uvm_fault(0xfffffd806ef54b78, 0x0, 0, 1) -> e fatal page fault in supervisor mode trap type 6 code 0 rip ffffffff81edb908 cs 8 rflags 10207 cr2 0 cpl 0 rsp ffff80002f801aa0 gsbase 0xffff8000299edff0 kgsbase 0x0 panic: trap type 6, code=0, pc=ffffffff81edb908 Starting stack trace... panic(ffffffff833a4997) at panic+0x1d0 sys/kern/subr_prf.c:229 kerntrap(ffff80002f8019f0) at kerntrap+0x30b alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff800001479000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(21e5f,81,2000,ffff80003c459780) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff80003c459780) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002f801ba0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8068af5c08,81,fffffd80097fb618,ffff80003c459780) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805da8f160,ffff80003c459780) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805da8f160,ffff80003c459780) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805da8f160,ffff80003c459780) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805da8f160,ffff80003c459780) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c459780) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c459780,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c459780,ffff80002f801f10,ffff80002f801e60) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002f801f10) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002f801f10) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6f80cc5d84b0, count: 242 End of stack trace. WARNING: SPL NOT LOWERED ON SYSCALL 83 337790176 EXIT 0 4 Stopped at savectx+0xae: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND *277632 3656 0 0 0x4000000 1 syz-executor 199164 23706 0 0x14000 0x40000200 0 softclock savectx() at savectx+0xae end of kernel end trace frame: 0x28db7d82c80, count: 14 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}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault(0xfffffd806ef54b78, 0x0, 0, 1) -> e ddb{1}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x28db7d82c80, count: -1 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c45fc60 rbx 0 rdx 0xffff80000147a680 rcx 0xffff80003c4582c0 rax 0x3a r8 0xffff80003c45fb90 r9 0x1 r10 0xa842b0f56530e2db r11 0xe41b98e9d686bcb5 r12 0 r13 0 r14 0xffff80003c4582c0 r15 0 rip 0xffffffff822643ee savectx+0xae cs 0x8 rflags 0x46 rsp 0xffff80003c45fbe0 ss 0x10 savectx+0xae: movl $0,%gs:0x688 ddb{1}> show proc PROC (syz-executor) tid=277632 pid=3656 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=82, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c458fb8,0xffffffff838b3408 process=0xffff800038c1e1d0 user=0xffff80003c45a000, vmspace=0xfffffd806b9ebb88 estcpu=32, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 14319 102362 85711 0 2 0 syz-executor 14319 467548 85711 0 2 0x4000000 syz-executor 3656 194175 45495 0 2 0 syz-executor * 3656 277632 45495 0 7 0x4000000 syz-executor 61807 431638 20555 0 2 0 syz-executor 49048 289728 0 0 3 0x14200 acct acct 56781 304846 0 0 3 0x14200 bored sosplice 45495 263910 3285 0 2 0xc82 syz-executor 38024 285981 3285 0 2 0x2 syz-executor 43220 27051 3285 0 2 0xc82 syz-executor 80304 163404 3285 0 2 0x2 syz-executor 20555 177968 3285 0 2 0xc82 syz-executor 16932 489788 3285 0 2 0x2 syz-executor 85711 35363 3285 0 2 0xc82 syz-executor 22060 462477 3285 0 2 0x2 syz-executor 3285 329046 92580 0 3 0x82 kqread syz-executor 92580 314691 21103 0 3 0x10008a sigsusp ksh 21103 191863 28205 0 3 0x98 kqread sshd-session 28205 419840 77544 0 3 0x92 kqread sshd-session 31443 37173 1 0 2 0x100083 getty 77544 266779 1 0 3 0x88 kqread sshd 64695 447837 87980 74 3 0x1100092 bpf pflogd 87980 282018 1 0 3 0x80 sbwait pflogd 78340 246711 56556 73 3 0x1100090 kqread syslogd 56556 502353 1 0 3 0x100082 sbwait syslogd 29728 171974 1 0 3 0x100080 kqread resolvd 57820 161418 51119 77 3 0x100092 kqread dhcpleased 95368 451636 51119 77 3 0x100092 kqread dhcpleased 51119 519967 1 0 3 0x80 kqread dhcpleased 12345 195509 0 0 2 0x14200 smr 43495 405701 0 0 2 0x14200 zerothread 62827 226095 0 0 3 0x14200 aiodoned aiodoned 95132 145036 0 0 2 0x14e00 update 7362 476368 0 0 3 0x14200 cleaner cleaner 48101 66665 0 0 3 0x14200 reaper reaper 68851 451385 0 0 3 0x14200 pgdaemon pagedaemon 10126 524080 0 0 3 0x14200 bored viomb 38833 187292 0 0 3 0x40014200 acpi0 acpi0 97203 435144 0 0 3 0x40014200 idle1 35086 327843 0 0 3 0x14200 bored softnet7 