panic: mtx 0xffffffff83987ea0: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 377424 60775 32767 0x10 0x4000000 1 syz-executor *412457 10585 32767 0x10 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833dc301) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83987ea0) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff83987ea0) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd80081381f8) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80081381f8) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80081381f8) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806143be10,0,ffff80003c441188,ffff80003c441164,0,2,5517dd95f330078d,ffff80003c4413e0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c4413a8,ffff80003c4413e0,ffff80003c441210,ffff80003c441218) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80003c4413a8,ffff80003c4413e0,ffff80003c441320) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806c02db68,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c441530,200000000f00) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c441530) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x72487607d2a0, 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 0xffffffff83987ea0: locking against myself ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833dc301) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83987ea0) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff83987ea0) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd80081381f8) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80081381f8) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80081381f8) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806143be10,0,ffff80003c441188,ffff80003c441164,0,2,5517dd95f330078d,ffff80003c4413e0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c4413a8,ffff80003c4413e0,ffff80003c441210,ffff80003c441218) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80003c4413a8,ffff80003c4413e0,ffff80003c441320) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806c02db68,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c441530,200000000f00) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c441530) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x72487607d2a0, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c440ed0 rbx 0xffffffff83828dcf cpu_info_full_primary+0x2dcf rdx 0 rcx 0xffff80002a2bbc48 rax 0xffffffff83827ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x5681c6b8c8c29627 r11 0xd1f32493d3fcf107 r12 0xffffffff83828bd0 cpu_info_full_primary+0x2bd0 r13 0 r14 0 r15 0x1 rip 0xffffffff82d2f565 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c440ec0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=412457 pid=10585 tcnt=4 stat=onproc flags process=10 proc=0 runpri=71, usrpri=71, slppri=16, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a2bb208,0xffff80002a2ba7d8 process=0xffff80003c420970 user=0xffff80003c43c000, vmspace=0xfffffd806c02db68 estcpu=21, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 26970 305649 16509 0 2 0 syz-executor 3488 282761 832 32767 2 0x10 syz-executor 3488 396796 832 32767 2 0x4000010 syz-executor 60775 469210 25440 32767 2 0x10 syz-executor 60775 377424 25440 32767 7 0x4000010 syz-executor 51452 198114 47130 32767 2 0x10 syz-executor 51452 81325 47130 32767 3 0x4000010 biowait syz-executor 91487 499343 68338 32767 2 0x10 syz-executor 91487 52895 68338 32767 2 0x4000010 syz-executor 81734 143751 43608 32767 2 0x10 syz-executor 81734 138400 43608 32767 2 0x4000010 syz-executor *10585 412457 52882 32767 7 0x10 syz-executor 10585 147629 52882 32767 3 0x4000010 biowait syz-executor 10585 357734 52882 32767 3 0x4000010 fltagain2 syz-executor 10585 12771 52882 32767 3 0x4000090 fsleep syz-executor 64261 332952 65963 32767 2 0x10 syz-executor 64261 468115 65963 32767 3 0x4000090 fsleep syz-executor 16509 29493 29126 0 3 0x82 wait syz-executor 21626 478042 0 0 3 0x14200 bored sosplice 43608 61518 8505 32767 3 0x90 nanoslp syz-executor 25440 340548 56020 32767 2 0x10 syz-executor 47130 466185 55378 32767 3 0x90 nanoslp syz-executor 68338 67481 84923 32767 2 0x10 syz-executor 832 285879 36212 32767 3 0x90 nanoslp syz-executor 65963 