panic: mtx 0xffffffff839caa48: locking against myself Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *494151 59050 32767 0x10 0 0 syz-executor 26232 1930 32767 0x10 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e06fa) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839caa48) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff839caa48) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008472d00) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008472d00) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008472d00) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805ef94d38,0,ffff80003a427868,ffff80003a427844,0,2,3cd722e73f0f63f7,ffff80003a427ac0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003a427a88,ffff80003a427ac0,ffff80003a4278f0,ffff80003a4278f8) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80003a427a88,ffff80003a427ac0,ffff80003a427a00) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806bdfbd50,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003a427c10,200000000140) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003a427c10) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x753c4013b920, 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 0xffffffff839caa48: locking against myself ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e06fa) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839caa48) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff839caa48) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008472d00) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008472d00) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008472d00) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805ef94d38,0,ffff80003a427868,ffff80003a427844,0,2,3cd722e73f0f63f7,ffff80003a427ac0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003a427a88,ffff80003a427ac0,ffff80003a4278f0,ffff80003a4278f8) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80003a427a88,ffff80003a427ac0,ffff80003a427a00) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806bdfbd50,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003a427c10,200000000140) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003a427c10) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x753c4013b920, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003a4275b0 rbx 0xffffffff837f7dcf cpu_info_full_primary+0x2dcf rdx 0 rcx 0xffff80002a2c47d0 rax 0xffffffff837f6ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe891d81e4855898a r11 0xb0a4101be55781fa r12 0xffffffff837f7bd0 cpu_info_full_primary+0x2bd0 r13 0 r14 0 r15 0x1 rip 0xffffffff82007005 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003a4275a0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=494151 pid=59050 tcnt=4 stat=onproc flags process=10 proc=0 runpri=50, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a2c4cf0,0xffff80002a2c4a70 process=0xffff80003a428020 user=0xffff80003a422000, vmspace=0xfffffd806bdfbd50 estcpu=36, cpticks=2, pctcpu=0.0, user=1, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *59050 494151 47047 32767 7 0x10 syz-executor 59050 97984 47047 32767 3 0x4000010 biowait syz-executor 59050 396345 47047 32767 3 0x4000010 uobjlk syz-executor 59050 59345 47047 32767 3 0x4000090 fsleep syz-executor 1930 26232 53560 32767 7 0x10 syz-executor 1930 517302 53560 32767 3 0x4000090 kqread syz-executor 1930 255219 53560 32767 2 0x4000010 syz-executor 56454 199092 0 0 3 0x14200 bored sosplice 90244 363889 7275 32767 3 0x90 nanoslp syz-executor 90244 467429 7275 32767 3 0x4000090 kqread syz-executor 90244 240761 7275 32767 3 0x4000090 fsleep syz-executor 7275 227387 91578 32767 3 0x90 nanoslp syz-executor 83670 65357 74299 32767 3 0x10 biowait syz-executor 5158 448910 82480 32767 3 0x10 biowait syz-executor 53560 383587 18329 32767 3 0x90 nanoslp syz-executor 91745 220259 78659 32767 3 0x90 nanoslp syz-executor 47047 471922 90207 32767 3 0x90 nanoslp syz-executor 37747 261239 93973 32767 3 0x90 nanoslp syz-executor 10386 249314 6278 32767 3 0x90 wait syz-executor 78659 194726 95751 0 3 0x82 wait syz-executor 93973 511842 95751 0 3 0x82 wait syz-executor 90207 64726 95751 0 3 0x82 wait syz-executor 6278 498255 95751 