 0 (0xfffffd806b8c1330) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 sys_ftruncate+0x1c1 sys/kern/vfs_syscalls.c:2916 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #7 Xsyscall+0x128 Process 1337 (syz-executor) thread 0xffff80003c459cb0 (311057) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8387b6d0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] #1 syscall+0xaf4 sys/arch/amd64/amd64/trap.c:748 #2 Xsyscall+0x128 Process 10650 (syz-executor) thread 0xffff8000ffff3238 (444443) exclusive rrwlock inode r = 0 (0xfffffd806b8c1458) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 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+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80721ab318) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10193 10956K 10968K 166960K 11271 0 pcb 17 12K 12K 166960K 17 0 rtable 207 5K 6K 166960K 256 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 30 0 iov 1 4K 5K 166960K 3 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1335 84K 84K 166960K 1354 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 25 93K 125K 166960K 179 0 proc 58 99K 163K 166960K 474 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 6 0 in_multi 99 7K 7K 166960K 107 0 ether_multi 1 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 336 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 257 160K 176K 166960K 3122 0 UVM aobj 5 2K 2K 166960K 5 0 pinsyscall 46 92K 110K 166960K 1171 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 2 0 NDP 15 0K 2K 166960K 27 0 temp 40 8639K 8703K 166960K 3819 0 kqueue 14 22K 26K 166960K 27 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 39 0 36 1 0 1 1 0 8 0 rtentry 176 96 0 1 5 0 5 5 0 8 0 unpcb 144 95 0 76 1 0 1 1 0 8 0 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 736 22 0 14 1 0 1 1 0 8 0 arp 128 10 0 0 1 0 1 1 0 8 0 inpcb 328 129 0 115 2 0 2 2 0 8 0 nd6 144 17 0 0 1 0 1 1 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 256 438 0 0 28 0 28 28 0 8 0 art_table 40 439 0 0 5 0 5 5 0 8 0 art_node 32 96 0 11 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 1 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1597 0 91 95 0 95 95 0 8 0 ffsino 296 1597 0 91 117 0 117 117 0 8 0 nchpl 144 1830 0 155 63 0 63 63 0 8 0 uvmvnodes 80 1678 0 0 35 0 35 35 0 8 0 vnodes 216 1678 0 0 94 0 94 94 0 8 0 namei 1024 5322 0 5321 1 0 1 1 0 8 0 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 6560 0 6560 3 1 2 2 1 8 2 plimitpl 152 44 0 19 2 0 2 2 0 8 0 sigapl 424 454 0 394 8 0 8 8 0 8 0 knotepl 120 58 0 0 2 0 2 2 0 8 0 kqueuepl 224 30 0 17 1 0 1 1 0 8 0 pipepl 344 101 0 73 3 0 3 3 0 8 0 fdescpl 528 431 0 394 4 0 4 4 0 8 0 filepl 160 1499 0 1243 11 0 11 11 0 8 0 lockfpl 104 15 0 11 1 0 1 1 0 8 0 lockfspl 48 9 0 5 1 0 1 1 0 8 0 sessionpl 144 21 0 5 1 0 1 1 0 8 0 pgrppl 48 30 0 6 1 0 1 1 0 8 0 ucredpl 104 139 0 120 1 0 1 1 0 8 0 zombiepl 144 394 0 394 1 0 1 1 0 8 1 processpl 1248 454 0 394 7 1 6 6 0 8 0 procpl 664 523 0 448 7 0 7 7 0 8 0 sockpl 752 263 0 227 5 0 5 5 0 8 1 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 116 0 0 15 0 15 15 0 8 0 mcl2k 2048 31 0 0 4 0 4 4 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 231 0 0 15 0 15 15 0 8 0 bufpl 280 2923 0 116 201 0 201 201 0 8 0 anonpl 32 5306 0 0 43 0 43 43 0 246 0 amapchunkpl 152 10279 0 9703 42 3 39 39 0 158 11 amappl16 200 2030 0 2008 5 0 5 5 0 8 2 amappl15 192 4 0 4 1 0 1 1 0 8 1 amappl14 184 101 0 91 1 0 1 1 0 8 0 amappl13 176 9 0 7 1 0 1 1 0 8 0 amappl12 168 1030 0 993 2 0 2 2 0 8 0 amappl11 160 45 0 35 1 0 1 1 0 8 0 amappl10 152 4 0 4 1 0 1 1 0 8 1 amappl9 144 266 0 266 1 0 1 1 0 8 1 amappl8 136 20 0 19 1 0 1 1 0 8 0 amappl7 128 90 0 80 1 0 1 1 0 8 0 amappl6 120 180 0 176 1 0 1 1 0 8 0 amappl5 112 115 0 109 1 0 1 1 0 8 0 amappl4 104 262 0 248 1 0 1 1 0 8 0 amappl3 96 1410 0 1275 4 0 4 4 0 8 0 amappl2 88 598 0 544 2 0 2 2 0 8 0 amappl1 80 7877 0 7301 13 0 13 13 0 8 0 amappl 88 2511 0 2319 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 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 431 0 394 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 431 0 394 1 0 1 1 0 8 0 vmmpekpl 168 4906 0 4869 2 0 2 2 0 8 0 vmmpepl 168 33886 0 31763 97 0 97 97 0 357 1 vmsppl 488 430 0 394 7 1 6 6 0 8 0 rwobjpl 80 13925 0 11393 54 1 53 53 0 