uvm_fault(0xfffffd800b0271e8, 0x0, 0, 1) -> e fatal page fault in supervisor mode trap type 6 code 0 rip ffffffff81f91f20 cs 8 rflags 10207 cr2 0 cpl 0 rsp ffff80002a36cf20 gsbase 0xffff8000299ddff0 kgsbase 0x0 panic: trap type 6, code=0, pc=ffffffff81f91f20 Starting stack trace... panic(ffffffff8333f832) at panic+0x1d0 sys/kern/subr_prf.c:229 kerntrap(ffff80002a36ce70) at kerntrap+0x30b sys/arch/amd64/amd64/trap.c:486 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff800001479000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(21e5f,81,2000,ffff80002a2d5228) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff80002a2d5228) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002a36d020) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805bdea7d8,81,fffffd80097fb548,ffff80002a2d5228) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b8a5720,ffff80002a2d5228) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b8a5720,ffff80002a2d5228) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b8a5720,ffff80002a2d5228) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806b8a5720,ffff80002a2d5228) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a2d5228) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002a2d5228,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a2d5228,ffff80002a36d390,ffff80002a36d2e0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a36d390) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a36d390) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75d38c718d10, count: 242 End of stack trace. WARNING: SPL NOT LOWERED ON TRAP EXIT 4 0 Stopped at proc_trampoline+0xc7: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND 493030 67852 0 0 0 0 syz-executor *318010 47635 0 0 0 1 syz-executor proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7c66d1d73af0, 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(0xfffffd800b0271e8, 0x0, 0, 1) -> e ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7c66d1d73af0, count: -1 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c439860 rbx 0 rdx 0 rcx 0xffff80002a2d5748 rax 0x2a r8 0xffff80003c439790 r9 0x1 r10 0xe9d1f5e13f0becbb r11 0x47668d2582a23bd7 r12 0 r13 0 r14 0 r15 0 rip 0xffffffff82ba44c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff80003c4397e0 ss 0x10 proc_trampoline+0xc7: movl $0,%gs:0x688 ddb{1}> show proc PROC (syz-executor) tid=318010 pid=47635 tcnt=3 stat=onproc flags process=0 proc=0 runpri=84, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a2d5228,0xffff80002a2d4568 process=0xffff80002a3de730 user=0xffff80003c434000, vmspace=0xfffffd806b9789a0 estcpu=34, cpticks=6, pctcpu=0.0, user=5, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 99480 369213 25717 0 2 0 syz-executor 99480 231259 25717 0 3 0x4000080 fsleep syz-executor 99480 457173 25717 0 3 0x4000080 fsleep syz-executor 67852 493030 84164 0 7 0 syz-executor 67852 209657 84164 0 3 0x4000080 fsleep syz-executor 53706 505347 63994 0 2 0 syz-executor 53706 141307 63994 0 3 0x4000080 fsleep syz-executor *47635 318010 60284 0 7 0 syz-executor 47635 279226 60284 0 3 0x4000080 fsleep syz-executor 47635 313937 60284 0 3 0x4000080 fsleep syz-executor 44528 489992 72963 0 3 0x80 nanoslp syz-executor 44528 34318 72963 0 3 0x4000080 piperd syz-executor 44528 497609 72963 0 3 0x4000080 fsleep syz-executor 36387 454002 84410 0 3 0x2 biowait syz-executor 7280 43914 0 0 3 0x14200 acct acct 63994 447542 84410 0 3 0x82 nanoslp syz-executor 86774 109279 84410 0 3 0x82 nanoslp syz-executor 82037 13460 0 0 3 0x14280 nfsidl nfsio 54379 482444 0 0 3 0x14280 nfsidl nfsio 92469 270809 0 0 3 0x14280 nfsidl nfsio 18223 387356 0 0 3 0x14280 nfsidl nfsio 51527 76441 0 0 3 0x14280 nfsidl nfsio 82365 482633 0 0 3 0x14280 nfsidl nfsio 89550 190042 0 0 3 0x14280 nfsidl nfsio 71076 512828 0 0 3 0x14280 nfsidl nfsio 97482 345630 0 0 3 0x14280 nfsidl nfsio 91888 408917 0 0 3 