panic: mtx 0xffffffff838c2b90: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *215836 56573 32767 0x10 0 1 syz-executor 362710 56573 32767 0x10 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e0740) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838c2b90) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff838c2b90) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008826380) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008826380) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008826380) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8069844590,0,ffff80003c43d9e8,ffff80003c43d9c4,0,2,25a413a4442b008a,ffff80003c43dc40) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c43dc08,ffff80003c43dc40,ffff80003c43da70,ffff80003c43da78) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80003c43dc08,ffff80003c43dc40,ffff80003c43db80) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806be29990,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c43dd90,200000000080) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c43dd90) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7587b63b06e0, 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 0xffffffff838c2b90: locking against myself ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e0740) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838c2b90) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff838c2b90) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008826380) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008826380) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008826380) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8069844590,0,ffff80003c43d9e8,ffff80003c43d9c4,0,2,25a413a4442b008a,ffff80003c43dc40) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c43dc08,ffff80003c43dc40,ffff80003c43da70,ffff80003c43da78) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80003c43dc08,ffff80003c43dc40,ffff80003c43db80) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806be29990,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c43dd90,200000000080) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c43dd90) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7587b63b06e0, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c43d730 rbx 0xffff8000299eedcf rdx 0 rcx 0xffff80003c444028 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xcc27223de7f23a28 r11 0x46edad85cfab0d18 r12 0xffff8000299eebd0 r13 0 r14 0 r15 0x1 rip 0xffffffff831ecae5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c43d720 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=215836 pid=56573 tcnt=3 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=0xffff80002a2c4020,0xffff80003c444d08 process=0xffff80003bc2aa08 user=0xffff80003c438000, vmspace=0xfffffd806be29990 estcpu=36, cpticks=2, pctcpu=0.0, user=1, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 36218 230735 42081 32767 2 0x10 syz-executor 57584 404971 82191 32767 2 0x10 syz-executor 57584 407556 82191 32767 3 0x4000090 fsleep syz-executor 88005 513907 22088 32767 2 0x10 syz-executor 88005 436843 22088 32767 3 0x4000090 fsleep syz-executor *56573 215836 24914 32767 7 0x10 syz-executor 56573 470067 24914 32767 3 0x4000090 fsleep syz-executor 56573 362710 24914 32767 7 0x4000010 syz-executor 53942 34558 22714 32767 4 0x82010 syz-executor 53942 419187 22714 32767 3 0x4002010 suspend syz-executor 53942 217359 22714 32767 2 0x4082010 syz-executor 53942 415897 22714 32767 4 0x4082010 syz-executor 71209 316041 67206 32767 3 0x90 nanoslp syz-executor 71209 186119 67206 32767 3 0x4000090 piperd syz-executor 536 75330 96625 32767 2 0x10 syz-executor 536 454662 96625 32767 3 0x4000090 fsleep syz-executor 536 335313 96625 32767 3 0x4000090 sbwait syz-executor 77651 232442 0 0 3 0x14200 bored sosplice 42081 86072 42592 32767 3 0x90 nanoslp syz-executor 49723 296047 68801 32767 3 0x10 biowait syz-executor 67206 33052 69076 32767 3 0x90 nanoslp syz-executor 22714 53518 60646 32767 3 0x90 nanoslp syz-executor 96625 405780 28698 32767 2 0x10 syz-executor 22088 70492 20302 32767 3 0x90 nanoslp syz-executor 24914 12918 46845 32767 3 0x90 nanoslp syz-executor 82191 375373 45405 32767 3 0x90 nanoslp syz-executor 69076 443649 96690 0 3 0x82 wait syz-executor 20302 90257 96690 0 3 0x82 wait syz-executor 42592 515787 96690 0 3 0x82 wait syz-executor 68801 189320 96690 0 3 0x82 wait syz-executor 46845 180515 96690 0 3 0x82 wait syz-executor 45405 292235 96690 0 3 0x82 wait syz-executor 60646 382449 96690 0 3 0x82 wait syz-executor 28698 362231 96690 0 3 0x82 wait syz-executor 96690 21097 92142 0 3 0x82 kqread syz-executor 92142 99634 6399 0 3 0x10008a sigsusp ksh 6399 499508 58833 0 3 0x98 kqread sshd-session 58833 461626 87163 0 3 0x92 kqread sshd-session 35502 456788 1 0 3 0x100083 ttyin getty 87163 99831 1 0 3 0x88 kqread sshd 1885 71896 2065 73 3 0x1100090 kqread syslogd 2065 369995 1 0 3 0x100082 sbwait syslogd 90890 427465 1 0 3 0x100080 kqread resolvd 21020 389212 95581 77 3 0x100092 kqread dhcpleased 46724 462178 95581 77 3 