panic: mtx 0xffffffff83917148: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 26565 54658 32767 0x10 0 0 syz-executor 64864 14912 32767 0x10 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83332f45) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83917148) at mtx_enter_try+0x1da mtx_enter(ffffffff83917148) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd80086b04a0) at uvm_pageclean+0x28e uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80086b04a0) at uvm_pageclean+0x28e sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80086b04a0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806a10f8a0,0,ffff80003a447218,ffff80003a4471fc,0,2,2aec52b6ba4e30dd,2) at uvn_get+0x686 sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003a447430,ffff80003a447468,ffff80003a4472b0,ffff80003a447298) at uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003a447430,ffff80003a447468,ffff80003a4473b0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806bb2bb98,200000000000,0,2) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003a4475c0,200000000180) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003a4475c0) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7ec4931b5490, 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 0xffffffff83917148: locking against myself ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83332f45) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83917148) at mtx_enter_try+0x1da mtx_enter(ffffffff83917148) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd80086b04a0) at uvm_pageclean+0x28e uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80086b04a0) at uvm_pageclean+0x28e sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80086b04a0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806a10f8a0,0,ffff80003a447218,ffff80003a4471fc,0,2,2aec52b6ba4e30dd,2) at uvn_get+0x686 sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003a447430,ffff80003a447468,ffff80003a4472b0,ffff80003a447298) at uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003a447430,ffff80003a447468,ffff80003a4473b0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806bb2bb98,200000000000,0,2) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003a4475c0,200000000180) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003a4475c0) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7ec4931b5490, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003a446f50 rbx 0xffffffff8379bddf cpu_info_full_primary+0x2ddf rdx 0 rcx 0xffff80002a2d3ca8 rax 0xffffffff8379aff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xc20f2cdbead39af r11 0xc7ea843049dd8051 r12 0xffffffff8379bbe0 cpu_info_full_primary+0x2be0 r13 0 r14 0 r15 0x1 rip 0xffffffff8180d925 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003a446f40 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=26565 pid=54658 tcnt=4 stat=onproc flags process=10 proc=0 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a2d2fb0,0xffff80002a2d3258 process=0xffff80003a45e250 user=0xffff80003a442000, vmspace=0xfffffd806bb2bb98 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *54658 26565 28969 32767 7 0x10 syz-executor 54658 368703 28969 32767 3 0x4000090 fsleep syz-executor 54658 131282 28969 32767 3 0x4000010 getblk syz-executor 54658 382995 28969 32767 3 0x4000010 uobjlk syz-executor 65580 83857 68919 0 2 0x100000 sh 63213 437160 46494 0 2 0x100000 sh 45227 325660 80984 0 2 0x100000 sh 51278 3065 39852 32767 2 0x10 syz-executor 51278 286866 39852 32767 3 0x4000090 fsleep syz-executor 68919 441311 16046 0 3 0x10008a sigsusp sh 46494 362000 90607 0 3 0x10008a sigsusp sh 14912 64864 37328 32767 7 0x10 syz-executor 14912 299831 37328 32767 3 0x4000090 ttyout syz-executor 80984 403886 46657 0 3 0x10008a sigsusp sh 17261 338004 46881 0 2 0x2 sh 90607 55979 41087 0 3 0x80 wait syz-executor 37328 298095 98749 32767 3 0x90 nanoslp syz-executor 28969 520453 91512 32767 3 0x90 nanoslp syz-executor 46657 158690 67790 0 3 0x80 wait syz-executor 39852 266845 60780 32767 3 0x90 nanoslp syz-executor 93691 212395 65837 32767 3 0x10 biowait syz-executor 16046 137420 82174 0 3 0x80 wait syz-executor 46881 131175 31643 0 3 0x80 wait syz-executor 82174 328064 52506 0 3 0x82 wait syz-executor 31643 