0 3 0x82 wait syz-executor 18329 245109 95751 0 3 0x82 wait syz-executor 82480 164000 95751 0 3 0x82 wait syz-executor 74299 21484 95751 0 3 0x82 wait syz-executor 91578 232387 95751 0 3 0x82 wait syz-executor 95751 503028 46770 0 3 0x82 kqread syz-executor 46770 118942 35543 0 3 0x10008a sigsusp ksh 35543 173114 92779 0 3 0x98 kqread sshd-session 92779 328090 97492 0 3 0x92 kqread sshd-session 21351 354906 1 0 3 0x100083 ttyin getty 97492 104178 1 0 3 0x88 kqread sshd 67602 241857 43559 73 3 0x1100090 kqread syslogd 43559 208710 1 0 3 0x100082 sbwait syslogd 38448 505241 1 0 3 0x100080 kqread resolvd 62919 415109 46754 77 3 0x100092 kqread dhcpleased 47356 428299 46754 77 3 0x100092 kqread dhcpleased 46754 229135 1 0 3 0x80 kqread dhcpleased 31595 319933 0 0 3 0x14200 bored smr 53109 150207 0 0 2 0x14200 zerothread 42196 46444 0 0 3 0x14200 aiodoned aiodoned 33148 414459 0 0 3 0x14200 syncer update 17677 66159 0 0 3 0x14200 cleaner cleaner 22396 394855 0 0 3 0x14200 reaper reaper 11927 411595 0 0 3 0x14200 pgdaemon pagedaemon 41323 486658 0 0 3 0x14200 bored viomb 72574 124729 0 0 3 0x40014200 acpi0 acpi0 9739 467558 0 0 3 0x40014200 idle1 38570 346115 0 0 3 0x14200 bored softnet3 18061 500779 0 0 3 0x14200 bored softnet2 10545 57475 0 0 3 0x14200 bored softnet1 14629 42955 0 0 3 0x14200 bored softnet0 15620 429613 0 0 3 0x14200 bored systqmp 30323 239313 0 0 3 0x14200 bored systq 35550 173100 0 0 3 0x14200 tmoslp softclockmp 34661 110369 0 0 3 0x40014200 tmoslp softclock 61614 222219 0 0 3 0x40014200 idle0 1 254178 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 (0xffffffff839caa58) #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 59050 (syz-executor) thread 0xffff80002a2c47d0 (494151) exclusive rwlock uobjlk r = 0 (0xfffffd80662dc388) #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 (0xffffffff839caa58) #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 59050 (syz-executor) thread 0xffff80002a2c4a60 (97984) exclusive rrwlock inode r = 0 (0xfffffd806bd24ac0) #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 59050 (syz-executor) thread 0xffff80002a2c4020 (396345) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83961a60) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #1 syscall+0xae6 sys/arch/amd64/amd64/trap.c:577 #2 Xsyscall+0x128 Process 83670 (syz-executor) thread 0xffff80002a2c42b0 (65357) exclusive rrwlock inode r = 0 (0xfffffd806bd24520) #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 vget+0x2bd sys/kern/vfs_subr.c:694 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1866 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c34b790) #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1866 #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 Process 5158 (syz-executor) thread 0xffff80002a2827c8 (448910) exclusive rrwlock inode r = 0 (0xfffffd806bd24d00) #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 (0xfffffd806c34b0d0) #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 10186 10954K 10965K 166960K 11263 0 pcb 17 12K 12K 166960K 17 0 rtable 236 6K 6K 166960K 360 0 pf 31 16K 16K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 3 1K 1K 166960K 3 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 31 0 iov 0 0K 8K 166960K 8 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1335 84K 84K 166960K 1404 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 12 1K 1K 166960K 18 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 24 89K 121K 166960K 339 0 sigio 0 0K 0K 166960K 5 0 proc 58 79K 115K 166960K 485 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 30 0 in_multi 99 7K 7K 166960K 109 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 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 377 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 255 176K 204K 166960K 4793 0 UVM aobj 10 2K 2K 166960K 10 0 pinsyscall 45 90K 110K 166960K 1404 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 15 0 NDP 11 0K 2K 166960K 27 0 temp 43 8683K 8748K 166960K 4658 0 kqueue 14 22K 30K 166960K 62 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 120 119 0 116 3 0 3 3 0 8 2 rtentry 176 112 0 1 6 0 6 6 0 8 0 unpcb 144 244 0 229 2 0 2 2 0 8 1 