0x100092 kqread dhcpleased 95581 330268 1 0 3 0x80 kqread dhcpleased 58060 520260 0 0 3 0x14200 bored smr 86235 297044 0 0 2 0x14200 zerothread 44833 4845 0 0 3 0x14200 aiodoned aiodoned 18916 316720 0 0 3 0x14200 syncer update 35520 250637 0 0 3 0x14200 cleaner cleaner 85514 497642 0 0 3 0x14200 reaper reaper 91120 340621 0 0 3 0x14200 pgdaemon pagedaemon 80033 1821 0 0 3 0x14200 bored viomb 20623 188866 0 0 3 0x40014200 acpi0 acpi0 916 315141 0 0 3 0x40014200 idle1 4759 165118 0 0 3 0x14200 bored softnet3 62109 37493 0 0 3 0x14200 bored softnet2 78869 126589 0 0 3 0x14200 bored softnet1 2372 280112 0 0 3 0x14200 bored softnet0 4088 29728 0 0 3 0x14200 bored systqmp 50411 252610 0 0 3 0x14200 bored systq 31123 208909 0 0 3 0x14200 tmoslp softclockmp 56149 304983 0 0 3 0x40014200 tmoslp softclock 55235 480037 0 0 3 0x40014200 idle0 1 374900 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 (0xffffffff838c2ba0) #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 56573 (syz-executor) thread 0xffff80003c444028 (215836) exclusive rwlock uobjlk r = 0 (0xfffffd8069088498) #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 (0xffffffff838c2ba0) #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 56573 (syz-executor) thread 0xffff80003c445218 (362710) exclusive rrwlock inode r = 0 (0xfffffd806bc93f80) #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 49723 (syz-executor) thread 0xffff80002a2c59c0 (296047) exclusive rrwlock inode r = 0 (0xfffffd806bc937a0) #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 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:1230 #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:3117 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807ba97670) #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3102 #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 10184 10954K 10965K 166960K 11261 0 pcb 17 14K 16K 166960K 19 0 rtable 236 6K 6K 166960K 347 0 pf 31 16K 16K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 3 1K 1K 166960K 3 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 31 0 iov 0 0K 4K 166960K 38 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 4 0 VM map 2 1K 1K 166960K 2 0 sem 4 0K 0K 166960K 5 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 25 93K 121K 166960K 228 0 sigio 0 0K 0K 166960K 4 0 proc 59 91K 103K 166960K 486 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 19 0 in_multi 99 7K 7K 166960K 104 0 ether_multi 1 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 379 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 239 159K 169K 166960K 3538 0 UVM aobj 8 3K 3K 166960K 8 0 pinsyscall 46 92K 110K 166960K 1228 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 14 0 NDP 11 0K 2K 166960K 27 0 temp 35 8674K 8738K 166960K 4043 0 kqueue 16 24K 28K 166960K 30 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 37 0 34 1 0 1 1 0 8 0 rtentry 176 112 0 1 6 0 6 6 0 8 0 unpcb 144 92 0 75 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 808 62 0 56 3 0 3 3 0 8 2 arp 128 19 0 0 1 0 1 1 0 8 0 inpcb 384 390 0 379 14 2 12 14 0 8 10 nd6 144 24 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 256 453 0 0 29 0 29 29 0 8 0 art_table 32 454 0 0 4 0 4 4 0 8 0 art_node 16 111 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 0 1 1 0 8 1 semapl 112 2 0 0 1 0 1 1 0 8 0 shmpl 112 5 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1666 0 160 95 0 95 95 0 8 0 ffsino 288 1666 0 160 108 0 108 108 0 8 0 nchpl 144 1962 0 287 63 0 63 63 0 8 0 uvmvnodes 80 1747 0 0 36 0 36 36 0 8 0 vnodes 216 1747 0 0 98 0 98 98 0 8 0 namei 1024 5889 0 5888 1 0 1 1 0 8 0 percpumem 16 47 0 0 1 0 1 1 0 8 0 kstatmem 264 22 0 0 2 0 2 2 0 8 0 scxspl 216 6418 0 6417 3 1 2 2 1 8 1 plimitpl 152 41 0 17 2 0 2 2 0 8 1 sigapl 424 501 0 445 7 0 7 7 0 8 0 futexpl 64 1253 0 1249 1 0 1 1 0 8 0 knotepl 120 314 0 0 10 0 10 10 0 8 0 kqueuepl 224 34 0 22 1 0 1 1 0 8 0 pipepl 336 107 0 78 3 0 3 3 0 8 0 fdescpl 520 482 0 445 3 0 3 3 0 8 0 filepl 160 2194 0 1975 15 0 15 15 0 8 5 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 22 0 6 1 0 1 1 0 8 0 pgrppl 48 30 0 6 1 0 1 1 0 8 0 ucredpl 104 180 0 161 1 0 1 1 0 8 0 zombiepl 144 445 0 445 1 0 1 1 0 8 1 processpl 1192 501 0 445 5 0 5 5 0 8 0 procpl 656 650 0 584 7 0 7 7 0 8 1 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 728 549 0 518 15 2 13 15 0 8 9 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 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 124 0 0 16 0 16 16 0 8 0 mcl2k 2048 20 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 274 0 0 18 0 18 18 0 8 0 bufpl 280 2405 0 120 164 0 164 164 0 8 0 anonpl 32 5359 0 0 44 0 44 44 0 246 0 amapchunkpl 152 10392 0 9872 28 0 28 28 0 158 5 amappl16 200 1882 0 1862 5 0 5 5 0 8 3 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 104 0 93 1 0 1 1 0 8 0 amappl13 176 19 0 18 1 0 1 1 0 8 0 amappl12 168 1077 0 1041 2 0 2 2 0 8 0 amappl11 160 47 0 37 1 0 1 1 0 8 0 amappl10 152 26 0 26 1 1 0 1 0 8 0 amappl9 144 246 0 246 1 0 1 1 0 8 1 amappl8 136 23 0 22 1 0 1 1 0 8 0 amappl7 128 95 0 85 1 0 1 1 0 8 0 