panic: mtx 0xffffffff838c2b90: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *221831 15314 32767 0x10 0 0 syz-executor 173225 3608 32767 0x10 0 1 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(fffffd800858a910) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd800858a910) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd800858a910) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806c031d58,0,ffff80002a339cb8,ffff80002a339c94,0,2,d49c99dc82ac917b,ffff80002a339f10) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80002a339ed8,ffff80002a339f10,ffff80002a339d40,ffff80002a339d48) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80002a339ed8,ffff80002a339f10,ffff80002a339e50) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806c18a200,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80002a33a060,2000000001c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a33a060) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7bff30a30300, 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 0xffffffff838c2b90: locking against myself ddb{0}> 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(fffffd800858a910) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd800858a910) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd800858a910) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806c031d58,0,ffff80002a339cb8,ffff80002a339c94,0,2,d49c99dc82ac917b,ffff80002a339f10) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80002a339ed8,ffff80002a339f10,ffff80002a339d40,ffff80002a339d48) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80002a339ed8,ffff80002a339f10,ffff80002a339e50) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806c18a200,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80002a33a060,2000000001c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a33a060) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7bff30a30300, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a339a00 rbx 0xffffffff837dedcf cpu_info_full_primary+0x2dcf rdx 0 rcx 0xffff8000ffff1210 rax 0xffffffff837ddff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x3c02589796ede0ca r11 0x201a5afeeaf1a991 r12 0xffffffff837debd0 cpu_info_full_primary+0x2bd0 r13 0 r14 0 r15 0x1 rip 0xffffffff831ecae5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a3399f0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=221831 pid=15314 tcnt=3 stat=onproc flags process=10 proc=0 runpri=72, usrpri=72, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff0020,0xffff8000ffff02c0 process=0xffff8000380212c0 user=0xffff80002a335000, vmspace=0xfffffd806c18a200 estcpu=22, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *15314 221831 17617 32767 7 0x10 syz-executor 15314 218611 17617 32767 3 0x4000010 biowait syz-executor 15314 35478 17617 32767 3 0x4000090 fsleep syz-executor 3608 173225 40059 32767 7 0x10 syz-executor 34804 197540 38891 32767 2 0x10 syz-executor 47831 62172 9025 32767 2 0x10 syz-executor 47831 25178 9025 32767 2 0x4000010 syz-executor 47831 448704 9025 32767 2 0x4000010 syz-executor 47831 505440 9025 32767 2 0x4000010 syz-executor 42615 66083 73137 0 3 0x2 biowait syz-executor 12238 470838 0 0 3 0x14200 bored sosplice 25612 295172 39496 32767 3 0x90 piperd syz-executor 34102 56687 27272 32767 3 0x90 piperd syz-executor 43535 309010 97060 32767 3 0x90 piperd syz-executor 17617 123488 37031 32767 3 0x90 nanoslp syz-executor 40059 57292 55738 32767 3 0x90 nanoslp syz-executor 38891 274963 555 32767 3 0x90 nanoslp syz-executor 9025 132492 86126 32767 3 0x90 nanoslp syz-executor 39496 209497 73137 0 3 0x82 wait syz-executor 27272 102000 73137 0 3 0x82 wait syz-executor 97060 277210 73137 0 3 0x82 wait syz-executor 37031 304412 73137 0 3 0x82 wait syz-executor 55738 133174 73137 0 3 0x82 wait syz-executor 555 76732 73137 0 3 0x82 wait syz-executor 86126 238678 73137 0 3 0x82 wait syz-executor 73137 104833 74187 0 2 0x2 