38370 52506 0 3 0x82 wait syz-executor 91512 14366 52506 0 3 0x82 wait syz-executor 41087 218051 52506 0 3 0x82 wait syz-executor 67790 180284 52506 0 3 0x82 wait syz-executor 60780 228410 52506 0 3 0x82 wait syz-executor 98749 400515 52506 0 3 0x82 wait syz-executor 65837 166532 52506 0 3 0x82 wait syz-executor 52506 402831 84133 0 3 0x82 kqread syz-executor 84133 341101 94865 0 3 0x10008a sigsusp ksh 94865 168744 80237 0 3 0x98 kqread sshd-session 80237 66860 26843 0 3 0x92 kqread sshd-session 63018 179249 1 0 3 0x100083 ttyin getty 26843 221340 1 0 3 0x88 kqread sshd 28492 335070 90526 73 3 0x1100090 kqread syslogd 90526 104628 1 0 3 0x100082 sbwait syslogd 87788 347039 1 0 3 0x100080 kqread resolvd 10022 227299 54623 77 3 0x100092 kqread dhcpleased 22850 246249 54623 77 3 0x100092 kqread dhcpleased 54623 150991 1 0 3 0x80 kqread dhcpleased 81808 28104 0 0 3 0x14200 bored smr 13940 486399 0 0 2 0x14200 zerothread 90423 23621 0 0 3 0x14200 aiodoned aiodoned 21134 53488 0 0 3 0x14200 syncer update 82022 358224 0 0 3 0x14200 cleaner cleaner 60089 65673 0 0 3 0x14200 reaper reaper 57820 402171 0 0 3 0x14200 pgdaemon pagedaemon 90816 80082 0 0 3 0x14200 bored viomb 8065 391311 0 0 3 0x40014200 acpi0 acpi0 27400 358078 0 0 3 0x40014200 idle1 99539 330485 0 0 3 0x14200 bored softnet7 91172 360615 0 0 3 0x14200 bored softnet6 4460 418072 0 0 3 0x14200 bored softnet5 51789 461951 0 0 3 0x14200 bored softnet4 93504 380784 0 0 3 0x14200 bored softnet3 13399 94431 0 0 3 0x14200 bored softnet2 65557 206920 0 0 3 0x14200 bored softnet1 24129 305497 0 0 3 0x14200 bored softnet0 84615 137564 0 0 3 0x14200 smrbar systqmp 2126 40337 0 0 3 0x14200 bored systq 38518 37770 0 0 3 0x14200 tmoslp softclockmp 26250 353697 0 0 3 0x40014200 tmoslp softclock 56541 434723 0 0 3 0x40014200 idle0 1 150198 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 (0xffffffff83917158) #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 54658 (syz-executor) thread 0xffff80002a2d3ca8 (26565) exclusive rwlock uobjlk r = 0 (0xfffffd806a184458) #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 (0xffffffff83917158) #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 54658 (syz-executor) thread 0xffff80002a382a88 (131282) exclusive rrwlock inode r = 0 (0xfffffd806ba8d450) #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:2912 #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 54658 (syz-executor) thread 0xffff80002a382d20 (382995) shared rwlock vmmaplk r = 0 (0xfffffd806bb2bc98) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1924 #3 uvm_fault_check+0x4a sys/uvm/uvm_fault.c:741 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:677 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 #7 recall_trap+0x8 Process 93691 (syz-executor) thread 0xffff8000ffff27d8 (212395) exclusive rrwlock inode r = 0 (0xfffffd806ba8d578) #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:3109 #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 (0xfffffd806d01cd80) #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:3094 #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 Process 84615 (systqmp) thread 0xffff8000ffffe298 (137564) shared rwlock systqmp r = 0 (0xffffffff8381d4e8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10188 10955K 10968K 166960K 11266 0 pcb 17 12K 12K 166960K 17 0 rtable 169 4K 4K 166960K 221 0 pf 31 16K 16K 166960K 31 0 ifaddr 36 6K 6K 166960K 38 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 1 1K 9K 166960K 5 0 counters 68 36K 36K 166960K 68 0 ioctlops 0 0K 2K 166960K 26 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1334 84K 84K 166960K 1350 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 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 28 105K 121K 166960K 138 0 sigio 0 0K 0K 166960K 3 0 proc 58 99K 147K 166960K 452 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 3 0 in_multi 69 5K 5K 166960K 69 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 37 175K 175K 166960K 37 0 exec 0 0K 1K 166960K 332 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 226 163K 168K 166960K 2797 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 49 98K 110K 166960K 1131 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 21 1K 1K 166960K 21 0 