panic: mtx 0xffffffff838b94c8: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *105850 8747 0 0 0 0 syz-executor 141333 96239 60929 0x10 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8333a77c) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838b94c8) at mtx_enter_try+0x1da mtx_enter(ffffffff838b94c8) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd80085ed130) at uvm_pageclean+0x28e uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80085ed130) at uvm_pageclean+0x28e sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80085ed130) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806b63b8b0,2000,ffff800037c32fd8,ffff800037c32fbc,0,2,886c85fbd6cf4804,2) at uvn_get+0x686 sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800037c331f0,ffff800037c33228,ffff800037c33070,ffff800037c33058) at uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800037c331f0,ffff800037c33228,ffff800037c33170) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806b9c9200,200000002000,0,2) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800037c33380,200000002d00) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800037c33380) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7e1323095be0, 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 0xffffffff838b94c8: locking against myself ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8333a77c) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838b94c8) at mtx_enter_try+0x1da mtx_enter(ffffffff838b94c8) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd80085ed130) at uvm_pageclean+0x28e uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80085ed130) at uvm_pageclean+0x28e sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80085ed130) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806b63b8b0,2000,ffff800037c32fd8,ffff800037c32fbc,0,2,886c85fbd6cf4804,2) at uvn_get+0x686 sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800037c331f0,ffff800037c33228,ffff800037c33070,ffff800037c33058) at uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800037c331f0,ffff800037c33228,ffff800037c33170) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806b9c9200,200000002000,0,2) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800037c33380,200000002d00) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800037c33380) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7e1323095be0, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800037c32d10 rbx 0xffffffff8378eddf cpu_info_full_primary+0x2ddf rdx 0 rcx 0xffff8000ffff22a8 rax 0xffffffff8378dff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x58131fe59280e302 r11 0xa39bf8cabdcad3fd r12 0xffffffff8378ebe0 cpu_info_full_primary+0x2be0 r13 0 r14 0 r15 0x1 rip 0xffffffff810cda35 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800037c32d00 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=105850 pid=8747 tcnt=4 stat=onproc flags process=0 proc=0 runpri=50, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800038028028,0xffff8000ffff34e0 process=0xffff80002a39f5c8 user=0xffff800037c2e000, vmspace=0xfffffd806b9c9200 estcpu=36, cpticks=1, pctcpu=0.0, user=1, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND * 8747 105850 35180 0 7 0 syz-executor 8747 123388 35180 0 3 0x4000080 fsleep syz-executor 8747 409066 35180 0 3 0x4000000 biowait syz-executor 8747 485699 35180 0 3 0x4000080 fsleep syz-executor 42264 206311 79711 0 2 0 syz-executor 42264 221611 79711 0 3 0x4000080 fsleep syz-executor 76643 100194 69767 0 2 0 syz-executor 76643 149003 69767 0 3 0x4000080 fsleep syz-executor 30756 309137 73743 