uvm_fault(fffffd806c4bf3e0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c46d540,2000000000c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c46d540) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7d0f75e70ba0, 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 0xffffffff83998288: locking against myself ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833f0af0) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83998288) at mtx_enter_try+0x1da sys/kern/kern_lock.c:285 mtx_enter(ffffffff83998288) at mtx_enter+0x62 sys/kern/kern_lock.c:253 uvm_pageclean(fffffd800884a590) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd800884a590) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd800884a590) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8060870400,0,ffff80003c46d198,ffff80003c46d17c,0,2,b797704d308d0fdb,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c46d3b0,ffff80003c46d3e8,ffff80003c46d230,ffff80003c46d218) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c46d3b0,ffff80003c46d3e8,ffff80003c46d330) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806c4bf3e0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c46d540,2000000000c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c46d540) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7d0f75e70ba0, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c46ced0 rbx 0xffffffff83849dd7 cpu_info_full_primary+0x2dd7 rdx 0 rcx 0xffff80003c438f90 rax 0xffffffff83848ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x8f0f3d7c7a845cbe r11 0x30e200db39d0baa8 r12 0xffffffff83849bd8 cpu_info_full_primary+0x2bd8 r13 0 r14 0 r15 0x1 rip 0xffffffff830cd015 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c46cec0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=166010 pid=93151 tcnt=3 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=0xffff80003c438550,0xffff8000fffe9748 process=0xffff8000fffe4020 user=0xffff80003c468000, vmspace=0xfffffd806c4bf3e0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *93151 166010 58947 32767 7 0x10 syz-executor 93151 47376 58947 32767 3 0x4000090 fsleep syz-executor 93151 95633 58947 32767 3 0x4000010 getblk syz-executor 12498 266313 78322 32767 7 0x10 syz-executor 12498 120076 78322 32767 3 0x4000090 fsleep syz-executor 47091 139312 0 0 3 0x14200 bored sosplice 45705 200845 36374 32767 2 0x10 syz-executor 45705 255834 36374 32767 3 0x4000090 kqread syz-executor 45705 233989 36374 32767 3 0x4000090 fsleep syz-executor 94342 326781 40564 32767 2 0x10 syz-executor 94342 18515 40564 32767 3 0x4000090 fsleep syz-executor 64390 182338 35142 32767 2 0x10 syz-executor 64390 352191 35142 32767 3 0x4000090 fsleep syz-executor 64390 221029 35142 32767 3 0x4000090 fsleep syz-executor 58947 54752 40541 32767 3 0x90 nanoslp syz-executor 35142 518673 57222 32767 3 0x90 nanoslp syz-executor 40564 480260 5849 32767 3 0x90 nanoslp syz-executor 28825 176518 64385 32767 3 0x10 biowait syz-executor 78322 233518 15842 32767 3 0x90 nanoslp syz-executor 36374 377318 92911 32767 3 0x90 nanoslp syz-executor 14856 303684 43198 32767 3 0x10 biowait syz-executor 31193 5621 5670 32767 3 0x90 nanoslp syz-executor 43198 41265 84348 0 3 0x82 wait syz-executor 5670 515655 84348 0 3 0x82 wait syz-executor 64385 407589 84348 0 3 0x82 wait syz-executor 57222 477006 84348 0 3 0x82 wait syz-executor 40541 498847 84348 0 3 0x82 wait syz-executor 5849 284634 84348 0 3 0x82 wait syz-executor 15842 175689 84348 0 3 0x82 wait syz-executor 92911 204415 84348 0 3 0x82 wait syz-executor 84348 332229 17544 0 3 0x82 kqread syz-executor 17544 360590 85313 0 3 0x10008a sigsusp ksh 85313 123492 96065 0 3 0x98 kqread sshd-session 96065 243066 81671 0 3 0x92 kqread sshd-session 27785 281742 1 0 3 0x100083 ttyin getty 81671 449240 1 0 3 0x88 kqread sshd 66415 188621 62381 73 3 0x1100090 kqread syslogd 62381 214933 1 0 3 0x100082 sbwait syslogd 18274 397619 1 0 3 0x100080 kqread resolvd 49292 45134 2288 77 3 0x100092 kqread dhcpleased 93974 287662 2288 77 3 0x100092 kqread dhcpleased 2288 484044 1 0 3 0x80 kqread dhcpleased 10425 205618 0 0 3 0x14200 bored smr 31949 365971 0 0 2 0x14200 zerothread 82767 349488 0 0 3 0x14200 aiodoned aiodoned 34605 366121 0 0 3 0x14200 syncer update 65777 63123 0 0 3 0x14200 cleaner cleaner 20130 101335 0 0 3 0x14200 reaper reaper 87417 415746 0 0 3 0x14200 pgdaemon pagedaemon 38242 213618 0 0 3 0x14200 bored viomb 43617 390542 0 0 3 0x40014200 acpi0 acpi0 45094 181231 0 0 3 0x40014200 idle1 11508 506934 0 0 3 0x14200 bored softnet3 82700 177039 0 0 3 0x14200 bored softnet2 18060 231587 0 0 3 0x14200 bored softnet1 27553 453018 0 0 3 0x14200 bored