panic: mtx 0xffffffff839888a8: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 471837 7209 32767 0x10 0 1 syz-executor *409282 13773 32767 0x10 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e4b6a) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839888a8) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff839888a8) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008712598) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008712598) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008712598) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd80718edaf0,1000,ffff80003c42c318,ffff80003c42c2fc,0,2,7e93686dded04810,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c42c530,ffff80003c42c568,ffff80003c42c3b0,ffff80003c42c398) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c42c530,ffff80003c42c568,ffff80003c42c4b0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806c0e35c8,200000001000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c42c6c0,200000001480) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c42c6c0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x729d4abb0f00, 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 0xffffffff839888a8: locking against myself ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e4b6a) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839888a8) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff839888a8) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008712598) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008712598) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008712598) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd80718edaf0,1000,ffff80003c42c318,ffff80003c42c2fc,0,2,7e93686dded04810,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c42c530,ffff80003c42c568,ffff80003c42c3b0,ffff80003c42c398) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c42c530,ffff80003c42c568,ffff80003c42c4b0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806c0e35c8,200000001000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c42c6c0,200000001480) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c42c6c0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x729d4abb0f00, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c42c060 rbx 0xffffffff83876dcf cpu_info_full_primary+0x2dcf rdx 0 rcx 0xffff800039bfb2c8 rax 0xffffffff83875ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x8ff996ff5bc670fb r11 0xe471bf63367dc994 r12 0xffffffff83876bd0 cpu_info_full_primary+0x2bd0 r13 0 r14 0 r15 0x1 rip 0xffffffff83102145 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c42c050 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=409282 pid=13773 tcnt=4 stat=onproc flags process=10 proc=0 runpri=59, usrpri=59, slppri=16, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800039bfc010,0xffff800039bfbad0 process=0xffff8000fffef920 user=0xffff80003c427000, vmspace=0xfffffd806c0e35c8 estcpu=9, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 94668 309059 7825 32767 2 0x10 syz-executor 94668 56819 7825 32767 3 0x4000090 fsleep syz-executor 94668 443038 7825 32767 2 0x4000010 syz-executor 86468 356126 14406 32767 2 0x10 syz-executor 86468 380400 14406 32767 3 0x4000090 fsleep syz-executor 86468 435541 14406 32767 2 0x4000010 syz-executor 7209 471837 3944 32767 7 0x10 syz-executor 7209 252096 3944 32767 3 0x4000010 biowait syz-executor *13773 409282 72508 32767 7 0x10 syz-executor 13773 52752 72508 32767 3 0x4000090 fsleep syz-executor 13773 138589 72508 32767 3 0x4000010 biowait syz-executor 13773 507794 72508 32767 3 0x4000090 fsleep syz-executor 81793 478634 24101 32767 2 0x10 syz-executor 18906 496205 23888 32767 2 0x10 syz-executor 18906 492605 23888 32767 3 0x4000090 fsleep syz-executor 20683 457924 0 0 3 0x14200 bored sosplice 24101 508532 47192 32767 3 0x90 nanoslp syz-executor 14406 335006 70555 32767 3 0x90 nanoslp syz-executor 72508 35892 88972 32767 3 0x90 nanoslp syz-executor 3944 376127 76598 32767 3 0x90 nanoslp syz-executor 7825 203338 2435 32767 3 0x90 nanoslp syz-executor 23888 123570 61149 32767 3 0x90 nanoslp syz-executor 4518 86371 11324 32767 3 0x10 biowait syz-executor 70555 357969 31584 0 3 0x82 wait syz-executor 76598 14111 31584 0 3 0x82 wait syz-executor 88972 222769 31584 0 3 0x82 wait syz-executor 47192 77067 31584 0 3 0x82 wait syz-executor 2435 243425 31584 0 3 0x82 wait syz-executor 11324 208121 31584 0 3 0x82 wait syz-executor 61149 186505 31584 0 3 0x82 wait syz-executor 31584 391705 12686 0 3 0x82 nanoslp