panic: mtx 0xffffffff838d7738: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *408693 80998 0 0 0 1 syz-executor 511925 58217 0 0 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e30d2) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838d7738) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff838d7738) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd80083ea8a8) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80083ea8a8) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80083ea8a8) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd80605229a0,0,ffff8000394149a8,ffff80003941498c,0,2,72b2dc2f70a8f944,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800039414bc0,ffff800039414bf8,ffff800039414a40,ffff800039414a28) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800039414bc0,ffff800039414bf8,ffff800039414b40) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd8009eda3c0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800039414d50,200000000140) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800039414d50) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7af2e8191e40, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: mtx 0xffffffff838d7738: locking against myself ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e30d2) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838d7738) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff838d7738) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd80083ea8a8) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80083ea8a8) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80083ea8a8) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd80605229a0,0,ffff8000394149a8,ffff80003941498c,0,2,72b2dc2f70a8f944,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800039414bc0,ffff800039414bf8,ffff800039414a40,ffff800039414a28) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800039414bc0,ffff800039414bf8,ffff800039414b40) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd8009eda3c0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800039414d50,200000000140) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800039414d50) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7af2e8191e40, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000394146f0 rbx 0xffff8000299dedcf rdx 0 rcx 0xffff8000ffff0008 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x4cccb23a93d71870 r11 0xdf1498a53fb78773 r12 0xffff8000299debd0 r13 0 r14 0 r15 0x1 rip 0xffffffff81e89185 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000394146e0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=408693 pid=80998 tcnt=3 stat=onproc flags process=0 proc=0 runpri=86, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff0558,0xffff8000ffff1d50 process=0xffff8000ffff7918 user=0xffff80003940f000, vmspace=0xfffffd8009eda3c0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND *80998 408693 25438 0 7 0 syz-executor 80998 101475 25438 0 3 0x4000000 biowait syz-executor 80998 319705 25438 0 3 0x4000080 fsleep syz-executor 58217 511925 64034 0 7 0 syz-executor 58217 269509 64034 0 3 0x4000080 tunread syz-executor 58217 322260 64034 0 3 0x4000000 inode syz-executor 41916 41715 79918 0 3 0x80 nanoslp syz-executor 41916 405874 79918 0 3 0x4000080 ttyin syz-executor 41916 372805 79918 0 3 0x4000080 fsleep syz-executor 37018 386236 4022 0 3 0x80 nanoslp syz-executor 37018 151783 4022 0 3 0x4000080 kqsel syz-executor 37018 89041 4022 0 3 0x4000080 fsleep syz-executor 37018 69372 4022 0 3 0x4000080 fsleep syz-executor 99089 454164 67355 0 3 0x80 nanoslp syz-executor 99089 361464 67355 0 3 0x4000080 kqsel syz-executor 99089 147307 67355 0 3 0x4000080 fsleep syz-executor 67355 168841 8817 0 3 0x82 nanoslp syz-executor 4022 404532 8817 0 3 0x82 nanoslp syz-executor 79918 7529 8817 0 3 0x82 nanoslp syz-executor 89183 348307 8817 0 3 0x2 biowait syz-executor 7828 145042 8817 0 3 0x82 nanoslp syz-executor 25438 366015 8817 0 3 0x82 nanoslp syz-executor 85345 310005 8817 0 3 0x82 nanoslp syz-executor 64034 409933 8817 0 3 0x82 nanoslp syz-executor 8817 469328 11086 0 3 0x82 kqread syz-executor 11086 463388 78767 0 3 0x10008a sigsusp ksh 78767 68146 63373 0 3 0x98 kqread sshd-session 63373 44754 69734 0 3 0x92 kqread sshd-session 86524 478767 1 0 3 0x100083 ttyin getty 69734 235681 1 0 3 0x88 kqread sshd 11424 361272 19016 74 3 0x1100092 bpf pflogd 19016 499057 1 0 3 0x80 sbwait pflogd 41841 495755 55699 73 3 0x1100090 kqread syslogd 55699 470527 1 0 3 0x100082 sbwait syslogd 61847 58068 1 0 3 0x100080 kqread resolvd 59658 219460 24129 77 3 0x100092 kqread dhcpleased 71189 338072 24129 77 3 0x100092 kqread dhcpleased 24129 472122 1 0 3 0x80 kqread dhcpleased 40882 142241 0 0 3 0x14200 bored smr 13669 283389 0 0 3 0x14200 pgzero zerothread 