161622 55311 32767 3 0x90 nanoslp syz-executor 52882 185111 55408 32767 3 0x90 nanoslp syz-executor 56020 177876 29126 0 3 0x82 wait syz-executor 55378 103723 29126 0 3 0x82 wait syz-executor 36212 466183 29126 0 3 0x82 wait syz-executor 84923 344770 29126 0 3 0x82 wait syz-executor 8505 199589 29126 0 3 0x82 wait syz-executor 55408 412416 29126 0 3 0x82 wait syz-executor 55311 326132 29126 0 3 0x82 wait syz-executor 29126 353719 34525 0 3 0x82 kqread syz-executor 34525 171995 81052 0 3 0x10008a sigsusp ksh 81052 402539 31777 0 3 0x98 kqread sshd-session 31777 522478 72508 0 3 0x92 kqread sshd-session 22082 243948 1 0 3 0x100083 ttyin getty 72508 314055 1 0 3 0x88 kqread sshd 39928 420997 28622 73 3 0x1100090 kqread syslogd 28622 46571 1 0 3 0x100082 sbwait syslogd 18509 148527 1 0 3 0x100080 kqread resolvd 17727 81526 28766 77 3 0x100092 kqread dhcpleased 20291 271734 28766 77 3 0x100092 kqread dhcpleased 28766 176937 1 0 3 0x80 kqread dhcpleased 64122 300585 0 0 3 0x14200 bored smr 88550 273715 0 0 2 0x14200 zerothread 91315 309562 0 0 3 0x14200 aiodoned aiodoned 50687 433911 0 0 3 0x14200 syncer update 69938 248038 0 0 3 0x14200 cleaner cleaner 59694 204100 0 0 3 0x14200 reaper reaper 71325 410864 0 0 3 0x14200 pgdaemon pagedaemon 11779 520366 0 0 3 0x14200 bored viomb 88698 237057 0 0 3 0x40014200 acpi0 acpi0 12417 379979 0 0 3 0x40014200 idle1 41321 192112 0 0 3 0x14200 bored softnet3 33039 263838 0 0 3 0x14200 bored softnet2 17158 455909 0 0 3 0x14200 bored softnet1 20232 434919 0 0 3 0x14200 bored softnet0 12708 248821 0 0 3 0x14200 bored systqmp 89231 341726 0 0 3 0x14200 bored systq 46046 254018 0 0 3 0x14200 tmoslp softclockmp 90640 26894 0 0 3 0x40014200 tmoslp softclock 53228 504672 0 0 3 0x40014200 idle0 1 58880 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff83987eb0) #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 51452 (syz-executor) thread 0xffff80003c4554a8 (81325) exclusive rrwlock inode r = 0 (0xfffffd806bc44e20) #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 (0xfffffd806bc44400) #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 Process 10585 (syz-executor) thread 0xffff80002a2bbc48 (412457) exclusive rwlock uobjlk r = 0 (0xfffffd8068fcc650) #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 (0xffffffff83987eb0) #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 10585 (syz-executor) thread 0xffff8000ffff14a0 (147629) exclusive rrwlock inode r = 0 (0xfffffd806bc449a0) #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 10585 (syz-executor) thread 0xffff8000ffff02b0 (357734) exclusive rwlock fdlock r = 0 (0xffff8000299e2268) #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_socketpair+0x2f5 sys/kern/uipc_syscalls.c:-1 #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 10585 (syz-executor) thread 0xffff8000ffff19c0 (12771) exclusive rwlock futex r = 0 (0xffffffff8380b698) #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 10180 10951K 10965K 166960K 11260 0 pcb 17 12K 12K 166960K 17 0 rtable 212 6K 6K 166960K 345 0 pf 29 16K 16K 166960K 31 0 ifaddr 38 6K 7K 166960K 44 0 ifgroup 46 2K 2K 166960K 50 0 sysctl 2 1K 1K 166960K 2 0 counters 62 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 30 0 iov 0 0K 4K 166960K 2 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1335 84K 84K 166960K 1396 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 3 0K 0K 166960K 3 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 25 93K 129K 166960K 216 0 sigio 0 0K 0K 166960K 1 0 proc 58 79K 127K 166960K 477 0 subproc 72 4K 4K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 13 0 in_multi 88 6K 7K 166960K 100 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 350 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 245 153K 168K 166960K 3295 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 46 92K 112K 166960K 1208 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 1 0 NDP 10 0K 2K 166960K 27 0 temp 39 8683K 8746K 166960K 3937 0 kqueue 13 20K 24K 166960K 30 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 40 0 37 1 0 1 1 0 8 0 rtentry 176 111 0 12 5 0 5 5 0 8 0 unpcb 144 58 0 41 1 0 1 1 0 8 0 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 