uvm_fault(0xfffffd800efd39b0, 0x0, 0, 1) -> e fatal page fault in supervisor mode trap type 6 code 0 rip ffffffff812084c8 cs 8 rflags 10207 cr2 0 cpl 0 rsp ffff800035c0f9b0 gsbase 0xffff8000299edff0 kgsbase 0x0 panic: trap type 6, code=0, pc=ffffffff812084c8 Starting stack trace... panic(ffffffff833a6674) at panic+0x1d0 sys/kern/subr_prf.c:229 kerntrap(ffff800035c0f900) at kerntrap+0x30b alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff800001529000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,41,2000,ffff80002a2a2548) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,41,2000,ffff80002a2a2548) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff800035c0fab0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8067de6460,41,fffffd80097fb208,ffff80002a2a2548) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8061a542f0,ffff80002a2a2548) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8061a542f0,ffff80002a2a2548) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8061a542f0,ffff80002a2a2548) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8061a542f0,ffff80002a2a2548) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a2a2548) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a2a2548,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a2a2548,ffff800035c0fe20,ffff800035c0fd70) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800035c0fe20) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035c0fe20) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b9934fd31c0, count: 242 End of stack trace. WARNING: SPL NOT LOWERED ON SYSCALL 91 92573736 EXIT 0 4 Stopped at savectx+0xae: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND *457630 72457 0 0x2 0 1 syz-executor 391552 37568 0 0x2 0 0 syz-executor savectx() at savectx+0xae end of kernel end trace frame: 0x71a305849010, 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(0xfffffd800efd39b0, 0x0, 0, 1) -> e ddb{1}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x71a305849010, count: -1 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002a37d530 rbx 0 rdx 0 rcx 0xffff8000ffff3c98 rax 0x39 r8 0xffff80002a37d460 r9 0x1 r10 0x35184e96818f1640 r11 0x75ec1f613b86f20 r12 0 r13 0 r14 0xffff8000ffff3c98 r15 0 rip 0xffffffff8229c3ee savectx+0xae cs 0x8 rflags 0x46 rsp 0xffff80002a37d4b0 ss 0x10 savectx+0xae: movl $0,%gs:0x688 ddb{1}> show proc PROC (syz-executor) tid=457630 pid=72457 tcnt=1 stat=onproc flags process=2 proc=0 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a2a3a08,0xffff8000ffff2a80 process=0xffff80002a3075b8 user=0xffff80002a378000, vmspace=0xfffffd800b027988 estcpu=36, cpticks=264, pctcpu=1.55, user=2, sys=261, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 84 135719 97139 0 2 0 syz-executor 19518 307640 0 0 3 0x14280 nfsidl nfsio 74961 437269 0 0 3 0x14280 nfsidl nfsio 95348 172972 0 0 3 0x14280 nfsidl nfsio 84888 26357 0 0 3 0x14280 nfsidl nfsio 90776 76262 0 0 3 0x14280 nfsidl nfsio 64031 159374 0 0 3 0x14280 nfsidl nfsio 16420 70818 0 0 3 0x14280 nfsidl nfsio 73722 248103 0 0 3 0x14280 nfsidl nfsio 3773 313532 0 0 3 0x14280 nfsidl nfsio 38155 314354 0 0 3 0x14280 nfsidl nfsio 58867 41766 0 0 3 0x14280 nfsidl nfsio 89501 74074 0 0 3 0x14280 nfsidl nfsio 59387 383606 0 0 3 0x14280 nfsidl nfsio 57873 296004 0 0 3 0x14280 nfsidl nfsio 25529 203752 0 0 3 0x14280 nfsidl nfsio 77972 172754 0 0 3 0x14280 nfsidl nfsio 34727 174923 0 0 3 0x14280 nfsidl nfsio 90931 280680 0 0 3 0x14280 nfsidl nfsio 78875 88399 