45617 278935 0 0 3 0x14200 bored softnet6 60299 447877 0 0 3 0x14200 bored softnet5 7580 232077 0 0 3 0x14200 bored softnet4 26535 224177 0 0 3 0x14200 bored softnet3 57115 14827 0 0 3 0x14200 bored softnet2 87367 16495 0 0 3 0x14200 bored softnet1 4800 183084 0 0 2 0x14200 softnet0 54485 359924 0 0 2 0x14200 systqmp 66710 47518 0 0 3 0x14200 bored systq 88029 131632 0 0 2 0x14200 softclockmp 23706 199164 0 0 7 0x40014200 softclock 50597 504382 0 0 3 0x40014200 idle0 1 20039 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 14319 (syz-executor) thread 0xffff80003c458fb8 (467548) exclusive rrwlock inode r = 0 (0xfffffd806e36deb8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 uipc_bind+0x328 sys/kern/uipc_usrreq.c:371 #8 sys_bind+0x2f6 sys/kern/uipc_syscalls.c:190 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #10 Xsyscall+0x128 Process 61807 (syz-executor) thread 0xffff80003c459cb0 (431638) exclusive rwlock vmmaplk r = 0 (0xfffffd806b9eb300) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1918 #4 uvm_fault_check+0x895 uvmfault_amapcopy sys/uvm/uvm_fault.c:235 [inline] #4 uvm_fault_check+0x895 sys/uvm/uvm_fault.c:784 #5 uvm_fault+0x106 sys/uvm/uvm_fault.c:677 #6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #7 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603 #8 recall_trap+0x8 Process 38024 (syz-executor) thread 0xffff80002a2b8fa8 (285981) exclusive rwlock fdlock r = 0 (0xffff80002a2a3d48) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 fdcopy+0x1a2 sys/kern/kern_descrip.c:1111 #3 process_new+0x4fc sys/kern/kern_fork.c:276 #4 fork1+0x3f6 sys/kern/kern_fork.c:-1 #5 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #6 Xsyscall+0x128 Process 80304 (syz-executor) thread 0xffff80002a2b8548 (163404) exclusive rwlock vmmaplk r = 0 (0xfffffd800b027100) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3729 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #7 Xsyscall+0x128 Process 16932 (syz-executor) thread 0xffff80002a2b9ca0 (489788) exclusive rwlock vmmaplk r = 0 (0xfffffd806b9ebe70) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3738 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd800b027a88) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3729 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #7 Xsyscall+0x128 Process 22060 (syz-executor) thread 0xffff8000ffff3768 (462477) exclusive rwlock vmmaplk r = 0 (0xfffffd806b9eb6d0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3738 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd800b0ff4e0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3729 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10220 11073K 11295K 166960K 11818 0 pcb 17 12K 12K 166960K 117 0 rtable 196 7K 8K 166960K 361 0 pf 38 18K 22K 166960K 119 0 ifaddr 43 7K 8K 166960K 84 0 ifgroup 55 2K 2K 166960K 128 0 sysctl 1 1K 9K 166960K 8 0 counters 68 36K 37K 166960K 142 0 ioctlops 0 0K 4K 166960K 1596 0 iov 0 0K 18K 166960K 51 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1432 90K 90K 166960K 1958 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 27 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 97K 166960K 723 0 sigio 0 0K 0K 166960K 6 0 proc 72 115K 147K 166960K 607 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 85 0 in_multi 97 7K 7K 166960K 137 0 ether_multi 1 0K 0K 166960K 7 0 mrt 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 584 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 214 167K 183K 166960K 8306 0 UVM aobj 15 2K 2K 166960K 16 0 pinsyscall 43 86K 106K 166960K 1802 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 39 0 NDP 12 0K 1K 166960K 57 0 temp 63 8646K 8713K 166960K 35926 0 kqueue 13 20K 28K 166960K 138 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 120 204 0 201 5 4 1 3 0 8 0 rtentry 176 126 0 43 5 0 5 5 0 8 0 unpcb 144 516 0 497 6 1 5 6 0 8 4 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 191 0 187 4 0 4 4 0 8 3 arp 128 11 0 1 1 0 1 1 0 8 0 inpcb 328 607 0 600 5 1 4 4 0 8 3 nd6 144 23 0 6 1 0 1 1 0 8 0 pkpcb 40 7 0 7 3 3 0 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 30 0 30 3 2 1 1 0 8 1 pppxif 1504 2 0 2 2 2 0 1 0 8 0 pfstscr 40 2 0 2 2 1 1 1 0 8 1 pffrag 232 4 0 0 1 0 1 1 0 482 0 pffrnode 88 4 0 0 1 0 1 1 0 8 0 pffrent 40 8 0 3 1 0 1 1 0 8 0 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 1 1 1 0 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 64 0 16 1 0 1 1 0 8 0 