0x14280 nfsidl nfsio 53490 63135 0 0 3 0x14280 nfsidl nfsio 71659 226412 0 0 3 0x14280 nfsidl nfsio 62771 136646 0 0 3 0x14280 nfsidl nfsio 75147 321520 0 0 3 0x14280 nfsidl nfsio 10308 72068 0 0 3 0x14280 nfsidl nfsio 19782 236809 0 0 3 0x14280 nfsidl nfsio 14721 366763 0 0 3 0x14280 nfsidl nfsio 43798 395643 0 0 3 0x14280 nfsidl nfsio 41297 502096 0 0 3 0x14280 nfsidl nfsio 12329 337022 0 0 3 0x14280 nfsidl nfsio 60284 44545 84410 0 3 0x82 nanoslp syz-executor 98533 154232 1 0 3 0x100083 ttyin getty 25717 420664 84410 0 3 0x82 nanoslp syz-executor 96430 230726 0 0 3 0x14200 bored sosplice 84164 54894 84410 0 3 0x82 nanoslp syz-executor 72963 35039 84410 0 3 0x82 nanoslp syz-executor 71092 368346 84410 0 3 0x82 nanoslp syz-executor 84410 372833 645 0 3 0x82 kqread syz-executor 645 101232 86633 0 3 0x10008a sigsusp ksh 86633 45583 54324 0 3 0x98 kqread sshd-session 54324 284147 65463 0 3 0x92 kqread sshd-session 65463 307354 1 0 3 0x88 kqread sshd 98093 137962 10412 74 3 0x1100092 bpf pflogd 10412 489954 1 0 3 0x80 sbwait pflogd 38898 70573 10273 73 3 0x1100090 kqread syslogd 10273 315718 1 0 3 0x100082 sbwait syslogd 31546 129263 1 0 3 0x100080 kqread resolvd 38028 122120 17793 77 3 0x100092 kqread dhcpleased 13196 61062 17793 77 3 0x100092 kqread dhcpleased 17793 16652 1 0 3 0x80 kqread dhcpleased 47867 24457 0 0 3 0x14200 bored smr 11208 395154 0 0 2 0x14200 zerothread 63717 356509 0 0 3 0x14200 aiodoned aiodoned 6610 161190 0 0 3 0x14200 syncer update 32056 431826 0 0 3 0x14200 cleaner cleaner 5862 357975 0 0 3 0x14200 reaper reaper 40678 63807 0 0 3 0x14200 pgdaemon pagedaemon 17133 109006 0 0 3 0x14200 bored viomb 8175 327612 0 0 3 0x40014200 acpi0 acpi0 83120 131403 0 0 3 0x40014200 idle1 96970 386329 0 0 3 0x14200 bored softnet7 23198 131646 0 0 3 0x14200 bored softnet6 61793 148245 0 0 3 0x14200 bored softnet5 92998 356205 0 0 3 0x14200 bored softnet4 94619 465836 0 0 3 0x14200 bored softnet3 68615 234233 0 0 3 0x14200 bored softnet2 53384 65706 0 0 3 0x14200 bored softnet1 19294 127120 0 0 2 0x14200 softnet0 7619 460264 0 0 2 0x40014200 systqmp 24093 411785 0 0 3 0x14200 bored systq 52045 193293 0 0 3 0x14200 tmoslp softclockmp 4674 346918 0 0 3 0x40014200 tmoslp softclock 60908 66878 0 0 3 0x40014200 idle0 1 234722 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 67852 (syz-executor) thread 0xffff80002a35e550 (493030) exclusive rwlock uobjlk r = 0 (0xfffffd806c7b48d8) #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+0x42b sys/kern/kern_rwlock.c:319 #2 uvm_fault_lower_lookup+0x53 sys/uvm/uvm_fault.c:1236 #3 uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1370 #4 uvm_fault+0x278 sys/uvm/uvm_fault.c:-1 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x403 sys/arch/amd64/amd64/trap.c:605 #7 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806b9784e8) #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_read+0x3e8 sys/kern/kern_rwlock.c:412 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1924 #3 uvm_fault_check+0x4a sys/uvm/uvm_fault.c:741 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:677 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x403 sys/arch/amd64/amd64/trap.c:605 #7 recall_trap+0x8 Process 36387 (syz-executor) thread 0xffff80002a35f4b0 (454002) exclusive rrwlock inode r = 0 (0xfffffd806e061a40) #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+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #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:1203 #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:748 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd805dbd0da8) #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+0x42b sys/kern/kern_rwlock.c:319 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1864 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10236 11077K 11633K 166960K 15884 0 pcb 17 15K 16K 166960K 456 0 rtable 206 11K 13K 