8 0 pdppl 4096 870 0 788 108 18 90 98 0 8 8 pvpl 32 13257 0 0 107 0 107 107 0 265 0 pmappl 256 430 0 394 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 282 0 21 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83850ff0) 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(ffffffff8387b4c8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8387b4c8) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff8387b4c8,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:367 biowait(fffffd8065616588) at biowait+0xc6 sys/kern/vfs_bio.c:1242 bwrite(fffffd8065616588) at bwrite+0x2e7 sys/kern/vfs_bio.c:754 VOP_BWRITE(fffffd8065616588) at VOP_BWRITE+0x60 sys/kern/vfs_vops.c:651 ufs_mkdir(ffff8000333fd200) at ufs_mkdir+0x547 sys/ufs/ufs/ufs_vnops.c:1160 VOP_MKDIR(fffffd806cb6e390,ffff8000333fd360,ffff8000333fd390,ffff8000333fd290) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 domkdirat(ffff8000ffff3238,ffffff9c,70a795705960,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 syscall(ffff8000333fd510) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000333fd510) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70a795705a00, count: 1 ddb{0}> trace x86_ipi_db(ffffffff83850ff0) 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(ffffffff8387b4c8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8387b4c8) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff8387b4c8,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:367 biowait(fffffd8065616588) at biowait+0xc6 sys/kern/vfs_bio.c:1242 bwrite(fffffd8065616588) at bwrite+0x2e7 sys/kern/vfs_bio.c:754 VOP_BWRITE(fffffd8065616588) at VOP_BWRITE+0x60 sys/kern/vfs_vops.c:651 ufs_mkdir(ffff8000333fd200) at ufs_mkdir+0x547 sys/ufs/ufs/ufs_vnops.c:1160 VOP_MKDIR(fffffd806cb6e390,ffff8000333fd360,ffff8000333fd390,ffff8000333fd290) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 domkdirat(ffff8000ffff3238,ffffff9c,70a795705960,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 syscall(ffff8000333fd510) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000333fd510) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70a795705a00, count: -14 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(ffffffff833315e1) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839b8d80) at mtx_enter_try+0x1da mtx_enter(ffffffff839b8d80) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd80087b4008) at uvm_pageclean+0x28e uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80087b4008) at uvm_pageclean+0x28e sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80087b4008) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806443a628,1000,ffff80003c457418,ffff80003c4573fc,0,2,e133110dc7b87654,2) at uvn_get+0x686 sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c457630,ffff80003c457668,ffff80003c4574b0,ffff80003c457498) at uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c457630,ffff80003c457668,ffff80003c4575b0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd8069e57218,200000001000,0,2) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c4577c0,200000001000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c4577c0) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7eb781b1e870, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833315e1) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839b8d80) at mtx_enter_try+0x1da mtx_enter(ffffffff839b8d80) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd80087b4008) at uvm_pageclean+0x28e uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80087b4008) at uvm_pageclean+0x28e sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80087b4008) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806443a628,1000,ffff80003c457418,ffff80003c4573fc,0,2,e133110dc7b87654,2) at uvn_get+0x686 sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c457630,ffff80003c457668,ffff80003c4574b0,ffff80003c457498) at uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c457630,ffff80003c457668,ffff80003c4575b0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd8069e57218,200000001000,0,2) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c4577c0,200000001000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c4577c0) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7eb781b1e870, count: -13