witness: shared lock of (rwlock) maddr while exclusively locked panic: excl->share Starting stack trace... panic(ffffffff833b4a35) at panic+0x1d0 sys/kern/subr_prf.c:229 witness_checkorder(ffff80000157e078,1,0) at witness_checkorder+0x122c sys/kern/subr_witness.c:854 rw_do_enter_read(ffff80000157e060,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355 in6_hasmulti(fffffd806a926df0,ffff80000157e000) at in6_hasmulti+0x41 in6_lookupmulti sys/netinet6/in6.c:-1 [inline] in6_hasmulti(fffffd806a926df0,ffff80000157e000) at in6_hasmulti+0x41 sys/netinet6/in6.c:1150 ip6_output(fffffd806a926d00,ffffffff839eee58,0,0,ffff80002a1fe480,0) at ip6_output+0x13bd sys/netinet6/ip6_output.c:507 mld6_sendpkt(ffff80000168a380,83,0) at mld6_sendpkt+0x385 sys/netinet6/mld6.c:499 mld6_fasttimo() at mld6_fasttimo+0x16d mld6_checktimer sys/netinet6/mld6.c:395 [inline] mld6_fasttimo() at mld6_fasttimo+0x16d sys/netinet6/mld6.c:369 pffasttimo(ffffffff83a15020) at pffasttimo+0x184 sys/kern/uipc_domain.c:-1 timeout_run(ffffffff83835dd8,ffffffff83a15020) at timeout_run+0x159 sys/kern/kern_timeout.c:698 softclock_thread_run(ffffffff83835dd8) at softclock_thread_run+0xe7 sys/kern/kern_timeout.c:842 softclock_thread_mp(ffff8000ffffecf8) at softclock_thread_mp+0x86 end trace frame: 0x0, count: 246 End of stack trace. syncing disks...10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 giving up WARNING: SPL NOT LOWERED ON SYSCALL 91 854138104 EXIT 0 d Stopped at savectx+0xae: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND *170978 45065 0 0x2 0 0 syz-executor savectx() at savectx+0xae end of kernel end trace frame: 0x75e532e91ce0, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: excl->share ddb{0}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x75e532e91ce0, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003c499ce0 rbx 0 rdx 0 rcx 0xffff8000337d6a80 rax 0x3a r8 0xffff80003c499c10 r9 0 r10 0x625fda27bd943976 r11 0x80a130d3c7bfa824 r12 0 r13 0 r14 0xffff8000337d6a80 r15 0 rip 0xffffffff82dbe3ee savectx+0xae cs 0x8 rflags 0x46 rsp 0xffff80003c499c60 ss 0 savectx+0xae: movl $0,%gs:0x688 ddb{0}> show proc PROC (syz-executor) tid=170978 pid=45065 tcnt=1 stat=onproc flags process=2 proc=0 runpri=32, usrpri=82, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a2aefa8,0xffff80002a2afa18 process=0xffff8000337dab70 user=0xffff80003c494000, vmspace=0xfffffd800b0637a0 estcpu=32, cpticks=27, pctcpu=0.0, user=2, sys=25, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 7242 64394 3930 0 2 0 syz-executor 7242 314038 3930 0 2 0x4000000 syz-executor 52989 485791 81816 0 2 0 syz-executor 52989 455649 81816 0 3 0x4000080 fsleep syz-executor 87153 49908 40604 0 2 0 syz-executor 87153 203661 40604 0 2 0x4000000 syz-executor 90850 22884 21767 0 2 0 syz-executor 90850 440432 21767 0 3 0x4000080 fsleep syz-executor 8514 152260 11657 0 2 0x2 ndp 38195 280217 68861 0 2 0xc80 syz-executor 38195 421066 68861 0 3 0x4000080 lockf syz-executor 38195 146015 68861 0 3 0x4000080 fsleep syz-executor 11657 146555 27217 0 3 0x10008a sigsusp sh 80900 368729 45065 0 3 0x3000 suspend syz-executor 80900 264063 45065 0 2 0x4081000 syz-executor 80900 375372 45065 0 3 0x4081000 inode syz-executor 23930 129956 19556 0 4 0x82000 syz-executor 