uvm_fault(0xfffffd806f61c990, 0x0, 0, 1) -> e fatal page fault in supervisor mode trap type 6 code 0 rip ffffffff8150da58 cs 8 rflags 10207 cr2 0 cpl 0 rsp ffff80002a3284b0 gsbase 0xffff8000299ddff0 kgsbase 0x0 panic: trap type 6, code=0, pc=ffffffff8150da58 Starting stack trace... panic(ffffffff833e72a4) at panic+0x1d0 sys/kern/subr_prf.c:229 kerntrap(ffff80002a328400) at kerntrap+0x30b alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff8000016bb000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff800033fcefb8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff800033fcefb8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002a3285b0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f707538,81,fffffd80097fd6e8,ffff800033fcefb8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806a95ae08,ffff800033fcefb8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806a95ae08,ffff800033fcefb8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806a95ae08,ffff800033fcefb8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806a95ae08,ffff800033fcefb8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800033fcefb8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800033fcefb8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800033fcefb8,ffff80002a328920,ffff80002a328870) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a328920) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a328920) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79660a780b30, count: 242 End of stack trace. WARNING: SPL NOT LOWERED ON SYSCALL 97 1 EXIT 0 4 Stopped at savectx+0xae: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND *393646 30068 0 0 0x4000000 1 syz-executor 520040 51016 60928 0x1010 0x4080000 0 syz-executor savectx() at savectx+0xae end of kernel end trace frame: 0x4da982c8860, 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(0xfffffd806f61c990, 0x0, 0, 1) -> e ddb{1}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x4da982c8860, count: -1 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002a38a960 rbx 0 rdx 0 rcx 0xffff800033fce028 rax 0x32 r8 0xffff80002a38a890 r9 0x1 r10 0x1a1aeb4da6f4c75d r11 0xd2a96e3766a5d4d5 r12 0 r13 0 r14 0xffff800033fce028 r15 0 rip 0xffffffff8287f3ee savectx+0xae cs 0x8 rflags 0x46 rsp 0xffff80002a38a8e0 ss 0x10 savectx+0xae: movl $0,%gs:0x688 ddb{1}> show proc PROC (syz-executor) tid=393646 pid=30068 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=86, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c45ca98,0xffff80003c4a9268 process=0xffff8000ffff1350 user=0xffff80002a385000, vmspace=0xfffffd800dd479a8 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 5814 459090 6002 0 2 0 syz-executor 55945 28971 79500 0 2 0 syz-executor 55945 187359 79500 0 3 0x4000080 ttyout syz-executor 55945 274972 79500 0 3 0x4000080 ttyout syz-executor 30068 358685 23619 0 3 0x80 nanoslp syz-executor 30068 289581 23619 0 3 0x4000080 fsleep syz-executor 30068 110788 23619 0 3 0x4000080 fsleep syz-executor *30068 393646 23619 0 7 0x4000000 syz-executor 51016 433057 72739 60928 3 0x3010 suspend syz-executor 51016 520040 72739 60928 7 0x4081010 syz-executor 51016 271332 72739 60928 3 0x4081010 inode syz-executor 51016 490508 72739 60928 3 0x4081010 inode syz-executor 51016 496916 72739 60928 3 0x4081010 inode syz-executor 79500 129058 73333 0 3 0x82 nanoslp syz-executor 72483 458680 73333 0 2 0x2 syz-executor 93553 342688 1 0 3 0x100083 ttyin getty 22131 498050 0 0 3 0x14200 acct acct 32621 219841 73333 0 3 0x82 nanoslp syz-executor 23619 206622 73333 0 3 0x82 nanoslp syz-executor 54816 490193 0 0 3 0x14280 nfsidl nfsio 78355 58696 0 0 3 0x14280 nfsidl nfsio 71527 203889 0 0 3 0x14280 nfsidl nfsio 90559 324653 0 0 3 0x14280 nfsidl nfsio 21456 350224 0 0 3 0x14280 nfsidl nfsio 38600 296214 0 0 3 0x14280 nfsidl nfsio 14121 310998 0 0 3 0x14280 nfsidl nfsio 36130 348944 0 0 3 0x14280 nfsidl nfsio 18642 405789 0 0 3 0x14280 nfsidl nfsio 83365 172524 0 0 3 0x14280 nfsidl nfsio 79533 139322 0 0 3 0x14280 nfsidl nfsio 51739 42328 0 0 3 0x14280 nfsidl nfsio 75026 87130 0 0 3 0x14280 nfsidl nfsio 84489 93253 0 0 3 0x14280 nfsidl nfsio 13318 