panic: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 17649 5280 0 0x14000 0x200 1 reaper 24526 17504 0 0x14000 0x40000200 0 softclock db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8306d7bb) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(ffffffff835e6f98,1,0) at witness_checkorder+0x1197 witness_debugger sys/kern/subr_witness.c:2518 [inline] witness_checkorder(ffffffff835e6f98,1,0) at witness_checkorder+0x1197 sys/kern/subr_witness.c:780 rw_enter_read(ffffffff835e6f88) at rw_enter_read+0xab sys/kern/kern_rwlock.c:112 uvmfault_lookup(ffff800029fe56e0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800029fe56e0,ffff800029fe5718,ffff800029fe5740) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(ffffffff835e6ea8,7f8420133000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800029fe5880,7f8420133648) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800029fe5880) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pmap_page_remove(fffffd80073fbea0) at pmap_page_remove+0x45d _atomic_swap_64 machine/atomic.h:117 [inline] pmap_page_remove(fffffd80073fbea0) at pmap_page_remove+0x45d sys/arch/amd64/amd64/pmap.c:2005 uvm_anfree_list(fffffd806ca88600,0) at uvm_anfree_list+0xd6 amap_wipeout(fffffd806bae9f20) at amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 uvm_unmap_detach(ffff800029fe5ab0,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 end trace frame: 0xffff800029fe5af0, count: 0 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: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8306d7bb) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(ffffffff835e6f98,1,0) at witness_checkorder+0x1197 witness_debugger sys/kern/subr_witness.c:2518 [inline] witness_checkorder(ffffffff835e6f98,1,0) at witness_checkorder+0x1197 sys/kern/subr_witness.c:780 rw_enter_read(ffffffff835e6f88) at rw_enter_read+0xab sys/kern/kern_rwlock.c:112 uvmfault_lookup(ffff800029fe56e0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800029fe56e0,ffff800029fe5718,ffff800029fe5740) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(ffffffff835e6ea8,7f8420133000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800029fe5880,7f8420133648) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800029fe5880) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pmap_page_remove(fffffd80073fbea0) at pmap_page_remove+0x45d _atomic_swap_64 machine/atomic.h:117 [inline] pmap_page_remove(fffffd80073fbea0) at pmap_page_remove+0x45d sys/arch/amd64/amd64/pmap.c:2005 uvm_anfree_list(fffffd806ca88600,0) at uvm_anfree_list+0xd6 amap_wipeout(fffffd806bae9f20) at amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 uvm_unmap_detach(ffff800029fe5ab0,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 uvm_map_teardown(fffffd8071035530) at uvm_map_teardown+0x35e sys/uvm/uvm_map.c:2518 uvmspace_free(fffffd8071035530) at uvmspace_free+0xcd sys/uvm/uvm_map.c:3422 reaper(ffff800029fd8518) at reaper+0x256 sys/kern/kern_exit.c:480 end trace frame: 0x0, count: -17 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800029fe5340 rbx 0xffff800029b7cd87 rdx 0 rcx 0xffff800029fd8518 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xbd2414db7ea67c3 