0 0 3 0x14280 nfsidl nfsio 58449 85591 0 0 3 0x14280 nfsidl nfsio 39185 168220 19512 -1 3 0x90 nanoslp syz-executor 39185 260496 19512 -1 3 0x4000090 kqread syz-executor 39185 292439 19512 -1 3 0x4000090 fsleep syz-executor 39185 369056 19512 -1 3 0x4000090 fsleep syz-executor 69537 234163 37568 0 2 0 syz-executor 69537 180106 37568 0 3 0x4000080 fsleep syz-executor 69537 306096 37568 0 3 0x4000080 fsleep syz-executor 97334 20122 72457 0 3 0x80 nanoslp syz-executor 97334 84435 72457 0 3 0x4000080 ttyout syz-executor 97334 104481 72457 0 3 0x4000080 fsleep syz-executor 69913 214887 1 0 3 0x100083 ttyin getty 64616 489239 0 0 3 0x14200 bored sosplice 5619 454387 40354 0 3 0x2 biowait syz-executor 70676 376821 40354 0 3 0x2 biowait syz-executor 97139 41571 40354 0 3 0x82 nanoslp syz-executor 73509 16132 40354 0 2 0xc82 syz-executor *72457 457630 40354 0 7 0x2 syz-executor 19512 230947 40354 0 3 0x82 nanoslp syz-executor 37568 391552 40354 0 7 0x2 syz-executor 47553 103570 40354 0 3 0x82 nanoslp syz-executor 40354 166817 16786 0 3 0x82 kqread syz-executor 16786 124040 5878 0 3 0x10008a sigsusp ksh 5878 66565 71562 0 3 0x98 kqread sshd-session 71562 496207 20237 0 3 0x92 kqread sshd-session 20237 334204 1 0 3 0x88 kqread sshd 87483 419467 99083 74 3 0x1100092 bpf pflogd 99083 137884 1 0 3 0x80 sbwait pflogd 49805 475276 8413 73 3 0x1100090 kqread syslogd 8413 183682 1 0 3 0x100082 sbwait syslogd 78330 163304 1 0 3 0x100080 kqread resolvd 68868 169168 797 77 3 0x100092 kqread dhcpleased 96490 306374 797 77 3 0x100092 kqread dhcpleased 797 457764 1 0 3 0x80 kqread dhcpleased 55418 472684 0 0 3 0x14200 bored smr 94011 3451 0 0 2 0x14200 zerothread 54170 217113 0 0 3 0x14200 aiodoned aiodoned 13354 210617 0 0 3 0x14200 syncer update 66105 175951 0 0 3 0x14200 cleaner cleaner 92261 155689 0 0 2 0x14200 reaper 84925 210802 0 0 3 0x14200 pgdaemon pagedaemon 4371 112561 0 0 3 0x14200 bored viomb 16702 485793 0 0 3 0x40014200 acpi0 acpi0 85523 506982 0 0 3 0x40014200 idle1 63663 198247 0 0 3 0x14200 bored softnet7 91396 311155 0 0 3 0x14200 bored softnet6 37166 374159 0 0 3 0x14200 bored softnet5 84649 112220 0 0 3 0x14200 bored softnet4 3552 277623 0 0 3 0x14200 bored softnet3 53481 496565 0 0 3 0x14200 bored softnet2 96011 439914 0 0 3 0x14200 bored softnet1 24754 422794 0 0 3 0x14200 netlock softnet0 15186 408646 0 0 2 0x40014200 systqmp 80450 112597 0 0 3 0x14200 bored systq 28248 356561 0 0 3 0x14200 tmoslp softclockmp 72647 159263 0 0 3 0x40014200 tmoslp softclock 12071 419549 0 0 3 0x40014200 idle0 1 495898 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 5619 (syz-executor) thread 0xffff8000ffff3238 (454387) exclusive rrwlock inode r = 0 (0xfffffd806e9daa18) #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 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:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c0256a0) #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 70676 (syz-executor) thread 0xffff8000ffff34d0 (376821) exclusive rrwlock inode r = 0 (0xfffffd8070b26370) #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 vget+0x2a2 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+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b97c208) #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 vget+0x2a2 sys/kern/vfs_subr.c:693 #6 cache_lookup+0x351 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #10 namei+0x7ca sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #13 