0 2 0 syz-executor 30756 433482 73743 0 3 0x4000000 biowait syz-executor 30756 320344 73743 0 2 0x4000000 syz-executor 30756 416603 73743 0 2 0x4000000 syz-executor 3599 320493 23147 0 2 0 syz-executor 3599 136556 23147 0 3 0x4000080 bell syz-executor 3599 22031 23147 0 3 0x4000080 netcon syz-executor 20295 13769 80376 60929 2 0x10 syz-executor 20295 154111 80376 60929 3 0x4000090 ttyretype syz-executor 20295 243696 80376 60929 3 0x4000090 fsleep syz-executor 96239 141333 35308 60929 7 0x10 syz-executor 96239 146544 35308 60929 3 0x4000010 biowait syz-executor 96239 329228 35308 60929 3 0x4000090 fsleep syz-executor 96239 129351 35308 60929 3 0x4000090 fsleep syz-executor 80376 216794 43755 0 3 0x82 nanoslp syz-executor 55315 314675 0 0 3 0x14200 bored sosplice 69767 408601 43755 0 3 0x82 nanoslp syz-executor 35308 205952 43755 0 3 0x82 nanoslp syz-executor 79711 314477 43755 0 3 0x82 nanoslp syz-executor 73743 466835 43755 0 3 0x82 nanoslp syz-executor 35180 285020 43755 0 3 0x82 nanoslp syz-executor 40264 95021 43755 0 3 0x82 piperd syz-executor 23147 137414 43755 0 3 0x82 nanoslp syz-executor 43755 427428 7078 0 2 0x2 syz-executor 7078 315273 52701 0 3 0x10008a sigsusp ksh 52701 434680 25647 0 3 0x98 kqread sshd-session 25647 138870 58956 0 3 0x92 kqread sshd-session 36836 242816 1 0 3 0x100083 ttyin getty 58956 64465 1 0 3 0x88 kqread sshd 16542 279671 50312 74 3 0x1100092 bpf pflogd 50312 35370 1 0 3 0x80 sbwait pflogd 62243 159070 10197 73 3 0x1100090 kqread syslogd 10197 89139 1 0 3 0x100082 sbwait syslogd 47015 98133 1 0 3 0x100080 kqread resolvd 29129 252082 68775 77 3 0x100092 kqread dhcpleased 17471 200194 68775 77 3 0x100092 kqread dhcpleased 68775 317334 1 0 3 0x80 kqread dhcpleased 13288 296472 0 0 3 0x14200 bored smr 67904 349351 0 0 2 0x14200 zerothread 51087 234735 0 0 3 0x14200 aiodoned aiodoned 86485 184982 0 0 3 0x14200 syncer update 70707 4763 0 0 3 0x14200 cleaner cleaner 75244 295942 0 0 3 0x14200 reaper reaper 90821 211789 0 0 3 0x14200 pgdaemon pagedaemon 62644 247199 0 0 3 0x14200 bored viomb 16014 284726 0 0 3 0x40014200 acpi0 acpi0 15270 23334 0 0 3 0x40014200 idle1 47627 183634 0 0 3 0x14200 bored softnet7 76281 224428 0 0 3 0x14200 bored softnet6 33506 116100 0 0 3 0x14200 bored softnet5 5387 493434 0 0 3 0x14200 bored softnet4 6453 349734 0 0 3 0x14200 bored softnet3 97712 101914 0 0 3 0x14200 bored softnet2 15448 469737 0 0 3 0x14200 bored softnet1 73259 506759 0 0 3 0x14200 bored softnet0 3421 509911 0 0 3 0x14200 bored systqmp 83629 376586 0 0 3 0x14200 bored systq 18527 424697 0 0 3 0x14200 tmoslp softclockmp 44247 168406 0 0 3 0x40014200 tmoslp softclock 45867 123839 0 0 3 0x40014200 idle0 1 120602 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff838b94d8) #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 CPU 1: exclusive mutex &pr->ps_mtx r = 0 (0xffff80002a39f6f0) #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 proc_suspend_check+0x43 sys/kern/kern_sig.c:2281 #4 sleep_signal_check+0x49 sys/kern/kern_synch.c:449 #5 sleep_finish+0x177 sys/kern/kern_synch.c:338 #6 sys_futex+0xa99 futex_wait sys/kern/sys_futex.c:301 [inline] #6 sys_futex+0xa99 sys/kern/sys_futex.c:151 #7 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #7 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #8 Xsyscall+0x128 Process 8747 (syz-executor) thread 0xffff8000ffff22a8 (105850) exclusive rwlock uobjlk r = 0 (0xfffffd806b996c28) #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 (0xffffffff838b94d8) #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 8747 (syz-executor) thread 0xffff8000ffff3c98 (409066) exclusive rrwlock inode r = 0 (0xfffffd80778c5a30) #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 30756 (syz-executor) thread 0xffff8000380287f0 (433482) exclusive rrwlock inode r = 0 (0xfffffd80778c5340) #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 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 96239 (syz-executor) thread 0xffff800038029cb0 (146544) exclusive rrwlock inode r = 0 (0xfffffd80778c50f0) #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 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10216 11282K 11282K 166960K 11525 0 pcb 18 12K 12K 166960K 51 0 rtable 228 8K 9K 166960K 362 0 pf 36 18K 25K 166960K 80 0 ifaddr 43 7K 8K 166960K 68 0 ifgroup 55 2K 2K 166960K 91 0 sysctl 2 1K 9K 166960K 8 0 counters 68 36K 37K 166960K 116 0 ioctlops 0 0K 4K 166960K 1522 0 iov 0 0K 18K 166960K 16 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1338 84K 85K 166960K 1547 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 6 0 VM map 2 1K 1K 166960K 2 0 sem 5 0K 0K 166960K 6 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 110K 166960K 400 0 sigio 0 0K 0K 166960K 6 0 proc 72 115K 180K 166960K 615 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 29 0 in_multi 99 7K 7K 166960K 138 0 ether_multi 1 0K 0K 166960K 5 0 mrt 0 0K 0K 166960K 5 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 405 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 257 168K 188K 166960K 4972 0 UVM aobj 5 2K 2K 166960K 6 0 pinsyscall 42 84K 104K 166960K 1538 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 49 0 NDP 12 0K 2K 166960K 44 0 temp 41 8643K 8715K 166960K 5303 0 kqueue 13 20K 30K 166960K 70 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 54 0 50 1 0 1 1 0 8 0 rtentry 176 131 0 33 5 0 5 5 0 8 0 unpcb 144 162 0 145 2 0 2 2 0 8 1 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 736 101 0 94 4 3 1 4 0 8 0 arp 128 15 0 4 1 0 1 1 0 8 0 inpcb 328 326 0 313 5 3 2 4 0 8 0 nd6 144 23 0 5 1 0 1 1 0 8 0 pkpcb 40 7 0 7 2 1 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1192 19 0 19 2 1 1 1 0 8 1 pppxif 1504 4 0 4 1 0 1 1 0 8 1 pffrag 232 2 0 1 1 0 1 1 0 482 0 pffrnode 88 2 0 1 1 0 1 1 0 8 0 pffrent 40 3 0 2 1 0 1 1 0 8 0 pfosfp 40 1428 0 1428 5 0 5 5 0 8 5 pfosfpen 112 1428 0 1428 21 0 21 21 0 8 21 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 34 0 0 1 0 1 1 0 8 0 pfstkey 128 34 0 0 2 0 2 2 0 8 0 pfstate 384 34 0 0 4 0 4 4 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 556 0 104 32 2 30 30 0 8 1 art_table 40 558 0 104 5 0 5 5 0 8 0 art_node 32 130 0 42 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 1 2 1 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 4 0 1 1 0 1 1 0 8 0 shmpl 112 3 0 1 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2004 0 492 96 0 96 96 0 8 0 ffsino 296 2004 0 492 119 1 118 118 0 8 0 nchpl 144 2508 0 814 64 0 64 64 0 8 0 rtmask 32 4 0 4 2 1 1 1 0 8 1 uvmvnodes 80 2194 0 0 45 0 45 45 0 8 0 vnodes 216 2194 0 0 122 0 122 122 0 8 0 namei 1024 7913 0 7913 2 1 1 2 0 8 1 percpumem 16 73 0 24 1 0 1 1 0 8 0 kstatmem 264 50 0 24 3 0 3 3 0 8 1 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 13021 0 13017 11 3 8 8 1 8 7 plimitpl 152 126 0 106 1 0 1 1 0 8 0 sigapl 424 716 0 662 9 0 9 9 0 8 2 knotepl 120 693 0 0 21 0 21 21 0 8 0 kqueuepl 224 98 0 88 1 0 1 1 0 8 0 pipepl 344 129 0 101 3 0 3 3 0 8 0 fdescpl 528 672 0 641 3 0 3 3 0 8 0 filepl 160 2827 0 2597 11 0 11 11 0 8 0 lockfpl 104 96 0 92 1 0 1 1 0 8 0 lockfspl 48 40 0 36 1 0 1 1 0 8 0 sessionpl 144 27 0 18 1 0 1 1 0 8 0 pgrppl 48 37 0 20 1 0 1 1 0 8 0 ucredpl 104 298 0 283 1 0 1 1 0 8 0 