syz-executor 74187 114390 17417 0 3 0x10008a sigsusp ksh 17417 292998 77038 0 3 0x98 kqread sshd-session 77038 441040 59324 0 3 0x92 kqread sshd-session 86428 176091 1 0 3 0x100083 ttyin getty 59324 171746 1 0 3 0x88 kqread sshd 3281 98421 78044 73 3 0x1100090 kqread syslogd 78044 364854 1 0 3 0x100082 sbwait syslogd 75713 524205 1 0 3 0x100080 kqread resolvd 41081 105559 37558 77 3 0x100092 kqread dhcpleased 85345 347255 37558 77 3 0x100092 kqread dhcpleased 37558 411335 1 0 3 0x80 kqread dhcpleased 6027 36643 0 0 3 0x14200 bored smr 16002 523715 0 0 2 0x14200 zerothread 23510 264353 0 0 3 0x14200 aiodoned aiodoned 20341 399683 0 0 3 0x14200 syncer update 44010 191862 0 0 3 0x14200 cleaner cleaner 62384 190885 0 0 3 0x14200 reaper reaper 46773 151754 0 0 3 0x14200 pgdaemon pagedaemon 28204 502755 0 0 3 0x14200 bored viomb 22197 22803 0 0 3 0x40014200 acpi0 acpi0 86668 477117 0 0 3 0x40014200 idle1 42310 391976 0 0 3 0x14200 bored softnet3 35606 234629 0 0 3 0x14200 bored softnet2 61433 143696 0 0 3 0x14200 bored softnet1 8106 288722 0 0 3 0x14200 bored softnet0 98319 338148 0 0 3 0x14200 bored systqmp 8988 518189 0 0 3 0x14200 bored systq 10389 1064 0 0 3 0x14200 tmoslp softclockmp 36156 519719 0 0 3 0x40014200 tmoslp softclock 77118 477883 0 0 3 0x40014200 idle0 1 407688 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 (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 15314 (syz-executor) thread 0xffff8000ffff1210 (221831) exclusive rwlock uobjlk r = 0 (0xfffffd805e640138) #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 15314 (syz-executor) thread 0xffff8000ffff02b0 (218611) exclusive rrwlock inode r = 0 (0xfffffd807b3b6320) #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 15314 (syz-executor) thread 0xffff8000ffff1c50 (35478) exclusive rwlock futexpl r = 0 (0xffffffff83962540) #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 (0xffffffff8381f348) #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 42615 (syz-executor) thread 0xffff8000ffff1730 (66083) exclusive rrwlock inode r = 0 (0xfffffd8068ebb400) #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 (0xfffffd806f0dc8b0) #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10208 10955K 10965K 166960K 11290 0 pcb 17 12K 12K 166960K 17 0 rtable 212 6K 6K 166960K 360 0 pf 29 16K 16K 166960K 31 0 ifaddr 38 6K 7K 166960K 44 0 ifgroup 46 2K 2K 166960K 50 0 sysctl 3 1K 3K 166960K 4 0 counters 62 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 35 0 iov 0 0K 16K 166960K 13 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1334 84K 84K 166960K 1520 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 12 0K 1K 166960K 21 0 dirhash 12 2K 3K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 21 74K 125K 166960K 434 0 sigio 0 0K 0K 166960K 10 0 proc 58 79K 115K 166960K 511 0 subproc 63 3K 4K 166960K 225 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 60 0 in_multi 88 6K 7K 166960K 110 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 223 996K 996K 166960K 223 0 exec 0 0K 1K 166960K 389 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 205 158K 179K 166960K 5118 0 UVM aobj 9 2K 2K 166960K 10 0 pinsyscall 42 84K 110K 166960K 1443 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 10 0 NDP 10 0K 2K 166960K 27 0 temp 51 8679K 8754K 166960K 5024 0 kqueue 13 20K 26K 166960K 72 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 120 114 0 111 3 2 1 3 0 8 0 rtentry 176 115 0 16 6 1 5 6 0 8 0 unpcb 144 620 0 605 8 7 1 8 0 8 0 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpqe 32 3 0 3 1 1 0 1 0 8 0 tcpcb 808 152 0 145 8 7 1 8 0 8 0 arp 128 18 0 2 1 0 1 1 0 8 0 inpcb 384 348 0 338 12 10 2 12 0 8 0 nd6 144 28 0 7 1 0 1 1 0 8 0 kcovpl 48 25 0 18 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 473 0 65 29 1 28 29 0 8 0 art_table 32 474 0 65 4 0 4 4 0 8 0 art_node 16 114 0 24 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 5 1 1 0 1 