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10249 11257K 12519K 166960K 13001 0 pcb 17 14K 16K 166960K 280 0 rtable 186 7K 8K 166960K 407 0 pf 39 18K 67485K 166960K 128 0 ifaddr 40 7K 8K 166960K 84 0 ifgroup 56 2K 3K 166960K 142 0 sysctl 4 1K 9K 166960K 10 0 counters 70 37K 37K 166960K 154 0 ioctlops 0 0K 4K 166960K 1708 0 iov 1 0K 44K 166960K 61 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1500 94K 94K 166960K 2356 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 9 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 30 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 240K 166960K 947 0 sigio 0 0K 0K 166960K 85 0 proc 72 115K 180K 166960K 627 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 111 0 in_multi 84 6K 7K 166960K 134 0 ether_multi 1 0K 0K 166960K 5 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 485 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 236 168K 182K 166960K 10230 0 UVM aobj 23 2K 2K 166960K 26 0 pinsyscall 41 82K 106K 166960K 2019 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 28 0 NDP 12 0K 2K 166960K 56 0 temp 62 8647K 8718K 166960K 48310 0 kqueue 14 22K 28K 166960K 182 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 85 0 80 1 0 1 1 0 8 0 rtentry 176 120 0 44 5 0 5 5 0 8 0 unpcb 144 604 0 587 5 4 1 3 0 8 0 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpcb 736 287 0 283 7 6 1 7 0 8 0 arp 128 13 0 4 1 0 1 1 0 8 0 inpcb 328 1008 0 1000 7 5 2 7 0 8 0 nd6 144 22 0 6 1 0 1 1 0 8 0 pkpcb 40 7 0 7 4 4 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 33 0 31 3 2 1 1 0 8 0 pppxif 1504 5 0 5 3 3 0 1 0 8 0 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pffrag 232 16 0 6 1 0 1 1 0 482 0 pffrnode 88 13 0 4 1 0 1 1 0 8 0 pffrent 40 23 0 13 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 1 0 1 1 1 0 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 69 0 21 1 0 1 1 0 8 0 pfstkey 128 71 0 24 2 0 2 2 0 8 0 pfstate 384 68 0 22 5 0 5 5 0 8 0 pfrule 1344 28 0 21 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 508 0 136 28 2 26 28 0 8 0 art_table 40 510 0 136 5 0 5 5 0 8 0 art_node 32 119 0 52 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 9 4 4 0 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 27 0 17 1 0 1 1 0 8 0 shmpl 112 23 0 3 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 3142 0 1628 95 0 95 95 0 8 0 ffsino 296 3142 0 1628 117 0 117 117 0 8 0 nchpl 144 4542 0 3946 64 40 24 64 0 8 0 rtmask 32 3 0 3 1 1 0 1 0 8 0 uvmvnodes 80 3857 0 0 79 0 79 79 0 8 0 vnodes 216 3857 0 0 215 0 215 215 0 8 0 namei 1024 15040 0 15039 3 2 1 2 0 8 0 percpumem 16 92 0 42 1 0 1 1 0 8 0 kstatmem 264 82 0 56 3 1 2 3 0 8 0 scsiplug 72 7 0 7 2 2 0 1 0 8 0 scxspl 216 30021 0 30019 11 10 1 8 1 8 0 plimitpl 152 254 0 236 1 0 1 1 0 8 0 sigapl 424 1254 0 1181 9 0 9 9 0 8 0 knotepl 120 560 0 0 17 0 17 17 0 8 0 kqueuepl 224 298 0 285 2 1 1 2 0 8 0 pipepl 344 311 0 284 12 9 3 9 0 8 0 fdescpl 528 1210 0 1180 3 0 3 3 0 8 0 filepl 160 7729 0 7503 26 14 12 17 0 8 1 lockfpl 104 772 0 768 2 1 1 2 0 8 0 lockfspl 48 307 0 303 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 38 0 21 1 0 1 1 0 8 0 ucredpl 104 1268 0 1254 1 0 1 1 0 8 0 zombiepl 144 1190 0 1188 2 1 1 1 0 8 0 processpl 1248 1254 0 1181 6 0 6 6 0 8 0 procpl 664 2659 0 2578 9 1 8 8 0 8 0 sosppl 168 6 0 6 2 2 0 1 0 8 0 sockpl 752 1726 0 1696 17 13 4 11 0 8 0 mcl64k 65536 18 0 0 3 0 3 3 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 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 