zombiepl 144 662 0 662 1 0 1 1 0 8 1 processpl 1248 716 0 662 6 0 6 6 0 8 0 procpl 664 1114 0 1045 8 0 8 8 0 8 2 sosppl 168 2 0 2 1 1 0 1 0 8 0 sockpl 752 559 0 525 8 3 5 7 0 8 1 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 134 0 0 17 0 17 17 0 8 0 mcl2k 2048 43 0 0 6 0 6 6 0 8 0 mtagpl 96 8 0 0 1 0 1 1 0 8 0 mbufpl 256 145 0 0 10 0 10 10 0 8 0 bufpl 280 5425 0 131 379 0 379 379 0 8 0 anonpl 32 12357 0 0 100 0 100 100 0 246 0 amapchunkpl 152 14440 0 13888 28 1 27 27 0 158 5 amappl16 200 1102 0 1037 26 11 15 26 0 8 8 amappl15 192 2 0 2 1 1 0 1 0 8 0 amappl14 184 115 0 103 1 0 1 1 0 8 0 amappl13 176 3 0 2 1 0 1 1 0 8 0 amappl12 168 1342 0 1311 2 0 2 2 0 8 0 amappl11 160 47 0 33 1 0 1 1 0 8 0 amappl10 152 2 0 2 1 1 0 1 0 8 0 amappl9 144 253 0 253 1 1 0 1 0 8 0 amappl8 136 16 0 14 1 0 1 1 0 8 0 amappl7 128 110 0 97 1 0 1 1 0 8 0 amappl6 120 190 0 186 1 0 1 1 0 8 0 amappl5 112 123 0 114 1 0 1 1 0 8 0 amappl4 104 301 0 282 1 0 1 1 0 8 0 amappl3 96 2859 0 2731 4 0 4 4 0 8 0 amappl2 88 674 0 612 2 0 2 2 0 8 0 amappl1 80 10065 0 9461 16 1 15 15 0 8 0 amappl 88 4210 0 4029 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 5 0 1 1 0 1 1 0 8 0 uaddrrnd 24 672 0 641 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 672 0 641 1 0 1 1 0 8 0 vmmpekpl 168 7232 0 7189 3 0 3 3 0 8 0 vmmpepl 168 47781 0 45736 109 0 109 109 0 357 16 vmsppl 488 671 0 641 5 0 5 5 0 8 0 rwobjpl 80 16837 0 13640 67 0 67 67 0 8 1 pdppl 4096 1352 0 1282 102 30 72 86 0 8 2 pvpl 32 22666 0 0 183 0 183 183 0 265 0 pmappl 256 671 0 641 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 284 0 39 8 0 8 8 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(ffffffff8333a77c) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838b94c8) at mtx_enter_try+0x1da mtx_enter(ffffffff838b94c8) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd80085ed130) at uvm_pageclean+0x28e uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80085ed130) at uvm_pageclean+0x28e sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80085ed130) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806b63b8b0,2000,ffff800037c32fd8,ffff800037c32fbc,0,2,886c85fbd6cf4804,2) at uvn_get+0x686 sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800037c331f0,ffff800037c33228,ffff800037c33070,ffff800037c33058) at uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800037c331f0,ffff800037c33228,ffff800037c33170) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806b9c9200,200000002000,0,2) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800037c33380,200000002d00) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800037c33380) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7e1323095be0, 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(ffffffff839b7968) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839b7968) at __mp_lock+0x192 sys/kern/kern_lock.c:165 uvm_fault(fffffd806b7d97c0,ea6723b000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:700 upageflttrap(ffff80002f8019c0,ea6723b000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80002f8019c0) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7141ea960ca0, count: 7 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(ffffffff839b7968) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839b7968) at __mp_lock+0x192 sys/kern/kern_lock.c:165 uvm_fault(fffffd806b7d97c0,ea6723b000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:700 upageflttrap(ffff80002f8019c0,ea6723b000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80002f8019c0) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7141ea960ca0, count: -8