239158 0 0 3 0x14280 nfsidl nfsio 77870 27829 0 0 3 0x14280 nfsidl nfsio 41931 11345 0 0 3 0x14280 nfsidl nfsio 6928 348834 0 0 3 0x14280 nfsidl nfsio 57178 88344 0 0 3 0x14280 nfsidl nfsio 60492 73552 0 0 3 0x14280 nfsidl nfsio 24584 443771 60914 0 3 0x82 sbwait sshd-session 18055 333549 73333 0 3 0x2 biowait syz-executor 72739 98311 73333 0 3 0x82 nanoslp syz-executor 6002 417869 73333 0 3 0x82 nanoslp syz-executor 88232 274557 73333 0 2 0x2 syz-executor 73333 208164 48381 0 3 0x82 kqread syz-executor 48381 124249 21985 0 3 0x10008a sigsusp ksh 21985 6606 63724 0 3 0x98 kqread sshd-session 63724 282867 60914 0 3 0x92 kqread sshd-session 60914 56190 1 0 3 0x88 kqread sshd 81250 192748 6279 74 3 0x1100092 bpf pflogd 6279 91636 1 0 3 0x80 sbwait pflogd 87642 125267 21235 73 3 0x1100090 kqread syslogd 21235 402910 1 0 3 0x100082 sbwait syslogd 40456 164071 1 0 3 0x100080 kqread resolvd 58955 378042 58271 77 3 0x100092 kqread dhcpleased 44533 476412 58271 77 3 0x100092 kqread dhcpleased 58271 522576 1 0 3 0x80 kqread dhcpleased 67018 232899 0 0 3 0x14200 bored smr 42949 408147 0 0 2 0x14200 zerothread 78921 363314 0 0 3 0x14200 aiodoned aiodoned 64334 132075 0 0 3 0x14200 syncer update 10235 425008 0 0 3 0x14200 cleaner cleaner 88175 413618 0 0 3 0x14200 reaper reaper 69263 292143 0 0 3 0x14200 pgdaemon pagedaemon 2429 64554 0 0 3 0x14200 bored viomb 73169 250962 0 0 3 0x40014200 acpi0 acpi0 47890 350068 0 0 3 0x40014200 idle1 41726 69018 0 0 3 0x14200 bored softnet1 32552 82473 0 0 3 0x14200 netlock softnet0 28931 49012 0 0 2 0x40014200 systqmp 22752 409626 0 0 3 0x14200 bored systq 65161 260426 0 0 3 0x14200 tmoslp softclockmp 96825 241666 0 0 3 0x40014200 tmoslp softclock 29928 257798 0 0 3 0x40014200 idle0 1 445475 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 30068 (syz-executor) thread 0xffff800033fce028 (393646) exclusive rwlock unix r = 0 (0xffff800010fd55d0) #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 socreate+0x214 pru_attach sys/sys/protosw.h:-1 [inline] #2 socreate+0x214 sys/kern/uipc_socket.c:220 #3 sys_socket+0x124 sys/kern/uipc_syscalls.c:102 #4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #5 Xsyscall+0x128 Process 51016 (syz-executor) thread 0xffff800039ff94e0 (520040) exclusive rrwlock inode r = 0 (0xfffffd806e8f9b08) #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+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 51016 (syz-executor) thread 0xffff8000ffffc008 (496916) exclusive rrwlock inode r = 0 (0xfffffd806e7a2790) #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+0xbd 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 domknodat+0xb4 sys/kern/vfs_syscalls.c:1592 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 72483 (syz-executor) thread 0xffff80003c45c2d0 (458680) exclusive rwlock vmmaplk r = 0 (0xfffffd800dd47c90) #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:5165 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3746 #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:775 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd806c96b8b8) #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:5165 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3737 #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:775 #7 Xsyscall+0x128 Process 18055 (syz-executor) thread 0xffff8000fffeed10 (333549) exclusive rrwlock inode r = 0 (0xfffffd806dc02a00) #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+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #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:775 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e9a6b70) #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+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #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:775 #13 Xsyscall+0x128 Process 88232 (syz-executor) thread 0xffff8000ffffcf98 (274557) exclusive rwlock vmmaplk r = 0 (0xfffffd800dd478c0) #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:5165 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3746 #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:775 