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 42 0 0 5 0 5 5 0 8 0 mtagpl 96 31 0 0 1 0 1 1 0 8 0 mbufpl 256 1198 0 0 75 0 75 75 0 8 0 bufpl 280 12566 0 6423 439 0 439 439 0 8 0 anonpl 32 12298 0 0 100 0 100 100 0 246 0 amapchunkpl 152 33295 0 32651 41 12 29 29 0 158 1 amappl16 200 5123 0 5088 39 27 12 28 0 8 0 amappl15 192 5 0 4 1 0 1 1 0 8 0 amappl14 184 115 0 103 1 0 1 1 0 8 0 amappl13 176 4 0 4 1 1 0 1 0 8 0 amappl12 168 1855 0 1826 3 1 2 2 0 8 0 amappl11 160 47 0 33 1 0 1 1 0 8 0 amappl10 152 32 0 32 1 1 0 1 0 8 0 amappl9 144 249 0 249 1 1 0 1 0 8 0 amappl8 136 19 0 16 1 0 1 1 0 8 0 amappl7 128 125 0 113 1 0 1 1 0 8 0 amappl6 120 210 0 206 1 0 1 1 0 8 0 amappl5 112 130 0 120 1 0 1 1 0 8 0 amappl4 104 300 0 280 1 0 1 1 0 8 0 amappl3 96 6727 0 6623 5 1 4 4 0 8 0 amappl2 88 663 0 601 2 0 2 2 0 8 0 amappl1 80 11899 0 11293 15 0 15 15 0 8 0 amappl 88 9417 0 9253 5 0 5 5 0 92 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 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 25 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1210 0 1180 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1210 0 1180 1 0 1 1 0 8 0 vmmpekpl 168 11718 0 11680 3 0 3 3 0 8 0 vmmpepl 168 82670 0 80717 114 14 100 111 0 357 1 vmsppl 488 1209 0 1180 6 1 5 5 0 8 0 rwobjpl 80 28278 0 23457 101 2 99 100 0 8 0 pdppl 4096 2427 0 2360 107 36 71 85 0 8 4 pvpl 32 18733 0 0 152 0 152 152 0 265 0 pmappl 256 1209 0 1180 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 355 0 52 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83827ff0) 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(ffffffff8394fb18) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8394fb18) at __mp_lock+0x192 sys/kern/kern_lock.c:165 softintr_dispatch(2) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(2) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsofttty() at Xsofttty+0x27 __mp_lock(ffffffff8394fb18) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8394fb18) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a341530,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff8394fb18) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8394fb18) at __mp_lock+0x199 sys/kern/kern_lock.c:165 syscall(ffff80002a341700) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff80002a341700) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x768c75793ab0, count: 2 ddb{0}> trace x86_ipi_db(ffffffff83827ff0) 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(ffffffff8394fb18) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8394fb18) at __mp_lock+0x192 sys/kern/kern_lock.c:165 softintr_dispatch(2) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(2) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsofttty() at Xsofttty+0x27 __mp_lock(ffffffff8394fb18) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8394fb18) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a341530,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff8394fb18) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8394fb18) at __mp_lock+0x199 sys/kern/kern_lock.c:165 syscall(ffff80002a341700) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff80002a341700) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x768c75793ab0, count: -13 ddb{0}> machine ddbcpu 1 Stopped at savectx+0xae: movl $0,%gs:0x688 savectx() at savectx+0xae end of kernel end trace frame: 0x71a305849010, count: 14 ddb{1}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x71a305849010, count: -1