syz-executor 12686 121207 37220 0 3 0x10008a sigsusp ksh 37220 273009 92720 0 3 0x98 kqread sshd-session 92720 446051 2399 0 3 0x92 kqread sshd-session 55276 263780 1 0 3 0x100083 ttyin getty 2399 392615 1 0 3 0x88 kqread sshd 95312 85449 58647 73 3 0x1100090 kqread syslogd 58647 80467 1 0 3 0x100082 sbwait syslogd 89271 423060 1 0 3 0x100080 kqread resolvd 60360 255430 16153 77 3 0x100092 kqread dhcpleased 68762 307825 16153 77 3 0x100092 kqread dhcpleased 16153 497523 1 0 3 0x80 kqread dhcpleased 85611 154156 0 0 3 0x14200 bored smr 18560 132 0 0 2 0x14200 zerothread 12410 303500 0 0 3 0x14200 aiodoned aiodoned 89531 341049 0 0 3 0x14200 syncer update 7594 138371 0 0 3 0x14200 cleaner cleaner 76919 10645 0 0 3 0x14200 reaper reaper 56158 482331 0 0 3 0x14200 pgdaemon pagedaemon 84114 489567 0 0 3 0x14200 bored viomb 86429 182960 0 0 3 0x40014200 acpi0 acpi0 64654 319423 0 0 3 0x40014200 idle1 394 224669 0 0 3 0x14200 bored softnet3 86028 21647 0 0 3 0x14200 bored softnet2 28321 364024 0 0 3 0x14200 bored softnet1 99803 99674 0 0 3 0x14200 bored softnet0 2341 340906 0 0 3 0x14200 bored systqmp 48602 184336 0 0 3 0x14200 bored systq 37130 183943 0 0 3 0x14200 tmoslp softclockmp 79842 63345 0 0 3 0x40014200 tmoslp softclock 55249 193463 0 0 3 0x40014200 idle0 1 230880 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 (0xffffffff839888b8) #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+0x2d1 sys/uvm/uvm_fault.c:1652 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 #6 uvm_fault+0x278 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 7209 (syz-executor) thread 0xffff80002a29b018 (252096) exclusive rrwlock inode r = 0 (0xfffffd806e11d1c8) #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: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:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1732 #8 ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147 #9 VOP_CREATE+0xff sys/kern/vfs_vops.c:103 #10 uipc_bind+0x418 sys/kern/uipc_usrreq.c:391 #11 sys_bind+0x28a sys/kern/uipc_syscalls.c:189 #12 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8069c02d40) #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:527 #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 uipc_bind+0x2f4 sys/kern/uipc_usrreq.c:369 #8 sys_bind+0x28a sys/kern/uipc_syscalls.c:189 #9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 Process 13773 (syz-executor) thread 0xffff800039bfb2c8 (409282) exclusive rwlock uobjlk r = 0 (0xfffffd806c18ff18) #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+0x2d1 sys/uvm/uvm_fault.c:1652 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 #6 uvm_fault+0x278 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 (0xffffffff839888b8) #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+0x2d1 sys/uvm/uvm_fault.c:1652 #5 uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 #6 uvm_fault+0x278 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 13773 (syz-executor) thread 0xffff8000ffff1d38 (138589) exclusive rrwlock inode r = 0 (0xfffffd8066214d00) #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:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 sys_ftruncate+0x1c4 sys/kern/vfs_syscalls.c:2912 #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 4518 (syz-executor) thread 0xffff80002a29b810 (86371) exclusive rrwlock inode r = 0 (0xfffffd8066214640) #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: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: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:3109 #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 (0xfffffd806c4f4430) #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:527 #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:3094 #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 10181 10951K 10965K 166960K 11261 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 1 1K 1K 166960K 2 0 counters 62 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 33 0 iov 0 0K 16K 166960K 43 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1334 84K 84K 166960K 1666 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 11 0K 0K 166960K 16 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 22 81K 121K 166960K 423 0 sigio 1 0K 0K 166960K 6 0 proc 58 79K 115K 166960K 502 0 subproc 63 3K 4K 166960K 243 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 54 0 in_multi 88 6K 7K 166960K 117 0 ether_multi 1 0K 0K 166960K 3 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 418 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 