r11 0xbe18a4752d2ee59e r12 0xffff800029b7cb88 r13 0 r14 0 r15 0x1 rip 0xffffffff8255a995 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800029fe5330 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (reaper) tid=17649 pid=5280 tcnt=1 stat=onproc flags process=14000 proc=200 runpri=4, usrpri=85, slppri=4, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800029fd87a0,0xffff800029fd82a0 process=0xffff800029feb608 user=0xffff800029fe0000, vmspace=0xffffffff835e6ea8 estcpu=35, cpticks=9, pctcpu=17.28, user=0, sys=51490, intr=129 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 64806 439391 83172 0 2 0x8000000 syz-executor 64806 176840 83172 0 2 0xc000000 syz-executor 24819 137582 29624 0 2 0x8000000 syz-executor 24819 262751 29624 0 3 0xc000080 ttyout syz-executor 96248 97757 97386 0 2 0x8000480 syz-executor 96248 354988 97386 0 3 0xc000080 fsleep syz-executor 96248 8295 97386 0 3 0xc000080 fsleep syz-executor 99773 465463 10175 0 2 0x8000000 syz-executor 99773 259072 10175 0 3 0xc000080 fsleep syz-executor 20977 501655 43461 0 2 0x8000480 syz-executor 20977 346645 43461 0 3 0xc000080 piperd syz-executor 23147 54794 27788 0 2 0x8000480 syz-executor 23147 117279 27788 0 3 0xc000080 netcon syz-executor 23147 484580 27788 0 3 0xc000080 fsleep syz-executor 25194 309735 87124 0 2 0x8000482 syz-executor 27788 492539 87124 0 2 0x8000482 syz-executor 29624 118652 87124 0 2 0x8000482 syz-executor 10175 169434 87124 0 2 0x8000482 syz-executor 43461 195861 87124 0 2 0x8000482 syz-executor 58077 109935 87124 0 2 0x8000002 syz-executor 97386 349170 87124 0 2 0x8000482 syz-executor 83172 117619 87124 0 2 0x8000482 syz-executor 76814 18033 1 0 3 0x18100083 ttyin getty 16029 170215 0 0 3 0x14200 bored sosplice 54089 231358 0 0 3 0x14280 nfsidl nfsio 18649 203330 0 0 3 0x14280 nfsidl nfsio 91178 434263 0 0 3 0x14280 nfsidl nfsio 44152 405896 0 0 3 0x14280 nfsidl nfsio 35472 339493 0 0 3 0x14280 nfsidl nfsio 55061 472745 0 0 3 0x14280 nfsidl nfsio 97840 238460 0 0 3 0x14280 nfsidl nfsio 99743 136113 0 0 3 0x14280 nfsidl nfsio 25225 496076 0 0 3 0x14280 nfsidl nfsio 60754 456849 0 0 3 0x14280 nfsidl nfsio 86987 280906 0 0 3 0x14280 nfsidl nfsio 15947 311094 0 0 3 0x14280 nfsidl nfsio 60947 521742 0 0 3 0x14280 nfsidl nfsio 2870 354456 0 0 3 0x14280 nfsidl nfsio 68327 155068 0 0 3 0x14280 nfsidl nfsio 88814 387108 0 0 3 0x14280 nfsidl nfsio 36235 220120 0 0 3 0x14280 nfsidl nfsio 29727 419400 0 0 3 0x14280 nfsidl nfsio 92305 195013 0 0 3 0x14280 nfsidl nfsio 95038 490888 0 0 3 0x14280 nfsidl nfsio 87124 71085 1574 0 2 0x8000002 syz-executor 1574 238257 1788 0 3 0x810008a sigsusp ksh 1788 386427 39521 0 3 0x18000098 kqread sshd-session 39521 484718 35734 0 3 0x18000092 kqread sshd-session 35734 223245 1 0 3 0x18000088 kqread sshd 47308 441065 40443 74 3 0x19100092 bpf pflogd 40443 142398 1 0 3 0x18000080 sbwait pflogd 80965 376797 66614 73 2 0x19100010 syslogd 66614 136068 1 0 3 0x18100082 sbwait syslogd 32086 245295 1 0 3 0x18100080 kqread resolvd 55352 227432 47477 77 3 0x18100092 kqread dhcpleased 13211 232351 47477 77 3 0x18100092 kqread dhcpleased 47477 243159 1 0 3 0x18000080 kqread dhcpleased 29341 367282 0 0 3 0x14200 