166960K 859 0 pf 42 19K 82K 166960K 337 0 ifaddr 42 7K 9K 166960K 197 0 ifgroup 64 2K 2K 166960K 335 0 sysctl 4 1K 9K 166960K 23 0 counters 74 37K 38K 166960K 486 0 ioctlops 0 0K 4K 166960K 2073 0 iov 0 0K 28K 166960K 287 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1502 94K 95K 166960K 4389 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 10K 14K 166960K 51 0 VM map 2 1K 1K 166960K 2 0 sem 27 6K 6K 166960K 40 0 dirhash 12 2K 3K 166960K 63 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 2804 0 sigio 1 0K 0K 166960K 162 0 proc 73 115K 179K 166960K 1070 0 subproc 72 4K 4K 166960K 158 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 402 0 in_multi 73 5K 7K 166960K 293 0 ether_multi 1 0K 0K 166960K 21 0 mrt 3 0K 0K 166960K 22 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 121 546K 546K 166960K 121 0 exec 0 0K 1K 166960K 938 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 10 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 255 160K 183K 166960K 27258 0 UVM aobj 81 5K 8K 166960K 90 0 pinsyscall 42 84K 106K 166960K 4146 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 144 0 NDP 14 0K 2K 166960K 138 0 temp 79 8684K 8812K 166960K 117398 0 kqueue 13 20K 33K 166960K 528 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 120 226 0 222 1 0 1 1 0 8 0 rtentry 176 272 0 198 5 0 5 5 0 8 1 unpcb 144 1759 0 1739 7 5 2 4 0 8 1 syncache 336 20 0 20 4 3 1 1 0 8 1 tcpqe 32 5 0 5 4 3 1 1 0 8 1 tcpcb 736 896 0 887 14 12 2 7 0 8 1 arp 128 35 0 22 1 0 1 1 0 8 0 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 3 0 3 1 1 0 1 0 8 0 inpcb 328 3067 0 3052 31 21 10 13 0 8 8 nd6 144 45 0 32 1 0 1 1 0 8 0 pkpcb 40 26 0 26 6 5 1 1 0 8 1 kcovpl 48 17 0 9 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1192 173 0 172 3 2 1 1 0 8 0 pppxif 1504 10 0 9 6 5 1 1 0 8 0 pfstscr 40 8 0 8 3 3 0 1 0 8 0 pffrag 232 14 0 8 1 0 1 1 0 482 0 pffrnode 88 14 0 8 1 0 1 1 0 8 0 pffrent 40 26 0 19 1 0 1 1 0 8 0 pfosfp 40 1430 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1430 0 714 21 0 21 21 0 8 0 pfrktable 1344 6 0 6 1 1 0 1 0 8 0 pfanchor 1288 4 0 2 1 0 1 1 0 8 0 pftag 88 4 0 2 1 0 1 1 0 8 0 pfqueue 320 3 0 3 3 3 0 1 0 8 0 pfstitem 24 148 0 65 1 0 1 1 0 8 0 pfstkey 128 157 0 74 3 0 3 3 0 8 0 pfstate 384 154 0 72 9 0 9 9 0 8 0 pfrule 1344 80 0 75 3 2 1 2 0 8 0 rttmr 136 5 0 5 2 1 1 1 0 8 1 art_heap8 4096 5 0 1 5 1 4 4 0 8 0 art_heap4 256 1257 0 934 35 12 23 29 0 8 0 art_table 40 1262 0 935 5 0 5 5 0 8 0 art_node 32 269 0 210 1 0 1 1 0 8 0 sysvmsgpl 40 55 0 43 1 0 1 1 0 8 0 semupl 112 5 0 5 3 3 0 1 0 8 0 semapl 112 34 0 9 1 0 1 1 0 8 0 shmpl 112 87 0 9 3 0 3 3 0 8 0 dirhash 1024 51 0 34 3 0 3 3 0 8 0 dino2pl 256 6618 0 5094 96 0 96 96 0 8 0 ffsino 296 6618 0 5094 119 1 118 118 0 8 0 nchpl 144 10351 0 8632 64 0 64 64 0 8 0 rtmask 32 29 0 29 5 4 1 1 0 8 1 uvmvnodes 80 6263 0 0 128 0 128 128 0 8 0 vnodes 216 6263 0 0 348 0 348 348 0 8 0 namei 1024 37034 0 37034 4 3 1 2 0 8 1 percpumem 16 258 0 206 1 0 1 1 0 8 0 pfiaddrpl 120 2 0 2 1 1 0 1 0 8 0 kstatmem 264 210 0 178 4 1 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 9 0 9 4 3 1 1 0 8 1 scxspl 216 77215 0 77214 14 13 1 8 1 8 0 plimitpl 152 981 0 962 1 0 1 1 0 8 0 sigapl 424 3098 0 3023 9 0 9 9 0 8 0 knotepl 120 682 0 0 21 0 21 21 0 8 0 kqueuepl 224 970 0 960 8 5 3 3 0 8 2 pipepl 344 522 0 494 18 12 6 9 0 8 3 fdescpl 528 3046 0 3015 3 0 3 3 0 8 0 filepl 160 21199 0 20970 27 13 14 17 0 8 2 lockfpl 104 2132 0 2128 6 5 1 2 0 8 0 lockfspl 48 861 0 857 1 0 1 1 0 8 0 sessionpl 144 44 0 35 1 0 1 1 0 8 0 pgrppl 48 105 0 88 1 0 1 1 0 8 0 ucredpl 104 3325 0 3312 1 0 1 1 0 8 0 zombiepl 144 3491 0 3489 1 0 1 1 0 8 0 processpl 1248 3098 0 3023 7 0 7 7 0 8 0 procpl 656 7614 0 7531 9 0 9 9 0 8 1 sosppl 168 12 0 12 3 3 0 1 0 8 0 sockpl 752 5136 0 5097 35 22 13 17 0 8 8 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 126 0 0 16 0 16 16 0 8 0 mcl2k 2048 64 0 0 7 0 