0 8 0 semapl 112 15 0 5 1 0 1 1 0 8 0 shmpl 112 7 0 1 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 1917 0 393 96 0 96 96 0 8 0 ffsino 288 1917 0 393 109 0 109 109 0 8 0 nchpl 144 2425 0 735 63 0 63 63 0 8 0 uvmvnodes 80 2151 0 0 44 0 44 44 0 8 0 vnodes 216 2151 0 0 120 0 120 120 0 8 0 namei 1024 8133 0 8132 2 1 1 2 0 8 0 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 8773 0 8770 10 3 7 7 1 8 6 plimitpl 152 102 0 79 2 1 1 2 0 8 0 sigapl 424 674 0 622 8 0 8 8 0 8 0 futexpl 64 3359 0 3358 1 0 1 1 0 8 0 knotepl 120 314 0 0 10 0 10 10 0 8 0 kqueuepl 224 189 0 180 5 4 1 5 0 8 0 pipepl 336 176 0 149 3 0 3 3 0 8 0 fdescpl 520 655 0 622 4 1 3 4 0 8 0 filepl 160 3804 0 3609 21 11 10 21 0 8 0 lockfpl 104 52 0 49 1 0 1 1 0 8 0 lockfspl 48 24 0 21 1 0 1 1 0 8 0 sessionpl 144 41 0 26 1 0 1 1 0 8 0 pgrppl 48 68 0 45 1 0 1 1 0 8 0 ucredpl 104 441 0 423 1 0 1 1 0 8 0 zombiepl 144 622 0 622 1 0 1 1 0 8 1 processpl 1192 674 0 622 5 0 5 5 0 8 0 procpl 656 1084 0 1027 8 1 7 7 0 8 1 sosppl 168 5 0 5 2 1 1 1 0 8 1 sockpl 728 1088 0 1060 27 23 4 21 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 110 0 0 14 0 14 14 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 237 0 0 15 0 15 15 0 8 0 bufpl 280 3090 0 117 213 0 213 213 0 8 0 anonpl 32 9961 0 0 81 0 81 81 0 246 0 amapchunkpl 152 16270 0 15877 31 4 27 30 0 158 7 amappl16 200 2982 0 2959 25 14 11 19 0 8 8 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 105 0 95 1 0 1 1 0 8 0 amappl13 176 10 0 10 1 1 0 1 0 8 0 amappl12 168 1250 0 1219 3 1 2 3 0 8 0 amappl11 160 47 0 37 1 0 1 1 0 8 0 amappl10 152 17 0 17 1 1 0 1 0 8 0 amappl9 144 250 0 250 1 1 0 1 0 8 0 amappl8 136 35 0 34 1 0 1 1 0 8 0 amappl7 128 98 0 87 1 0 1 1 0 8 0 amappl6 120 190 0 186 1 0 1 1 0 8 0 amappl5 112 118 0 110 1 0 1 1 0 8 0 amappl4 104 284 0 269 1 0 1 1 0 8 0 amappl3 96 2830 0 2737 4 0 4 4 0 8 0 amappl2 88 615 0 561 2 0 2 2 0 8 0 amappl1 80 9470 0 8910 15 0 15 15 0 8 0 amappl 88 4412 0 4272 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 9 0 1 1 0 1 1 0 8 0 uaddrrnd 24 655 0 622 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 655 0 622 1 0 1 1 0 8 0 vmmpekpl 168 7362 0 7316 3 0 3 3 0 8 0 vmmpepl 168 48759 0 46897 106 7 99 106 0 357 8 vmsppl 480 654 0 622 7 2 5 6 0 8 0 rwobjpl 72 18237 0 15293 58 1 57 57 0 8 0 pdppl 4096 1318 0 1244 120 38 82 98 0 8 8 pvpl 32 16737 0 0 136 1 135 135 0 265 0 pmappl 256 654 0 622 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 415 0 51 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(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(fffffd800858a910) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd800858a910) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd800858a910) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806c031d58,0,ffff80002a339cb8,ffff80002a339c94,0,2,d49c99dc82ac917b,ffff80002a339f10) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80002a339ed8,ffff80002a339f10,ffff80002a339d40,ffff80002a339d48) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80002a339ed8,ffff80002a339f10,ffff80002a339e50) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806c18a200,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80002a33a060,2000000001c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a33a060) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7bff30a30300, 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(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 syscall(ffff80002a3347b0) at syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3347b0) at syscall+0xae6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77c29f772c50, count: 9 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(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 syscall(ffff80002a3347b0) at syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3347b0) at syscall+0xae6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77c29f772c50, count: -6