bored smr 36174 47111 0 0 2 0x14200 zerothread 93381 367167 0 0 3 0x14200 aiodoned aiodoned 2058 181208 0 0 3 0x14200 syncer update 43569 48304 0 0 3 0x14200 cleaner cleaner * 5280 17649 0 0 7 0x14200 reaper 85097 21623 0 0 3 0x14200 pgdaemon pagedaemon 23948 140912 0 0 3 0x14200 bored viomb 70262 175362 0 0 3 0x40014200 acpi0 acpi0 51544 232457 0 0 3 0x40014200 idle1 13934 111533 0 0 3 0x14200 bored softnet3 82112 439643 0 0 3 0x14200 bored softnet2 48845 103549 0 0 3 0x14200 bored softnet1 56304 426976 0 0 3 0x14200 bored softnet0 59001 93499 0 0 3 0x14200 bored systqmp 8334 390389 0 0 3 0x14200 bored systq 72975 40690 0 0 2 0x14200 softclockmp 17504 24526 0 0 7 0x40014200 softclock 67754 27661 0 0 3 0x40014200 idle0 1 247709 0 0 3 0x8080082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd807ec59ca8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 pmap_page_remove+0xcd rcr3 machine/cpufunc.h:139 [inline] #3 pmap_page_remove+0xcd pmap_map_ptes sys/arch/amd64/amd64/pmap.c:430 [inline] #3 pmap_page_remove+0xcd sys/arch/amd64/amd64/pmap.c:1965 #4 uvm_anfree_list+0xd6 #5 amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 #6 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #7 uvm_map_teardown+0x35e sys/uvm/uvm_map.c:2518 #8 uvmspace_free+0xcd sys/uvm/uvm_map.c:3422 #9 reaper+0x256 sys/kern/kern_exit.c:480 #10 proc_trampoline+0x10 Process 58077 (syz-executor) thread 0xffff8000fffe6548 (109935) exclusive rrwlock inode r = 0 (0xfffffd807de13f88) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vget+0x2bd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x171 sys/ufs/ufs/ufs_ihash.c:95 #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:1852 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8059c30c48) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #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:1852 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 80965 (syslogd) thread 0xffff8000ffffdbe8 (376797) exclusive rrwlock inode r = 0 (0xfffffd806e49c1b0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0x152 sys/kern/vfs_syscalls.c:2927 #6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 5280 (reaper) thread 0xffff800029fd8518 (17649) exclusive rwlock amaplk r = 0 (0xfffffd8063ba20c0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 amap_unref+0x38 sys/uvm/uvm_amap.c:1360 #2 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #3 uvm_map_teardown+0x35e sys/uvm/uvm_map.c:2518 #4 uvmspace_free+0xcd sys/uvm/uvm_map.c:3422 #5 reaper+0x256 sys/kern/kern_exit.c:480 #6 proc_trampoline+0x10 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd807ec59ca8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 pmap_page_remove+0xcd rcr3 machine/cpufunc.h:139 [inline] #3 pmap_page_remove+0xcd pmap_map_ptes sys/arch/amd64/amd64/pmap.c:430 [inline] #3 pmap_page_remove+0xcd sys/arch/amd64/amd64/pmap.c:1965 #4 uvm_anfree_list+0xd6 #5 amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 #6 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #7 uvm_map_teardown+0x35e sys/uvm/uvm_map.c:2518 #8 uvmspace_free+0xcd sys/uvm/uvm_map.c:3422 #9 reaper+0x256 sys/kern/kern_exit.c:480 #10 