pfstkey 128 74 0 26 2 0 2 2 0 8 0 pfstate 384 67 0 21 6 0 6 6 0 8 0 pfrule 1344 25 0 20 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 599 0 190 30 1 29 29 0 8 1 art_table 40 601 0 190 5 0 5 5 0 8 0 art_node 32 126 0 53 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 8 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 20 0 10 1 0 1 1 0 8 0 shmpl 112 13 0 1 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2828 0 1314 96 0 96 96 0 8 0 ffsino 296 2828 0 1314 117 0 117 117 0 8 0 nchpl 144 3816 0 2131 64 0 64 64 0 8 0 rtmask 32 5 0 5 2 1 1 1 0 8 1 uvmvnodes 80 3189 0 0 66 0 66 66 0 8 0 vnodes 216 3190 0 0 178 0 178 178 0 8 0 namei 1024 12257 0 12256 4 3 1 2 0 8 0 percpumem 16 86 0 37 1 0 1 1 0 8 0 kstatmem 264 80 0 54 5 2 3 3 0 8 1 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 3 0 3 3 2 1 1 0 8 1 scxspl 216 19857 0 19857 11 10 1 8 1 8 1 plimitpl 152 127 0 110 1 0 1 1 0 8 0 sigapl 424 1028 0 973 7 0 7 7 0 8 0 knotepl 120 317 0 0 10 0 10 10 0 8 0 kqueuepl 224 245 0 236 3 2 1 3 0 8 0 pipepl 344 144 0 116 3 0 3 3 0 8 0 fdescpl 528 1004 0 972 3 0 3 3 0 8 0 filepl 160 5637 0 5421 25 8 17 18 0 8 6 lockfpl 104 158 0 156 1 0 1 1 0 8 0 lockfspl 48 73 0 71 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 42 0 25 1 0 1 1 0 8 0 ucredpl 104 878 0 864 1 0 1 1 0 8 0 zombiepl 144 1152 0 1151 1 0 1 1 0 8 0 processpl 1232 1029 0 973 5 0 5 5 0 8 0 procpl 664 1990 0 1932 7 0 7 7 0 8 1 sosppl 168 10 0 10 2 1 1 1 0 8 1 sockpl 752 1350 0 1321 31 21 10 17 0 8 7 mcl64k 65536 10 0 0 2 0 2 2 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 123 0 0 16 0 16 16 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 29 0 0 4 0 4 4 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 1166 0 0 73 0 73 73 0 8 0 bufpl 280 8006 0 1863 439 0 439 439 0 8 0 anonpl 32 9231 0 0 75 0 75 75 0 246 0 amapchunkpl 152 26968 0 26497 41 9 32 32 0 158 10 amappl16 200 3304 0 3233 28 11 17 17 0 8 7 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 113 0 101 1 0 1 1 0 8 0 amappl13 176 4 0 4 1 1 0 1 0 8 0 amappl12 168 1640 0 1612 3 1 2 3 0 8 0 amappl11 160 53 0 39 1 0 1 1 0 8 0 amappl10 152 2 0 2 1 1 0 1 0 8 0 amappl9 144 299 0 299 1 1 0 1 0 8 0 amappl8 136 27 0 24 1 0 1 1 0 8 0 amappl7 128 109 0 97 1 0 1 1 0 8 0 amappl6 120 170 0 166 1 0 1 1 0 8 0 amappl5 112 121 0 110 1 0 1 1 0 8 0 amappl4 104 297 0 275 1 0 1 1 0 8 0 amappl3 96 4612 0 4536 3 0 3 3 0 8 0 amappl2 88 1228 0 1150 2 0 2 2 0 8 0 amappl1 80 10440 0 9855 15 2 13 14 0 8 0 amappl 88 7553 0 7412 5 0 5 5 0 92 0 dma16384 16384 1 0 1 1 1 0 1 0 8 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 128 254 0 254 2 2 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 15 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1003 0 972 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1003 0 972 1 0 1 1 0 8 0 vmmpekpl 168 9196 0 9159 3 0 3 3 0 8 0 vmmpepl 168 67811 0 65935 107 7 100 100 0 357 4 vmsppl 488 1002 0 972 5 1 4 5 0 8 0 rwobjpl 80 22906 0 18761 87 0 87 87 0 8 1 pdppl 4096 2014 0 1944 104 32 72 88 0 8 2 pvpl 32 17421 0 0 141 0 141 141 0 265 0 pmappl 256 1002 0 972 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 349 0 41 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83830ff0) 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(ffffffff839a4800) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839a4800) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff839a4800,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:367 softclock_thread_run(ffffffff837bef28) at softclock_thread_run+0x79 sys/kern/kern_timeout.c:836 softclock_thread(ffff8000fffff4c0) at softclock_thread+0x10a sys/kern/kern_timeout.c:858 end trace frame: 0x0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff83830ff0) 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(ffffffff839a4800) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839a4800) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff839a4800,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:367 softclock_thread_run(ffffffff837bef28) at softclock_thread_run+0x79 sys/kern/kern_timeout.c:836 softclock_thread(ffff8000fffff4c0) at softclock_thread+0x10a sys/kern/kern_timeout.c:858 end trace frame: 0x0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at savectx+0xae: movl $0,%gs:0x688 savectx() at savectx+0xae end of kernel end trace frame: 0x28db7d82c80, count: 14 ddb{1}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x28db7d82c80, count: -1