softnet0 28526 258859 0 0 3 0x14200 bored systqmp 63300 163878 0 0 3 0x14200 bored systq 64842 466498 0 0 3 0x14200 tmoslp softclockmp 33034 434320 0 0 3 0x40014200 tmoslp softclock 27173 371362 0 0 3 0x40014200 idle0 1 353424 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 (0xffffffff83998298) #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+0x1ad sys/kern/kern_lock.c:296 #2 mtx_enter+0x62 sys/kern/kern_lock.c:253 #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 CPU 1: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806c497810) #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+0x1ad sys/kern/kern_lock.c:296 #2 mtx_enter+0x62 sys/kern/kern_lock.c:253 #3 pmap_write_protect+0x87 rcr3 machine/cpufunc.h:139 [inline] #3 pmap_write_protect+0x87 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline] #3 pmap_write_protect+0x87 sys/arch/amd64/amd64/pmap.c:2163 #4 uvm_map_protect+0xbcd pmap_protect machine/pmap.h:476 [inline] #4 uvm_map_protect+0xbcd sys/uvm/uvm_map.c:3191 #5 sys_mprotect+0x34c sys/uvm/uvm_mmap.c:590 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #7 Xsyscall+0x128 Process 93151 (syz-executor) thread 0xffff80003c438f90 (166010) exclusive rwlock uobjlk r = 0 (0xfffffd806bf7d460) #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+0x377 sys/kern/kern_rwlock.c:310 #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 (0xffffffff83998298) #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+0x1ad sys/kern/kern_lock.c:296 #2 mtx_enter+0x62 sys/kern/kern_lock.c:253 #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 93151 (syz-executor) thread 0xffff8000fffe82b8 (95633) exclusive rrwlock inode r = 0 (0xfffffd806c9ef9e0) #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+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #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:579 #7 Xsyscall+0x128 Process 12498 (syz-executor) thread 0xffff8000fffe87d8 (266313) exclusive rwlock uobjlk r = 0 (0xfffffd8072766658) #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+0x377 sys/kern/kern_rwlock.c:310 #2 uvm_map_protect+0xb6e sys/uvm/uvm_map.c:3191 #3 sys_mprotect+0x34c sys/uvm/uvm_mmap.c:590 #4 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #5 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd807276a4e8) #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+0x377 sys/kern/kern_rwlock.c:310 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvm_map_protect+0xe1 sys/uvm/uvm_map.c:3064 #4 sys_mprotect+0x34c sys/uvm/uvm_mmap.c:590 #5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #6 Xsyscall+0x128 Process 28825 (syz-executor) thread 0xffff8000ffff1c50 (176518) exclusive rrwlock inode r = 0 (0xfffffd806caecf78) #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+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #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:579 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806caece58) #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+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #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:579 #9 Xsyscall+0x128 Process 14856 (syz-executor) thread 0xffff80002a296538 (303684) exclusive rrwlock inode r = 0 (0xfffffd806c9ef8c0) #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+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:693 #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:1864 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c9ef0e0) #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+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:693 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x21b sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1864 #12 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #13 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10189 10955K 10966K 166960K 11266 0 pcb 17 12K 12K 166960K 17 0 rtable 236 6K 6K 166960K 352 0 pf 31 16K 16K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 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 29 0 iov 0 0K 12K 166960K 5 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1334 84K 84K 166960K 1355 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 10 0K 1K 166960K 14 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 24 89K 117K 166960K 233 0 proc 58 79K 103K 166960K 480 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 27 0 in_multi 99 7K 7K 166960K 106 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 345 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 257 176K 194K 166960K 3770 0 UVM aobj 11 2K 2K 166960K 12 0 pinsyscall 45 90K 111K 166960K 1230 