23930 412227 19556 0 2 0x4082000 syz-executor 23930 206083 19556 0 3 0x4082000 inode syz-executor 23930 251866 19556 0 3 0x4082000 inode syz-executor 23930 473995 19556 0 3 0x4082000 inode syz-executor 23930 401831 19556 0 3 0x4082000 inode syz-executor 23930 365704 19556 0 3 0x4082000 inode syz-executor 23930 288082 19556 0 3 0x4002000 suspend syz-executor 27217 439128 91038 0 3 0x82 wait syz-executor 19556 94301 91038 0 3 0x82 wait syz-executor 3930 107825 91038 0 2 0xc82 syz-executor *45065 170978 91038 0 7 0x2 syz-executor 26525 460972 1 0 3 0x100083 ttyopn getty 68861 192415 91038 0 2 0xc82 syz-executor 81816 182858 91038 0 2 0xc82 syz-executor 40604 285517 91038 0 2 0xc82 syz-executor 21767 70506 91038 0 2 0xc82 syz-executor 91038 340883 34993 0 2 0x2 syz-executor 34993 54905 34508 0 3 0x10008a sigsusp ksh 34508 135623 7962 0 3 0x98 kqread sshd-session 7962 324003 72679 0 3 0x92 kqread sshd-session 72679 101256 1 0 3 0x88 kqread sshd 18299 189803 63730 74 3 0x1100092 bpf pflogd 63730 260773 1 0 3 0x80 sbwait pflogd 32568 486773 65863 73 3 0x1100090 kqread syslogd 65863 443167 1 0 3 0x100082 sbwait syslogd 33666 78482 1 0 3 0x100080 kqread resolvd 526 85349 21902 77 3 0x100092 kqread dhcpleased 50830 152832 21902 77 3 0x100092 kqread dhcpleased 21902 144492 1 0 3 0x80 kqread dhcpleased 82848 173027 0 0 3 0x14200 bored smr 49075 331331 0 0 2 0x14200 zerothread 13204 417938 0 0 3 0x14200 aiodoned aiodoned 61189 513708 0 0 3 0x14200 syncer update 48956 25997 0 0 3 0x14200 cleaner cleaner 83396 345903 0 0 3 0x14200 reaper reaper 43402 420951 0 0 3 0x14200 pgdaemon pagedaemon 22318 497604 0 0 3 0x14200 bored viomb 341 272056 0 0 3 0x40014200 acpi0 acpi0 564 167566 0 0 7 0x40014200 idle1 93656 20981 0 0 3 0x14200 bored softnet1 98540 113318 0 0 3 0x14200 bored softnet0 61009 391829 0 0 3 0x14200 bored systqmp 40327 218251 0 0 3 0x14200 bored systq 35866 56042 0 0 3 0x14200 netlock softclockmp 29952 134362 0 0 3 0x40014200 tmoslp softclock 64155 88061 0 0 3 0x40014200 idle0 1 451197 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 7242 (syz-executor) thread 0xffff8000337d6d18 (314038) exclusive rwlock vmmaplk r = 0 (0xfffffd806a8a64f8) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 Process 80900 (syz-executor) thread 0xffff8000337d6fb0 (264063) exclusive rwlock vmmaplk r = 0 (0xfffffd806a8a6310) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283 #6 kerntrap+0x19c sys/arch/amd64/amd64/trap.c:520 #7 alltraps_kern_meltdown+0x7b #8 _copyin+0x5b #9 ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359 #10 VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 #11 vn_write+0x1d3 sys/kern/vfs_vnops.c:408 #12 dofilewritev+0x242 sys/kern/sys_generic.c:380 #13 sys_write+0xa2 sys/kern/sys_generic.c:300 #14 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #14 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #15 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806bcb80e0) #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 80900 (syz-executor) thread 0xffff80003c427780 (375372) exclusive rrwlock inode r = 0 (0xfffffd806e7dc360) #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 dorenameat+0x91 sys/kern/vfs_syscalls.c:2990 #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 