temp 34 8634K 8698K 166960K 3605 0 kqueue 13 20K 20K 166960K 21 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 31 0 28 1 0 1 1 0 8 0 rtentry 176 77 0 1 4 0 4 4 0 8 0 unpcb 144 32 0 17 1 0 1 1 0 8 0 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 736 14 0 10 1 0 1 1 0 8 0 arp 128 10 0 0 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 1 0 0 1 0 1 1 0 8 0 inpcb 328 63 0 56 1 0 1 1 0 8 0 nd6 144 10 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 256 319 0 0 20 0 20 20 0 8 0 art_table 40 320 0 0 4 0 4 4 0 8 0 art_node 32 77 0 4 1 0 1 1 0 8 0 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1546 0 46 94 0 94 94 0 8 0 ffsino 296 1546 0 46 116 0 116 116 0 8 0 nchpl 144 1731 0 59 62 0 62 62 0 8 0 uvmvnodes 80 1627 0 0 34 0 34 34 0 8 0 vnodes 216 1627 0 0 91 0 91 91 0 8 0 namei 1024 4977 0 4976 2 0 2 2 0 8 1 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 6275 0 6273 3 1 2 2 1 8 1 plimitpl 152 35 0 10 1 0 1 1 0 8 0 sigapl 424 421 0 359 8 0 8 8 0 8 0 knotepl 120 55 0 0 2 0 2 2 0 8 0 kqueuepl 224 18 0 9 1 0 1 1 0 8 0 pipepl 344 102 0 75 3 0 3 3 0 8 0 fdescpl 528 399 0 359 3 0 3 3 0 8 0 filepl 160 1280 0 1073 9 0 9 9 0 8 0 lockfpl 104 7 0 4 1 0 1 1 0 8 0 lockfspl 48 5 0 2 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 82 0 67 1 0 1 1 0 8 0 zombiepl 144 359 0 359 1 0 1 1 0 8 1 processpl 1248 421 0 359 7 1 6 6 0 8 0 procpl 664 438 0 371 6 0 6 6 0 8 0 sockpl 752 126 0 101 3 0 3 3 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 129 0 0 17 0 17 17 0 8 0 mcl2k 2048 10 0 0 2 0 2 2 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 136 0 0 9 0 9 9 0 8 0 bufpl 280 2796 0 116 192 0 192 192 0 8 0 anonpl 32 3691 0 0 30 0 30 30 0 246 0 amapchunkpl 152 8070 0 7488 27 4 23 23 0 158 0 amappl16 200 1711 0 1700 5 0 5 5 0 8 4 amappl15 192 8 0 8 1 0 1 1 0 8 1 amappl14 184 95 0 85 1 0 1 1 0 8 0 amappl13 176 3 0 3 1 0 1 1 0 8 1 amappl12 168 984 0 944 2 0 2 2 0 8 0 amappl11 160 46 0 36 1 0 1 1 0 8 0 amappl10 152 8 0 8 1 0 1 1 0 8 1 amappl9 144 243 0 243 1 0 1 1 0 8 1 amappl8 136 27 0 26 1 0 1 1 0 8 0 amappl7 128 99 0 89 1 0 1 1 0 8 0 amappl6 120 161 0 154 1 0 1 1 0 8 0 amappl5 112 128 0 121 1 0 1 1 0 8 0 amappl4 104 265 0 248 1 0 1 1 0 8 0 amappl3 96 1164 0 1064 3 0 3 3 0 8 0 amappl2 88 587 0 531 2 0 2 2 0 8 0 amappl1 80 7706 0 7130 13 0 13 13 0 8 0 amappl 88 2199 0 2040 4 0 4 4 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 399 0 359 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 399 0 359 1 0 1 1 0 8 0 vmmpekpl 168 4691 0 4661 2 0 2 2 0 8 0 vmmpepl 168 31604 0 29579 92 0 92 92 0 357 2 vmsppl 488 398 0 359 7 1 6 6 0 8 0 rwobjpl 80 13090 0 10630 52 0 52 52 0 8 0 pdppl 4096 806 0 718 110 14 96 96 0 8 8 pvpl 32 8714 0 0 71 0 71 71 0 265 0 pmappl 256 398 0 359 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 268 0 17 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(ffffffff83332f45) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83917148) at mtx_enter_try+0x1da mtx_enter(ffffffff83917148) at mtx_enter+0x62 sys/kern/kern_lock.c:261 uvm_pageclean(fffffd80086b04a0) at uvm_pageclean+0x28e uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80086b04a0) at uvm_pageclean+0x28e sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80086b04a0) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd806a10f8a0,0,ffff80003a447218,ffff80003a4471fc,0,2,2aec52b6ba4e30dd,2) at uvn_get+0x686 sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003a447430,ffff80003a447468,ffff80003a4472b0,ffff80003a447298) at uvm_fault_lower_io+0x2cd sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003a447430,ffff80003a447468,ffff80003a4473b0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806bb2bb98,200000000000,0,2) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003a4475c0,200000000180) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003a4475c0) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7ec4931b5490, count: -13 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299fdff0) 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 end of kernel end trace frame: 0x71c0a3c94460, count: 12 ddb{1}> trace x86_ipi_db(ffff8000299fdff0) 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 end of kernel end trace frame: 0x71c0a3c94460, count: -3