7 7 0 8 0 mtagpl 96 106 0 0 3 0 3 3 0 8 0 mbufpl 256 1273 0 0 77 0 77 77 0 8 0 bufpl 280 32261 0 25928 453 0 453 453 0 8 0 anonpl 32 17740 0 0 144 1 143 144 0 246 0 amapchunkpl 152 93784 0 93222 48 16 32 32 0 158 7 amappl16 200 11865 0 11829 109 91 18 46 0 8 8 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 153 0 141 1 0 1 1 0 8 0 amappl13 176 12 0 12 2 2 0 1 0 8 0 amappl12 168 3847 0 3815 4 1 3 3 0 8 0 amappl11 160 54 0 39 1 0 1 1 0 8 0 amappl10 152 18 0 17 2 1 1 1 0 8 0 amappl9 144 253 0 253 1 1 0 1 0 8 0 amappl8 136 29 0 25 1 0 1 1 0 8 0 amappl7 128 168 0 155 1 0 1 1 0 8 0 amappl6 120 281 0 278 1 0 1 1 0 8 0 amappl5 112 165 0 155 1 0 1 1 0 8 0 amappl4 104 355 0 333 1 0 1 1 0 8 0 amappl3 96 18872 0 18747 4 0 4 4 0 8 0 amappl2 88 869 0 806 2 0 2 2 0 8 0 amappl1 80 22226 0 21619 15 0 15 15 0 8 0 amappl 88 25902 0 25720 5 0 5 5 0 92 0 dma16384 16384 1 0 1 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 2 0 2 2 2 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 128 254 0 254 2 2 0 1 0 8 0 dma64 64 9 0 9 4 4 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 21 0 20 1 0 1 1 0 8 0 aobjpl 72 89 0 9 2 0 2 2 0 8 0 uaddrrnd 24 3046 0 3015 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3046 0 3015 1 0 1 1 0 8 0 vmmpekpl 168 25114 0 25053 4 0 4 4 0 8 0 vmmpepl 168 198973 0 196935 139 31 108 127 0 357 6 vmsppl 488 3045 0 3015 5 0 5 5 0 8 0 rwobjpl 80 59541 0 52220 162 4 158 158 0 8 2 pdppl 4096 6099 0 6030 125 54 71 87 0 8 2 pvpl 32 24677 0 0 200 0 200 200 0 265 0 pmappl 256 3045 0 3015 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 400 0 91 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff838aeff0) 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(ffffffff83954f30) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83954f30) at __mp_lock+0x192 sys/kern/kern_lock.c:165 softintr_dispatch(2) at softintr_dispatch+0x12a sys/kern/kern_softintr.c:83 dosoftint(2) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsofttty() at Xsofttty+0x27 __mp_lock(ffffffff83954f30) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83954f30) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a3732c0,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83954f30) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83954f30) at __mp_lock+0x199 sys/kern/kern_lock.c:165 uvm_fault(fffffd806b9783e8,8199f8ef000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:700 upageflttrap(ffff80002a373650,8199f8ef000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80002a373650) at usertrap+0x403 sys/arch/amd64/amd64/trap.c:605 end trace frame: 0xffff80002a3736d0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff838aeff0) 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(ffffffff83954f30) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83954f30) at __mp_lock+0x192 sys/kern/kern_lock.c:165 softintr_dispatch(2) at softintr_dispatch+0x12a sys/kern/kern_softintr.c:83 dosoftint(2) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsofttty() at Xsofttty+0x27 __mp_lock(ffffffff83954f30) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83954f30) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a3732c0,ffff800000079a80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83954f30) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83954f30) at __mp_lock+0x199 sys/kern/kern_lock.c:165 uvm_fault(fffffd806b9783e8,8199f8ef000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:700 upageflttrap(ffff80002a373650,8199f8ef000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80002a373650) at usertrap+0x403 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7cc15ad41e10, count: -15 ddb{0}> machine ddbcpu 1 Stopped at proc_trampoline+0xc7: movl $0,%gs:0x688 proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7c66d1d73af0, count: 14 ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7c66d1d73af0, count: -1