4399 242233 0 0 3 0x14200 aiodoned aiodoned 61054 490295 0 0 3 0x14200 syncer update 3179 421006 0 0 3 0x14200 cleaner cleaner 81152 386977 0 0 3 0x14200 reaper reaper 23502 335632 0 0 3 0x14200 pgdaemon pagedaemon 8263 16306 0 0 3 0x14200 bored viomb 30475 88035 0 0 3 0x40014200 acpi0 acpi0 9752 371360 0 0 3 0x40014200 idle1 11067 503047 0 0 3 0x14200 bored softnet3 22377 69390 0 0 3 0x14200 bored softnet2 84021 321600 0 0 3 0x14200 bored softnet1 56006 57145 0 0 3 0x14200 bored softnet0 9393 263824 0 0 3 0x14200 bored systqmp 16548 327829 0 0 3 0x14200 bored systq 19028 21707 0 0 3 0x14200 tmoslp softclockmp 61964 29058 0 0 3 0x40014200 tmoslp softclock 58254 51350 0 0 3 0x40014200 idle0 1 5527 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff838d7748) #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 80998 (syz-executor) thread 0xffff8000ffff0008 (408693) exclusive rwlock uobjlk r = 0 (0xfffffd806beb6018) #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 (0xffffffff838d7748) #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 80998 (syz-executor) thread 0xffff8000ffff1d40 (101475) exclusive rrwlock inode r = 0 (0xfffffd806ddd2658) #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 80998 (syz-executor) thread 0xffff80002a279d58 (319705) exclusive rwlock futexpl r = 0 (0xffffffff838d4e38) #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 (0xffffffff837cc3c8) #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 58217 (syz-executor) thread 0xffff8000ffff1548 (269509) exclusive rrwlock inode r = 0 (0xfffffd8064e23520) #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 spec_open+0x305 sys/kern/spec_vnops.c:151 #6 VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 #7 vn_open+0x708 sys/kern/vfs_vnops.c:177 #8 vndioctl+0xcb1 sys/dev/vnd.c:457 #9 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #10 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #11 sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 #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 Process 58217 (syz-executor) thread 0xffff8000ffff0558 (322260) exclusive rrwlock inode r = 0 (0xfffffd8064e23640) #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 vn_open+0x13f sys/kern/vfs_vnops.c:140 #8 doopenat+0x32e sys/kern/vfs_syscalls.c:1137 #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 89183 (syz-executor) thread 0xffff80002a278d68 (348307) exclusive rrwlock inode r = 0 (0xfffffd806ddd2418) #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 (0xfffffd806cf41558) #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10200 11025K 11302K 166960K 11351 0 pcb 19 12K 12K 166960K 24 0 rtable 239 7K 7K 166960K 361 0 pf 37 18K 19K 166960K 52 0 ifaddr 44 7K 7K 166960K 47 0 ifgroup 59 2K 2K 166960K 61 0 sysctl 1 1K 1K 166960K 1 0 counters 66 36K 36K 166960K 68 0 ioctlops 0 0K 4K 166960K 1494 0 iov 0 0K 12K 166960K 4 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1342 84K 85K 166960K 1401 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 4 9K 9K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 3 0K 0K 166960K 3 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 183 0 proc 72 91K 152K 166960K 537 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 2 0K 0K 166960K 9 0 in_multi 99 7K 7K 166960K 99 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 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 384 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 243 167K 179K 166960K 3425 0 UVM aobj 8 2K 2K 166960K 8 0 pinsyscall 42 84K 104K 166960K 1301 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 2 0 NDP 20 1K 2K 166960K 30 0 temp 40 8679K 8746K 166960K 4921 0 kqueue 14 22K 24K 166960K 30 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 176 112 0 1 6 0 6 6 0 8 0 unpcb 144 62 0 45 1 0 1 1 0 8 0 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 808 20 0 15 2 0 2 2 0 8 1 arp 128 19 0 0 1 0 1 1 0 8 0 inpcb 384 102 0 89 3 0 3 3 0 8 1 nd6 144 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 1 0 1 1 0 1 1 0 8 1 pffrent 40 1 0 1 1 0 1 1 0 8 1 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 1 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 20 0 0 1 0 1 1 0 8 0 pfstkey 128 20 0 0 1 0 1 1 0 8 0 pfstate 384 20 0 0 2 0 2 2 0 8 0 pfrule 1344 23 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 454 0 0 29 0 29 29 0 8 0 art_table 32 455 0 0 4 0 4 4 0 8 0 art_node 16 111 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1 semapl 112 1 0 0 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 1646 0 133 95 0 95 95 0 8 0 ffsino 288 1646 0 133 109 0 109 109 0 8 0 nchpl 144 1909 0 217 63 0 63 63 0 8 0 uvmvnodes 80 1758 0 0 36 0 36 36 0 8 0 vnodes 216 1758 0 0 98 0 98 98 0 8 0 namei 1024 6126 0 6124 1 0 1 1 0 8 0 percpumem 16 49 0 1 1 0 1 1 0 8 0 kstatmem 