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10230 10188K 10708K 166960K 16740 0 pcb 19 22K 24K 166960K 984 0 rtable 222 7K 10K 166960K 6724 0 pf 43 19K 3179K 166960K 755 0 ifaddr 43 9K 10K 166960K 878 0 ifgroup 60 2K 2K 166960K 964 0 sysctl 4 1K 2K 166960K 9 0 counters 66 36K 37K 166960K 540 0 ioctlops 0 0K 5K 166960K 2327 0 iov 1 1K 21K 166960K 279 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1598 100K 101K 166960K 7629 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 10K 18K 166960K 57 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 284 0 dirhash 15 2K 3K 166960K 60 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 93K 166960K 5291 0 sigio 1 0K 0K 166960K 55 0 proc 70 91K 140K 166960K 6141 0 subproc 104 6K 7K 166960K 2654 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 372 0 in_multi 95 7K 7K 166960K 2319 0 ether_multi 1 0K 0K 166960K 16 0 mrt 1 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 265 1182K 1182K 166960K 265 0 exec 0 0K 1K 166960K 3576 0 pfkey data 0 0K 0K 166960K 8 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 253 127K 146K 166960K 40022 0 UVM aobj 188 10K 10K 166960K 192 0 pinsyscall 41 82K 100K 166960K 11420 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 1K 166960K 198 0 NDP 19 0K 2K 166960K 654 0 temp 79 6816K 6952K 166960K 148352 0 kqueue 13 20K 30K 166960K 447 0 SYN cache 2 8K 16K 166960K 3 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 703 0 699 3 2 1 2 0 8 0 rtentry 112 2317 0 2218 9 5 4 4 0 8 0 unpcb 144 3751 0 3732 50 49 1 7 0 8 0 syncache 336 9 0 9 7 7 0 1 0 8 0 tcpqe 32 4 0 4 3 3 0 1 0 8 0 tcpcb 808 1569 0 1562 58 57 1 11 0 8 0 arp 120 418 0 400 1 0 1 1 0 8 0 inpcb 336 5810 0 5793 104 102 2 15 0 8 0 nd6 136 635 0 610 1 0 1 1 0 8 0 pkpcb 40 49 0 49 11 11 0 1 0 8 0 kcovpl 48 204 0 196 1 0 1 1 0 8 0 ppxss 1168 27 0 27 15 14 1 1 0 8 1 pfstscr 40 3 0 3 3 3 0 1 0 8 0 pffrag 232 24 0 22 4 3 1 1 0 482 0 pffrnode 88 24 0 22 4 3 1 1 0 8 0 pffrent 40 122 0 120 4 3 1 1 0 8 0 pfosfp 40 1436 0 1010 5 0 5 5 0 8 0 pfosfpen 112 1436 0 717 21 0 21 21 0 8 0 pfrktable 1344 21 0 20 3 2 1 1 0 8 0 pfanchor 1288 22 0 14 1 0 1 1 0 8 0 pftag 88 5 0 2 1 0 1 1 0 8 0 pfqueue 264 1 0 0 1 0 1 1 0 8 0 pfstitem 24 119 0 113 1 0 1 1 0 8 0 pfstkey 128 126 0 116 2 1 1 2 0 8 0 pfstate 376 119 0 115 5 4 1 4 0 8 0 pfrule 1344 131 0 106 7 4 3 3 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 9154 0 8737 58 30 28 30 0 8 1 art_table 32 9156 0 8737 4 0 4 4 0 8 0 art_node 16 2310 0 2221 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 1 1 0 1 1 0 8 0 semapl 112 282 0 272 1 0 1 1 0 8 0 shmpl 112 189 0 4 6 0 6 6 0 8 0 dirhash 1024 50 0 30 3 0 3 3 0 8 0 dino2pl 256 6777 0 4879 120 0 120 120 0 8 0 ffsino 272 6777 0 4879 127 0 127 127 0 8 0 nchpl 144 10760 0 9876 75 41 34 64 0 8 0 uvmvnodes 80 8763 0 0 179 0 179 179 0 8 0 vnodes 216 8763 0 0 487 0 487 487 0 8 0 namei 1024 62817 0 62817 25 24 1 2 0 8 1 percpumem 16 284 0 237 1 0 1 1 0 8 0 vcpupl 3904 11 0 2 2 0 2 2 0 8 0 vmpool 696 19 0 10 2 1 1 2 0 8 0 pfiaddrpl 120 6 0 6 5 5 0 1 0 8 0 kstatmem 264 500 0 474 3 1 2 3 0 8 0 scsiplug 72 7 0 7 7 7 0 1 0 8 0 scxspl 216 77225 0 77225 25 24 1 8 1 8 1 plimitpl 152 1508 0 1491 1 0 1 1 0 8 0 sigapl 424 5229 0 