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd800b063a88) #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:5165 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3737 #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:775 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11112 12272K 12376K 166960K 13130 0 pcb 19 18K 24K 166960K 435 0 rtable 197 7K 9K 166960K 606 0 pf 38 18K 23K 166960K 134 0 ifaddr 36 6K 7K 166960K 95 0 ifgroup 52 2K 2K 166960K 129 0 sysctl 4 1K 9K 166960K 13 0 counters 68 36K 38K 166960K 142 0 ioctlops 0 0K 4K 166960K 1770 0 iov 0 0K 16K 166960K 49 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1399 88K 89K 166960K 2164 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 6K 166960K 13 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 50 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 1105 0 sigio 0 0K 0K 166960K 17 0 proc 72 115K 164K 166960K 731 0 subproc 72 4K 4K 166960K 108 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 164 0 in_multi 77 5K 7K 166960K 184 0 ether_multi 1 0K 0K 166960K 14 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 271 1208K 1208K 166960K 271 0 exec 0 0K 1K 166960K 596 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 67 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 247 177K 192K 166960K 11988 0 UVM aobj 11 14K 14K 166960K 12 0 pinsyscall 44 88K 104K 166960K 2334 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 80 0 NDP 11 0K 2K 166960K 64 0 temp 80 8684K 8812K 166960K 37412 0 kqueue 14 22K 28K 166960K 207 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 120 307 0 304 5 3 2 3 0 8 1 rtentry 176 188 0 105 5 0 5 5 0 8 0 unpcb 144 983 0 931 11 8 3 6 0 8 0 syncache 336 6 0 6 3 2 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 736 535 0 527 20 17 3 13 0 8 2 arp 136 31 0 16 1 0 1 1 0 8 0 inpcb 328 1734 0 1720 22 19 3 12 0 8 1 nd6 152 40 0 19 2 0 2 2 0 8 0 pkpcb 40 9 0 9 2 1 1 1 0 8 1 kcovpl 48 12 0 4 1 0 1 1 0 8 0 ppxss 1192 28 0 28 2 2 0 1 0 8 0 pppxif 1504 2 0 2 2 2 0 1 0 8 0 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 12 0 5 1 0 1 1 0 482 0 pffrnode 88 10 0 3 1 0 1 1 0 8 0 pffrent 40 21 0 14 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 2 0 2 2 2 0 1 0 8 0 pfsrclim 320 1 0 1 1 1 0 1 0 8 0 pfanchor 1288 6 0 1 1 0 1 1 0 8 0 pfstkey 128 3 0 3 1 1 0 1 0 8 0 pfstate 448 2 0 2 1 1 0 1 0 8 0 pfrule 1360 13 0 6 2 1 1 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 750 0 381 31 7 24 31 0 8 0 art_table 40 753 0 381 5 0 5 5 0 8 0 art_node 32 186 0 112 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 2 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 45 0 35 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 31 0 14 3 0 3 3 0 8 0 dino2pl 256 3383 0 1872 95 0 95 95 0 8 0 ffsino 296 3383 0 1872 117 0 117 117 0 8 0 nchpl 144 4951 0 3236 64 0 64 64 0 8 0 rtmask 32 5 0 5 1 1 0 1 0 8 0 vnodes 216 3874 0 0 216 0 216 216 0 8 0 namei 1024 16740 0 16738 5 3 2 2 0 8 1 percpumem 16 86 0 37 1 0 1 1 0 8 0 vcpupl 3968 6 0 0 1 0 1 1 0 8 0 vmpool 848 7 0 1 1 0 1 1 0 8 0 kstatmem 264 78 0 54 4 1 3 3 0 8 0 scsiplug 72 5 0 5 4 3 1 1 0 8 1 scxspl 216 32024 0 32023 10 9 1 8 1 8 0 plimitpl 152 298 0 279 1 0 1 1 0 8 0 sigapl 424 1421 0 1352 10 1 9 9 0 8 0 knotepl 120 575 0 0 18 0 18 18 0 8 0 kqueuepl 224 690 0 679 15 13 2 9 0 8 1 pipepl 344 221 0 192 4 1 3 4 0 8 0 fdescpl 528 1379 0 1347 3 0 3 3 0 8 0 filepl 160 9585 0 9316 24 9 15 19 0 8 3 lockfpl 104 648 0 646 3 2 1 2 0 8 0 lockfspl 48 179 0 177 1 0 1 1 0 8 0 sessionpl 144 29 0 19 1 0 1 1 0 8 0 pgrppl 48 56 0 38 1 0 1 1 0 8 0 ucredpl 104 1368 0 1354 1 0 1 1 0 8 0 zombiepl 144 1760 0 1758 1 0 1 1 0 8 0 processpl 1232 1421 0 1352 6 0 6 6 0 8 0 procpl 664 3098 0 3020 8 0 8 8 0 8 0 sosppl 176 14 0 14 2 1 1 1 0 8 1 sockpl 752 3081 0 3012 45 35 10 23 0 8 2 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 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 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 109 0 0 14 0 14 14 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 37 0 0 5 0 5 5 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 1851 0 0 116 0 116 116 0 8 0 bufpl 280 12929 0 6792 439 0 439 439 0 8 0 anonpl 32 10522 0 0 85 0 85 85 