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 4 0 NDP 11 0K 2K 166960K 27 0 temp 39 8687K 8751K 166960K 4983 0 kqueue 14 22K 32K 166960K 42 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 46 0 43 1 0 1 1 0 8 0 rtentry 176 112 0 1 6 0 6 6 0 8 0 unpcb 144 97 0 80 1 0 1 1 0 8 0 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpqe 32 3 0 3 1 0 1 1 0 8 1 tcpcb 808 46 0 39 2 0 2 2 0 8 1 arp 128 18 0 0 1 0 1 1 0 8 0 inpcb 384 212 0 202 5 0 5 5 0 8 3 nd6 144 25 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 256 455 0 0 29 0 29 29 0 8 0 art_table 32 456 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 0 1 0 1 1 0 8 0 semupl 112 4 0 4 1 0 1 1 0 8 1 semapl 112 9 0 1 1 0 1 1 0 8 0 shmpl 112 9 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1671 0 163 95 0 95 95 0 8 0 ffsino 288 1671 0 163 108 0 108 108 0 8 0 nchpl 144 1994 0 315 63 0 63 63 0 8 0 uvmvnodes 80 1752 0 0 36 0 36 36 0 8 0 vnodes 216 1752 0 0 98 0 98 98 0 8 0 namei 1024 5807 0 5806 1 0 1 1 0 8 0 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 6547 0 6545 9 1 8 8 1 8 7 plimitpl 152 80 0 55 2 0 2 2 0 8 1 sigapl 424 505 0 450 7 0 7 7 0 8 0 knotepl 120 81 0 0 3 0 3 3 0 8 0 kqueuepl 224 55 0 43 2 0 2 2 0 8 1 pipepl 336 137 0 110 3 0 3 3 0 8 0 fdescpl 520 486 0 450 3 0 3 3 0 8 0 filepl 160 1944 0 1729 12 0 12 12 0 8 2 lockfpl 104 29 0 26 1 0 1 1 0 8 0 lockfspl 48 14 0 11 1 0 1 1 0 8 0 sessionpl 144 22 0 6 1 0 1 1 0 8 0 pgrppl 48 30 0 6 1 0 1 1 0 8 0 ucredpl 104 186 0 167 1 0 1 1 0 8 0 zombiepl 144 451 0 450 1 0 1 1 0 8 0 processpl 1240 505 0 450 5 0 5 5 0 8 0 procpl 656 670 0 607 7 0 7 7 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 728 355 0 325 8 0 8 8 0 8 4 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 115 0 0 15 0 15 15 0 8 0 mcl2k 2048 25 0 0 4 0 4 4 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 258 0 0 17 0 17 17 0 8 0 bufpl 280 2355 0 116 160 0 160 160 0 8 0 anonpl 32 7273 0 0 59 0 59 59 0 246 0 amapchunkpl 152 11894 0 11327 45 0 45 45 0 158 21 amappl16 200 2436 0 2408 14 3 11 14 0 8 8 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 105 0 95 1 0 1 1 0 8 0 amappl13 176 5 0 5 1 1 0 1 0 8 0 amappl12 168 1081 0 1045 2 0 2 2 0 8 0 amappl11 160 73 0 63 1 0 1 1 0 8 0 amappl10 152 7 0 7 1 1 0 1 0 8 0 amappl9 144 247 0 246 1 0 1 1 0 8 0 amappl8 136 36 0 34 1 0 1 1 0 8 0 amappl7 128 92 0 82 1 0 1 1 0 8 0 amappl6 120 173 0 169 1 0 1 1 0 8 0 amappl5 112 116 0 110 1 0 1 1 0 8 0 amappl4 104 276 0 260 1 0 1 1 0 8 0 amappl3 96 1794 0 1668 4 0 4 4 0 8 0 amappl2 88 591 0 538 2 0 2 2 0 8 0 amappl1 80 8245 0 7675 14 0 14 14 0 8 0 amappl 88 3133 0 2943 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 11 0 1 1 0 1 1 0 8 0 uaddrrnd 24 486 0 450 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 486 0 450 1 0 1 1 0 8 0 vmmpekpl 168 5594 0 5563 2 0 2 2 0 8 0 vmmpepl 168 37728 0 35653 102 0 102 102 0 357 7 vmsppl 480 485 0 450 7 1 6 6 0 8 1 rwobjpl 72 15177 0 12568 50 0 50 50 0 8 1 pdppl 4096 979 0 900 105 20 85 95 0 8 6 pvpl 32 13130 0 0 108 2 106 107 0 265 0 pmappl 256 485 0 450 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 393 0 23 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(ffffffff833f0af0) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_enter_try(ffffffff83998288) at mtx_enter_try+0x1da sys/kern/kern_lock.c:285 mtx_enter(ffffffff83998288) at mtx_enter+0x62 sys/kern/kern_lock.c:253 uvm_pageclean(fffffd800884a590) at uvm_pageclean+0x290 uvm_pagedequeue sys/uvm/uvm_page.c:-1 [inline] uvm_pageclean(fffffd800884a590) at uvm_pageclean+0x290 sys/uvm/uvm_page.c:980 uvm_pagefree(fffffd800884a590) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvn_get(fffffd8060870400,0,ffff80003c46d198,ffff80003c46d17c,0,2,b797704d308d0fdb,2) at uvn_get+0x68b sys/uvm/uvm_vnode.c:1118 uvm_fault_lower_io(ffff80003c46d3b0,ffff80003c46d3e8,ffff80003c46d230,ffff80003c46d218) at uvm_fault_lower_io+0x2d1 sys/uvm/uvm_fault.c:1652 uvm_fault_lower(ffff80003c46d3b0,ffff80003c46d3e8,ffff80003c46d330) at uvm_fault_lower+0x2bb sys/uvm/uvm_fault.c:1419 uvm_fault(fffffd806c4bf3e0,200000000000,0,2) at uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c46d540,2000000000c0) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c46d540) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7d0f75e70ba0, 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 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68 savectx() at savectx+0xae end of kernel end trace frame: 0x7f4389b13ee0, count: 10 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 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68 savectx() at savectx+0xae end of kernel end trace frame: 0x7f4389b13ee0, count: -5