5159 10 1 9 9 0 8 0 futexpl 64 44867 0 44863 28 27 1 1 0 8 0 knotepl 120 986 0 0 23 0 23 23 0 8 0 kqueuepl 216 1183 0 1173 21 20 1 5 0 8 0 pipepl 320 1208 0 1178 17 14 3 8 0 8 0 fdescpl 496 5183 0 5153 16 11 5 5 0 8 0 filepl 152 36731 0 36461 121 108 13 22 0 8 2 lockfpl 104 1253 0 1250 4 3 1 2 0 8 0 lockfspl 48 577 0 574 1 0 1 1 0 8 0 sessionpl 144 220 0 211 1 0 1 1 0 8 0 pgrppl 48 468 0 451 1 0 1 1 0 8 0 ucredpl 104 5867 0 5854 1 0 1 1 0 8 0 zombiepl 144 5160 0 5159 6 5 1 1 0 8 0 processpl 1152 5229 0 5159 7 1 6 6 0 8 0 procpl 648 9517 0 9439 12 4 8 8 0 8 0 srpgc 96 22 0 22 6 6 0 1 0 8 0 sosppl 168 22 0 22 9 9 0 1 0 8 0 sockpl 664 10343 0 10303 155 151 4 18 0 8 0 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 435 0 0 29 6 23 29 0 8 1 mtagpl 96 70 0 0 2 0 2 2 0 8 0 mbufpl 256 2453 0 0 144 0 144 144 0 8 0 bufpl 280 14383 0 5619 627 0 627 627 0 8 0 anonpl 24 691607 0 688034 204 152 52 74 0 185 11 amapchunkpl 152 126956 0 126454 142 110 32 40 0 158 12 amappl16 200 9664 0 9644 119 116 3 15 0 8 0 amappl15 192 13 0 13 3 3 0 1 0 8 0 amappl14 184 511 0 499 1 0 1 1 0 8 0 amappl13 176 6 0 6 2 2 0 1 0 8 0 amappl12 168 8903 0 8872 3 1 2 2 0 8 0 amappl11 160 80 0 66 1 0 1 1 0 8 0 amappl10 152 13 0 13 1 1 0 1 0 8 0 amappl9 144 149 0 148 1 0 1 1 0 8 0 amappl8 136 43 0 41 1 0 1 1 0 8 0 amappl7 128 502 0 490 1 0 1 1 0 8 0 amappl6 120 2108 0 2106 1 0 1 1 0 8 0 amappl5 112 913 0 901 1 0 1 1 0 8 0 amappl4 104 910 0 888 1 0 1 1 0 8 0 amappl3 96 23960 0 23838 5 1 4 4 0 8 0 amappl2 88 3373 0 3308 2 0 2 2 0 8 0 amappl1 80 35014 0 34435 17 3 14 14 0 8 1 amappl 88 38032 0 37853 10 5 5 5 0 92 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma16384 16384 2 0 2 2 2 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 2 2 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 20 0 19 1 0 1 1 0 8 0 aobjpl 72 191 0 4 4 0 4 4 0 8 0 uaddrrnd 24 5202 0 5163 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5202 0 5163 1 0 1 1 0 8 0 vmmpekpl 168 44159 0 44093 5 1 4 4 0 8 0 vmmpepl 168 318213 0 316318 194 107 87 97 0 357 1 vmsppl 440 5201 0 5162 10 5 5 5 0 8 0 rwobjpl 56 95221 0 85322 160 19 141 142 0 8 0 pdppl 4096 10411 0 10333 402 316 86 87 0 8 8 pvpl 32 33130 0 0 265 1 264 264 0 265 0 pmappl 248 5201 0 5162 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1106 0 563 16 0 16 16 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834c6ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff835df518) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835df518) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff835df518,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x658 sys/kern/sched_bsd.c:460 sleep_finish(0,1) at sleep_finish+0x219 sys/kern/kern_synch.c:416 msleep(ffffffff8361b970,ffffffff834e11d0,0,ffffffff830e0477,0) at msleep+0x13b sys/kern/kern_synch.c:249 softclock_thread(ffff8000fffff1b8) at softclock_thread+0x11f sys/kern/kern_timeout.c:813 end trace frame: 0x0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff834c6ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff835df518) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835df518) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff835df518,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x658 