0 246 0 amapchunkpl 152 39698 0 39034 47 12 35 35 0 158 3 amappl16 200 4920 0 4807 45 30 15 23 0 8 7 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 82 0 82 1 1 0 1 0 8 0 amappl13 176 485 0 484 1 0 1 1 0 8 0 amappl12 168 1769 0 1727 3 0 3 3 0 8 0 amappl11 160 3 0 3 1 1 0 1 0 8 0 amappl10 152 49 0 35 1 0 1 1 0 8 0 amappl9 144 249 0 248 1 0 1 1 0 8 0 amappl8 136 25 0 23 1 0 1 1 0 8 0 amappl7 128 143 0 142 1 0 1 1 0 8 0 amappl6 120 367 0 352 1 0 1 1 0 8 0 amappl5 112 86 0 73 1 0 1 1 0 8 0 amappl4 104 451 0 420 1 0 1 1 0 8 0 amappl3 96 6936 0 6849 4 1 3 3 0 8 0 amappl2 88 1487 0 1405 3 0 3 3 0 8 1 amappl1 80 13867 0 13190 16 0 16 16 0 8 0 amappl 88 11029 0 10867 5 0 5 5 0 92 0 uvmvnodes 80 135 0 0 3 0 3 3 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 7 0 7 2 2 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 1379 0 1347 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1379 0 1347 1 0 1 1 0 8 0 vmmpekpl 168 12810 0 12756 3 0 3 3 0 8 0 vmmpepl 168 94535 0 92441 125 18 107 112 0 357 4 vmsppl 488 1378 0 1347 5 0 5 5 0 8 0 rwobjpl 80 27879 0 26617 37 6 31 33 0 8 0 pdppl 4096 2779 0 2702 112 33 79 85 0 8 2 pvpl 32 19190 0 0 156 1 155 155 0 265 0 pmappl 256 1385 0 1348 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 419 0 66 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8383cff0) 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(ffffffff8394fec0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff8394fec0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(2) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(2) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsofttty() at Xsofttty+0x27 __mp_lock(ffffffff8394fec0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff8394fec0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff8394fec0,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff83a0f738,9) at pool_get+0x27e sys/kern/subr_pool.c:595 buf_get(fffffd8073cbd298,245,4000) at buf_get+0x37d sys/kern/vfs_bio.c:-1 getblk(fffffd8073cbd298,245,4000,0,ffffffffffffffff) at getblk+0x146 sys/kern/vfs_bio.c:-1 ffs2_balloc(fffffd806e8f9a68,914000,4000,fffffd80097fd6e8,2,ffff8000397e3978) at ffs2_balloc+0x179c sys/ufs/ffs/ffs_balloc.c:-1 ffs_write(ffff8000397e3a00) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 end trace frame: 0xffff8000397e3a70, count: 0 ddb{0}> trace x86_ipi_db(ffffffff8383cff0) 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(ffffffff8394fec0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff8394fec0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(2) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(2) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsofttty() at Xsofttty+0x27 __mp_lock(ffffffff8394fec0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff8394fec0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff8394fec0,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff83a0f738,9) at pool_get+0x27e sys/kern/subr_pool.c:595 buf_get(fffffd8073cbd298,245,4000) at buf_get+0x37d sys/kern/vfs_bio.c:-1 getblk(fffffd8073cbd298,245,4000,0,ffffffffffffffff) at getblk+0x146 sys/kern/vfs_bio.c:-1 ffs2_balloc(fffffd806e8f9a68,914000,4000,fffffd80097fd6e8,2,ffff8000397e3978) at ffs2_balloc+0x179c sys/ufs/ffs/ffs_balloc.c:-1 ffs_write(ffff8000397e3a00) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd8073cbd298,ffff8000397e3bb8,7,fffffd80097fd6e8) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd80618e9968,ffff8000397e3bb8,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408 dofilewritev(ffff800039ff94e0,5,ffff8000397e3bb8,0,ffff8000397e3c70) at dofilewritev+0x242 sys/kern/sys_generic.c:380 sys_write(ffff800039ff94e0,ffff8000397e3d20,ffff8000397e3c70) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff8000397e3d20) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000397e3d20) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x415912f43b0, count: -20 ddb{0}> machine ddbcpu 1 Stopped at savectx+0xae: movl $0,%gs:0x688 savectx() at savectx+0xae end of kernel end trace frame: 0x4da982c8860, count: 14 ddb{1}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x4da982c8860, count: -1