syncache 336 11 0 11 1 0 1 1 0 8 1 tcpqe 32 5 0 5 1 0 1 1 0 8 1 tcpcb 808 96 0 87 2 0 2 2 0 8 0 arp 128 19 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 384 271 0 257 5 0 5 5 0 8 2 nd6 144 24 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 256 454 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 3 0 3 1 0 1 1 0 8 1 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 16 0 6 1 0 1 1 0 8 0 shmpl 112 7 0 0 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 1877 0 373 95 0 95 95 0 8 0 ffsino 288 1877 0 373 109 0 109 109 0 8 0 nchpl 144 2342 0 669 63 0 63 63 0 8 0 uvmvnodes 80 1958 0 0 40 0 40 40 0 8 0 vnodes 216 1958 0 0 109 0 109 109 0 8 0 namei 1024 7318 0 7317 1 0 1 1 0 8 0 percpumem 16 47 0 0 1 0 1 1 0 8 0 kstatmem 264 22 0 0 2 0 2 2 0 8 0 scxspl 216 7585 0 7581 3 2 1 2 1 8 0 plimitpl 152 122 0 97 2 0 2 2 0 8 1 sigapl 424 628 0 573 7 0 7 7 0 8 0 futexpl 64 2923 0 2921 1 0 1 1 0 8 0 knotepl 120 264 0 0 8 0 8 8 0 8 0 kqueuepl 224 145 0 134 2 0 2 2 0 8 1 pipepl 336 120 0 92 3 0 3 3 0 8 0 fdescpl 520 609 0 573 3 0 3 3 0 8 0 filepl 160 2793 0 2576 13 0 13 13 0 8 2 lockfpl 104 55 0 52 1 0 1 1 0 8 0 lockfspl 48 19 0 16 1 0 1 1 0 8 0 sessionpl 144 29 0 13 1 0 1 1 0 8 0 pgrppl 48 39 0 15 1 0 1 1 0 8 0 ucredpl 104 423 0 404 1 0 1 1 0 8 0 zombiepl 144 576 0 573 1 0 1 1 0 8 0 processpl 1192 628 0 573 5 0 5 5 0 8 0 procpl 656 987 0 925 7 0 7 7 0 8 0 sosppl 168 2 0 2 1 0 1 1 0 8 1 sockpl 728 636 0 605 9 0 9 9 0 8 5 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 123 0 0 16 0 16 16 0 8 0 mcl2k 2048 19 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 379 0 0 24 0 24 24 0 8 0 bufpl 280 2674 0 117 183 0 183 183 0 8 0 anonpl 32 9440 0 0 77 0 77 77 0 246 0 amapchunkpl 152 15162 0 14609 39 0 39 39 0 158 13 amappl16 200 2686 0 2664 28 2 26 26 0 8 22 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 119 0 109 1 0 1 1 0 8 0 amappl13 176 4 0 4 1 1 0 1 0 8 0 amappl12 168 1266 0 1230 2 0 2 2 0 8 0 amappl11 160 48 0 38 1 0 1 1 0 8 0 amappl10 152 20 0 20 1 1 0 1 0 8 0 amappl9 144 249 0 249 1 1 0 1 0 8 0 amappl8 136 22 0 21 1 0 1 1 0 8 0 amappl7 128 126 0 116 1 0 1 1 0 8 0 amappl6 120 178 0 175 1 0 1 1 0 8 0 amappl5 112 137 0 130 1 0 1 1 0 8 0 amappl4 104 323 0 306 1 0 1 1 0 8 0 amappl3 96 2567 0 2438 4 0 4 4 0 8 0 amappl2 88 672 0 617 2 0 2 2 0 8 0 amappl1 80 10467 0 9892 15 0 15 15 0 8 1 amappl 88 4070 0 3881 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 0 1 0 1 1 0 8 0 uaddrrnd 24 609 0 573 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 609 0 573 1 0 1 1 0 8 0 vmmpekpl 168 7202 0 7167 2 0 2 2 0 8 0 vmmpepl 168 47542 0 45466 114 0 114 114 0 357 15 vmsppl 480 608 0 573 7 1 6 6 0 8 0 rwobjpl 72 18443 0 15625 59 0 59 59 0 8 4 pdppl 4096 1226 0 1146 118 32 86 96 0 8 6 pvpl 32 18778 0 0 153 1 152 152 0 265 0 pmappl 256 608 0 573 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 414 0 35 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(ffffffff833e06fa) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff839caa48) at mtx_enter_try+0x1bf sys/kern/kern_lock.c:271 mtx_enter(ffffffff839caa48) at mtx_enter+0x60 sys/kern/kern_lock.c:239 uvm_pageclean(fffffd8008472d00) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd8008472d00) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd8008472d00) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd805ef94d38,0,ffff80003a427868,ffff80003a427844,0,2,3cd722e73f0f63f7,ffff80003a427ac0) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003a427a88,ffff80003a427ac0,ffff80003a4278f0,ffff80003a4278f8) at uvm_fault_lower_io+0x319 sys/uvm/uvm_fault.c:1588 uvm_fault_lower(ffff80003a427a88,ffff80003a427ac0,ffff80003a427a00) at uvm_fault_lower+0x278 sys/uvm/uvm_fault.c:1362 uvm_fault(fffffd806bdfbd50,200000000000,0,2) at uvm_fault+0x272 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003a427c10,200000000140) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003a427c10) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x753c4013b920, 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 end of kernel end trace frame: 0x7e59b76646a0, count: 12 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 end of kernel end trace frame: 0x7e59b76646a0, count: -3