amappl6 120 166 0 163 1 0 1 1 0 8 0 amappl5 112 114 0 108 1 0 1 1 0 8 0 amappl4 104 277 0 262 1 0 1 1 0 8 0 amappl3 96 1730 0 1608 4 0 4 4 0 8 0 amappl2 88 594 0 540 2 0 2 2 0 8 0 amappl1 80 8203 0 7619 14 0 14 14 0 8 0 amappl 88 2910 0 2736 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 7 0 0 1 0 1 1 0 8 0 uaddrrnd 24 482 0 445 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 482 0 445 1 0 1 1 0 8 0 vmmpekpl 168 5462 0 5424 2 0 2 2 0 8 0 vmmpepl 168 36666 0 34578 100 0 100 100 0 357 5 vmsppl 480 481 0 445 7 1 6 6 0 8 0 rwobjpl 72 14361 0 11773 49 0 49 49 0 8 0 pdppl 4096 972 0 890 106 20 86 96 0 8 4 pvpl 32 13214 0 0 107 0 107 107 0 265 0 pmappl 256 481 0 445 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 396 0 23 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837ddff0) 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(ffffffff8395b708) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8395b708) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80003c442760,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff8395b708) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8395b708) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff8395b708) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8395b708) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff8395b708,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x24f sys/kern/kern_synch.c:412 biowait(fffffd806ec8e010) at biowait+0xc1 sys/kern/vfs_bio.c:1246 end trace frame: 0xffff80003c442b50, count: 0 ddb{0}> trace x86_ipi_db(ffffffff837ddff0) 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(ffffffff8395b708) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8395b708) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80003c442760,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff8395b708) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8395b708) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff8395b708) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8395b708) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff8395b708,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x24f sys/kern/kern_synch.c:412 biowait(fffffd806ec8e010) at biowait+0xc1 sys/kern/vfs_bio.c:1246 bwrite(fffffd806ec8e010) at bwrite+0x2e5 sys/kern/vfs_bio.c:758 ffs_update(fffffd806bc93ee0,1) at ffs_update+0x34f sys/ufs/ffs/ffs_inode.c:111 ffs_truncate(fffffd806bc93ee0,79c8,0,fffffd807f7d22d8) at ffs_truncate+0x6c8 sys/ufs/ffs/ffs_inode.c:197 ufs_setattr(ffff80003c442e60) at ufs_setattr+0x912 sys/ufs/ufs/ufs_vnops.c:403 VOP_SETATTR(fffffd8069167e80,ffff80003c442ee8,fffffd807f7d22d8,ffff80003c445218) at VOP_SETATTR+0x11c sys/kern/vfs_vops.c:210 dotruncate(ffff80003c445218,fffffd8069167e80,79c8) at dotruncate+0x1d6 sys/kern/vfs_syscalls.c:2868 sys_ftruncate(ffff80003c445218,ffff80003c443110,ffff80003c443060) at sys_ftruncate+0x1dd sys/kern/vfs_syscalls.c:2920 syscall(ffff80003c443110) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c443110) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfaee8122d80, count: -23 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(ffffffff833e0740) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838c2b90) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff838c2b90) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008826380) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008826380) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008826380) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8069844590,0,ffff80003c43d9e8,ffff80003c43d9c4,0,2,25a413a4442b008a,ffff80003c43dc40) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c43dc08,ffff80003c43dc40,ffff80003c43da70,ffff80003c43da78) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80003c43dc08,ffff80003c43dc40,ffff80003c43db80) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806be29990,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c43dd90,200000000080) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c43dd90) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7587b63b06e0, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e0740) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838c2b90) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff838c2b90) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008826380) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008826380) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008826380) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8069844590,0,ffff80003c43d9e8,ffff80003c43d9c4,0,2,25a413a4442b008a,ffff80003c43dc40) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c43dc08,ffff80003c43dc40,ffff80003c43da70,ffff80003c43da78) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80003c43dc08,ffff80003c43dc40,ffff80003c43db80) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806be29990,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c43dd90,200000000080) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c43dd90) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7587b63b06e0, count: -13