sys/kern/sched_bsd.c:460 sleep_finish(0,1) at sleep_finish+0x219 sys/kern/kern_synch.c:416 msleep(ffffffff8361b970,ffffffff834e11d0,0,ffffffff830e0477,0) at msleep+0x13b sys/kern/kern_synch.c:249 softclock_thread(ffff8000fffff1b8) at softclock_thread+0x11f sys/kern/kern_timeout.c:813 end trace frame: 0x0, count: -9 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:437 panic(ffffffff8306d7bb) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(ffffffff835e6f98,1,0) at witness_checkorder+0x1197 witness_debugger sys/kern/subr_witness.c:2518 [inline] witness_checkorder(ffffffff835e6f98,1,0) at witness_checkorder+0x1197 sys/kern/subr_witness.c:780 rw_enter_read(ffffffff835e6f88) at rw_enter_read+0xab sys/kern/kern_rwlock.c:112 uvmfault_lookup(ffff800029fe56e0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800029fe56e0,ffff800029fe5718,ffff800029fe5740) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(ffffffff835e6ea8,7f8420133000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800029fe5880,7f8420133648) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800029fe5880) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pmap_page_remove(fffffd80073fbea0) at pmap_page_remove+0x45d _atomic_swap_64 machine/atomic.h:117 [inline] pmap_page_remove(fffffd80073fbea0) at pmap_page_remove+0x45d sys/arch/amd64/amd64/pmap.c:2005 uvm_anfree_list(fffffd806ca88600,0) at uvm_anfree_list+0xd6 amap_wipeout(fffffd806bae9f20) at amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 uvm_unmap_detach(ffff800029fe5ab0,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 end trace frame: 0xffff800029fe5af0, count: 0 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8306d7bb) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(ffffffff835e6f98,1,0) at witness_checkorder+0x1197 witness_debugger sys/kern/subr_witness.c:2518 [inline] witness_checkorder(ffffffff835e6f98,1,0) at witness_checkorder+0x1197 sys/kern/subr_witness.c:780 rw_enter_read(ffffffff835e6f88) at rw_enter_read+0xab sys/kern/kern_rwlock.c:112 uvmfault_lookup(ffff800029fe56e0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800029fe56e0,ffff800029fe5718,ffff800029fe5740) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(ffffffff835e6ea8,7f8420133000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800029fe5880,7f8420133648) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800029fe5880) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b pmap_page_remove(fffffd80073fbea0) at pmap_page_remove+0x45d _atomic_swap_64 machine/atomic.h:117 [inline] pmap_page_remove(fffffd80073fbea0) at pmap_page_remove+0x45d sys/arch/amd64/amd64/pmap.c:2005 uvm_anfree_list(fffffd806ca88600,0) at uvm_anfree_list+0xd6 amap_wipeout(fffffd806bae9f20) at amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 uvm_unmap_detach(ffff800029fe5ab0,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 uvm_map_teardown(fffffd8071035530) at uvm_map_teardown+0x35e sys/uvm/uvm_map.c:2518 uvmspace_free(fffffd8071035530) at uvmspace_free+0xcd sys/uvm/uvm_map.c:3422 reaper(ffff800029fd8518) at reaper+0x256 sys/kern/kern_exit.c:480 end trace frame: 0x0, count: -17