808 24 0 19 1 0 1 1 0 8 0 arp 128 18 0 2 1 0 1 1 0 8 0 inpcb 384 99 0 90 2 0 2 2 0 8 1 nd6 144 24 0 3 1 0 1 1 0 8 0 kcovpl 48 13 0 5 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 44 29 0 29 29 0 8 2 art_table 32 454 0 44 4 0 4 4 0 8 0 art_node 16 110 0 20 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 1 1 0 1 1 0 8 0 semapl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 1641 0 126 95 0 95 95 0 8 0 ffsino 288 1641 0 126 109 0 109 109 0 8 0 nchpl 144 1961 0 279 63 0 63 63 0 8 0 uvmvnodes 80 1767 0 0 37 0 37 37 0 8 0 vnodes 216 1767 0 0 99 0 99 99 0 8 0 namei 1024 5994 0 5993 2 0 2 2 0 8 1 percpumem 16 47 0 1 1 0 1 1 0 8 0 kstatmem 264 22 0 2 2 0 2 2 0 8 0 scxspl 216 6280 0 6278 4 3 1 2 1 8 0 plimitpl 152 51 0 27 2 0 2 2 0 8 1 sigapl 424 477 0 421 8 0 8 8 0 8 0 futexpl 64 756 0 754 1 0 1 1 0 8 0 knotepl 120 316 0 0 10 0 10 10 0 8 0 kqueuepl 224 31 0 22 1 0 1 1 0 8 0 pipepl 336 115 0 88 4 1 3 3 0 8 0 fdescpl 520 458 0 421 4 0 4 4 0 8 1 filepl 160 1615 0 1402 10 0 10 10 0 8 0 lockfpl 104 23 0 20 1 0 1 1 0 8 0 lockfspl 48 11 0 8 1 0 1 1 0 8 0 sessionpl 144 25 0 10 1 0 1 1 0 8 0 pgrppl 48 39 0 16 1 0 1 1 0 8 0 ucredpl 104 144 0 126 1 0 1 1 0 8 0 zombiepl 144 421 0 421 2 1 1 1 0 8 1 processpl 1192 477 0 421 5 0 5 5 0 8 0 procpl 656 570 0 505 6 0 6 6 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 728 197 0 168 4 0 4 4 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 111 0 0 14 0 14 14 0 8 0 mcl2k 2048 19 0 0 3 0 3 3 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 177 0 0 12 0 12 12 0 8 0 bufpl 280 2370 0 117 161 0 161 161 0 8 0 anonpl 32 7187 0 0 58 0 58 58 0 246 0 amapchunkpl 152 10022 0 9367 36 1 35 35 0 158 9 amappl16 200 2356 0 2336 14 2 12 14 0 8 10 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 103 0 93 1 0 1 1 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 1055 0 1018 2 0 2 2 0 8 0 amappl11 160 48 0 38 1 0 1 1 0 8 0 amappl10 152 5 0 5 2 2 0 1 0 8 0 amappl9 144 251 0 251 2 2 0 1 0 8 0 amappl8 136 24 0 23 1 0 1 1 0 8 0 amappl7 128 90 0 80 1 0 1 1 0 8 0 amappl6 120 172 0 169 2 1 1 1 0 8 0 amappl5 112 119 0 113 1 0 1 1 0 8 0 amappl4 104 276 0 261 1 0 1 1 0 8 0 amappl3 96 1539 0 1415 4 0 4 4 0 8 0 amappl2 88 590 0 536 2 0 2 2 0 8 0 amappl1 80 7958 0 7383 14 1 13 13 0 8 0 amappl 88 2667 0 2486 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 458 0 421 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 458 0 421 1 0 1 1 0 8 0 vmmpekpl 168 5329 0 5285 3 0 3 3 0 8 0 vmmpepl 168 35440 0 33349 104 3 101 101 0 357 10 vmsppl 480 457 0 421 7 1 6 6 0 8 1 rwobjpl 72 14584 0 11982 50 0 50 50 0 8 2 pdppl 4096 923 0 842 109 26 83 99 0 8 2 pvpl 32 12650 0 0 103 1 102 102 0 265 0 pmappl 256 457 0 421 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 392 0 30 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(ffffffff833dc301) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83987ea0) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff83987ea0) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd80081381f8) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80081381f8) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80081381f8) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806143be10,0,ffff80003c441188,ffff80003c441164,0,2,5517dd95f330078d,ffff80003c4413e0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c4413a8,ffff80003c4413e0,ffff80003c441210,ffff80003c441218) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80003c4413a8,ffff80003c4413e0,ffff80003c441320) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806c02db68,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c441530,200000000f00) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c441530) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x72487607d2a0, 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 __mp_lock(ffffffff838d5c70) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838d5c70) at __mp_lock+0x192 sys/kern/kern_lock.c:144 end trace frame: 0x0, count: 11 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 __mp_lock(ffffffff838d5c70) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838d5c70) at __mp_lock+0x192 sys/kern/kern_lock.c:144 end trace frame: 0x0, count: -4