231 160K 189K 166960K 4984 0 UVM aobj 8 2K 2K 166960K 8 0 pinsyscall 43 86K 110K 166960K 1448 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 13 0 NDP 10 0K 2K 166960K 27 0 temp 40 8680K 8744K 166960K 4924 0 kqueue 13 20K 30K 166960K 54 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 51 0 48 1 0 1 1 0 8 0 rtentry 176 113 0 14 6 1 5 6 0 8 0 unpcb 144 176 0 160 1 0 1 1 0 8 0 syncache 336 8 0 8 1 1 0 1 0 8 0 tcpcb 808 186 0 182 7 6 1 7 0 8 0 arp 128 18 0 2 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 384 427 0 418 14 12 2 14 0 8 0 nd6 144 26 0 5 1 0 1 1 0 8 0 kcovpl 48 27 0 20 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 457 0 48 29 2 27 29 0 8 0 art_table 32 458 0 48 4 0 4 4 0 8 0 art_node 16 112 0 22 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 5 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 13 0 4 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 1994 0 469 96 0 96 96 0 8 0 ffsino 288 1994 0 469 109 0 109 109 0 8 0 nchpl 144 2476 0 782 63 0 63 63 0 8 0 uvmvnodes 80 2246 0 0 46 0 46 46 0 8 0 vnodes 216 2246 0 0 125 0 125 125 0 8 0 namei 1024 8294 0 8292 1 0 1 1 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 8557 0 8553 10 2 8 8 1 8 7 plimitpl 152 100 0 78 2 1 1 2 0 8 0 sigapl 424 664 0 611 7 0 7 7 0 8 0 futexpl 64 3159 0 3154 1 0 1 1 0 8 0 knotepl 120 171 0 0 6 0 6 6 0 8 0 kqueuepl 224 74 0 65 2 1 1 2 0 8 0 pipepl 336 172 0 144 3 0 3 3 0 8 0 fdescpl 520 645 0 611 3 0 3 3 0 8 0 filepl 160 3412 0 3214 16 4 12 14 0 8 3 lockfpl 104 61 0 58 1 0 1 1 0 8 0 lockfspl 48 25 0 22 1 0 1 1 0 8 0 sessionpl 144 44 0 29 1 0 1 1 0 8 0 pgrppl 48 76 0 53 1 0 1 1 0 8 0 ucredpl 104 786 0 768 1 0 1 1 0 8 0 zombiepl 144 611 0 611 1 0 1 1 0 8 1 processpl 1216 664 0 611 5 0 5 5 0 8 0 procpl 680 1042 0 980 6 0 6 6 0 8 0 sosppl 168 3 0 3 2 1 1 1 0 8 1 sockpl 728 656 0 628 15 11 4 15 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 105 0 0 14 0 14 14 0 8 0 mcl2k 2048 17 0 0 3 0 3 3 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 207 0 0 13 0 13 13 0 8 0 bufpl 280 3067 0 118 211 0 211 211 0 8 0 anonpl 32 7657 0 0 62 0 62 62 0 246 0 amapchunkpl 152 15301 0 14817 27 0 27 27 0 158 5 amappl16 200 2860 0 2837 14 9 5 14 0 8 0 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 108 0 98 1 0 1 1 0 8 0 amappl13 176 5 0 5 1 1 0 1 0 8 0 amappl12 168 1248 0 1214 2 0 2 2 0 8 0 amappl11 160 47 0 36 1 0 1 1 0 8 0 amappl10 152 5 0 5 1 1 0 1 0 8 0 amappl9 144 267 0 267 1 1 0 1 0 8 0 amappl8 136 84 0 82 1 0 1 1 0 8 0 amappl7 128 119 0 109 1 0 1 1 0 8 0 amappl6 120 176 0 173 1 0 1 1 0 8 0 amappl5 112 116 0 110 1 0 1 1 0 8 0 amappl4 104 351 0 333 1 0 1 1 0 8 0 amappl3 96 2686 0 2571 4 0 4 4 0 8 0 amappl2 88 648 0 594 2 0 2 2 0 8 0 amappl1 80 9680 0 9129 14 0 14 14 0 8 0 amappl 88 4274 0 4109 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 24 647 0 613 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 647 0 613 1 0 1 1 0 8 0 vmmpekpl 168 7342 0 7303 3 0 3 3 0 8 0 vmmpepl 168 48609 0 46645 103 7 96 103 0 357 6 vmsppl 480 646 0 613 7 2 5 6 0 8 0 rwobjpl 72 18392 0 15339 56 0 56 56 0 8 0 pdppl 4096 1301 0 1226 117 36 81 95 0 8 6 pvpl 32 14617 0 0 119 1 118 119 0 265 0 pmappl 256 646 0 613 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 412 0 48 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(ffffffff833e4b6a) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839888a8) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff839888a8) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008712598) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008712598) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008712598) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd80718edaf0,1000,ffff80003c42c318,ffff80003c42c2fc,0,2,7e93686dded04810,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c42c530,ffff80003c42c568,ffff80003c42c3b0,ffff80003c42c398) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c42c530,ffff80003c42c568,ffff80003c42c4b0) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806c0e35c8,200000001000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c42c6c0,200000001480) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c42c6c0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x729d4abb0f00, count: -13 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299ddff0) 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: 0x76a7d88039d0, count: 12 ddb{1}> trace x86_ipi_db(ffff8000299ddff0) 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: 0x76a7d88039d0, count: -3