264 28 0 2 2 0 2 2 0 8 0 scxspl 216 6060 0 6058 3 1 2 2 1 8 1 plimitpl 152 36 0 17 1 0 1 1 0 8 0 sigapl 424 493 0 444 8 1 7 7 0 8 1 futexpl 64 904 0 899 1 0 1 1 0 8 0 knotepl 120 298 0 0 10 0 10 10 0 8 0 kqueuepl 224 36 0 24 1 0 1 1 0 8 0 pipepl 336 109 0 81 3 0 3 3 0 8 0 fdescpl 520 475 0 444 3 0 3 3 0 8 0 filepl 160 1932 0 1694 11 0 11 11 0 8 1 lockfpl 104 17 0 14 1 0 1 1 0 8 0 lockfspl 48 8 0 5 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 30 0 13 1 0 1 1 0 8 0 ucredpl 104 176 0 162 1 0 1 1 0 8 0 zombiepl 144 446 0 444 1 0 1 1 0 8 0 processpl 1216 493 0 444 5 0 5 5 0 8 1 procpl 680 583 0 523 7 1 6 6 0 8 0 sockpl 728 207 0 175 4 0 4 4 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 115 0 0 15 0 15 15 0 8 0 mcl2k 2048 19 0 0 3 0 3 3 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 165 0 0 11 0 11 11 0 8 0 bufpl 280 2371 0 123 161 0 161 161 0 8 0 anonpl 32 3664 0 0 30 0 30 30 0 246 0 amapchunkpl 152 9372 0 8880 21 0 21 21 0 158 0 amappl16 200 1186 0 1162 4 0 4 4 0 8 2 amappl15 192 7 0 7 1 0 1 1 0 8 1 amappl14 184 109 0 97 1 0 1 1 0 8 0 amappl13 176 4 0 4 1 0 1 1 0 8 1 amappl12 168 1132 0 1101 4 1 3 3 0 8 0 amappl11 160 51 0 37 1 0 1 1 0 8 0 amappl10 152 17 0 16 1 0 1 1 0 8 0 amappl9 144 255 0 255 1 0 1 1 0 8 1 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 105 0 93 1 0 1 1 0 8 0 amappl6 120 174 0 170 1 0 1 1 0 8 0 amappl5 112 124 0 115 1 0 1 1 0 8 0 amappl4 104 344 0 325 1 0 1 1 0 8 0 amappl3 96 1590 0 1478 3 0 3 3 0 8 0 amappl2 88 640 0 579 2 0 2 2 0 8 0 amappl1 80 8499 0 7890 15 0 15 15 0 8 1 amappl 88 2716 0 2550 5 0 5 5 0 92 1 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 0 1 1 0 8 1 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 24 475 0 444 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 475 0 444 1 0 1 1 0 8 0 vmmpekpl 168 5624 0 5592 2 0 2 2 0 8 0 vmmpepl 168 36088 0 34109 89 0 89 89 0 357 0 vmsppl 480 474 0 444 5 0 5 5 0 8 1 rwobjpl 72 14001 0 11312 49 0 49 49 0 8 0 pdppl 4096 958 0 888 98 12 86 86 0 8 16 pvpl 32 10289 0 0 84 1 83 83 0 265 0 pmappl 256 474 0 444 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 386 0 15 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff838b1ff0) 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(ffffffff838dbec0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838dbec0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80003c43cb30,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x7b6c5203e210, count: 9 ddb{0}> trace x86_ipi_db(ffffffff838b1ff0) 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(ffffffff838dbec0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838dbec0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80003c43cb30,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x7b6c5203e210, count: -6 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e30d2) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838d7738) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff838d7738) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd80083ea8a8) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80083ea8a8) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80083ea8a8) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd80605229a0,0,ffff8000394149a8,ffff80003941498c,0,2,72b2dc2f70a8f944,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800039414bc0,ffff800039414bf8,ffff800039414a40,ffff800039414a28) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800039414bc0,ffff800039414bf8,ffff800039414b40) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd8009eda3c0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800039414d50,200000000140) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800039414d50) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7af2e8191e40, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e30d2) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff838d7738) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff838d7738) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd80083ea8a8) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd80083ea8a8) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd80083ea8a8) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd80605229a0,0,ffff8000394149a8,ffff80003941498c,0,2,72b2dc2f70a8f944,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff800039414bc0,ffff800039414bf8,ffff800039414a40,ffff800039414a28) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff800039414bc0,ffff800039414bf8,ffff800039414b40) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd8009eda3c0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff800039414d50,200000000140) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800039414d50) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7af2e8191e40, count: -13