23930 (syz-executor) thread 0xffff80002a2af4d8 (412227) exclusive rwlock vmmaplk r = 0 (0xfffffd800b0632e8) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283 #6 kerntrap+0x19c sys/arch/amd64/amd64/trap.c:520 #7 alltraps_kern_meltdown+0x7b #8 _copyin+0x5b #9 ffs_write+0x769 sys/ufs/ffs/ffs_vnops.c:359 #10 VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 #11 vn_write+0x1d3 sys/kern/vfs_vnops.c:408 #12 dofilewritev+0x242 sys/kern/sys_generic.c:380 #13 sys_write+0xa2 sys/kern/sys_generic.c:300 #14 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #14 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #15 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806f1a6d90) #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 23930 (syz-executor) thread 0xffff80002a2ae018 (206083) exclusive rrwlock inode r = 0 (0xfffffd806f1a68f0) #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 dofchmodat+0x162 sys/kern/vfs_syscalls.c:2382 #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 35866 (softclockmp) thread 0xffff8000ffffecf8 (56042) exclusive rwlock maddr r = 0 (0xffff80000157e078) #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 mld6_fasttimo+0x8c mld6_checktimer sys/netinet6/mld6.c:-1 [inline] #2 mld6_fasttimo+0x8c sys/netinet6/mld6.c:369 #3 pffasttimo+0x184 sys/kern/uipc_domain.c:-1 #4 timeout_run+0x159 sys/kern/kern_timeout.c:698 #5 softclock_thread_run+0xe7 sys/kern/kern_timeout.c:842 #6 softclock_thread_mp+0x86 #7 proc_trampoline+0x10 shared rwlock netlock r = 0 (0xffffffff83891cc0) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 mld6_fasttimo+0x5f sys/netinet6/mld6.c:-1 #3 pffasttimo+0x184 sys/kern/uipc_domain.c:-1 #4 timeout_run+0x159 sys/kern/kern_timeout.c:698 #5 softclock_thread_run+0xe7 sys/kern/kern_timeout.c:842 #6 softclock_thread_mp+0x86 #7 proc_trampoline+0x10 shared rwlock timeout r = 0 (0xffffffff83835d78) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 timeout_run+0x131 sys/kern/kern_timeout.c:694 #2 softclock_thread_run+0xe7 sys/kern/kern_timeout.c:842 #3 softclock_thread_mp+0x86 #4 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11101 12102K 12807K 166960K 14583 0 pcb 19 18K 20K 166960K 666 0 rtable 250 14K 14K 166960K 873 0 pf 48 20K 22K 166960K 313 0 ifaddr 41 7K 8K 166960K 191 0 ifgroup 69 3K 3K 166960K 355 0 sysctl 4 1K 9K 166960K 28 0 counters 74 37K 38K 166960K 686 0 ioctlops 0 0K 4K 166960K 2284 0 iov 0 0K 28K 166960K 331 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1480 93K 93K 166960K 3347 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 34 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 208 0 dirhash 12 2K 2K 166960K 36 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 19 69K 236K 166960K 2608 0 sigio 0 0K 0K 166960K 179 0 proc 73 115K 164K 166960K 973 0 subproc 72 4K 4K 166960K 137 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 490 0 in_multi 78 5K 7K 166960K 264 0 ether_multi 2 0K 0K 166960K 20 0 mrt 2 0K 0K 166960K 16 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 836 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 5 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 257 168K 185K 166960K 25514 0 UVM aobj 92 15K 15K 166960K 99 0 pinsyscall 45 90K 104K 166960K 3973 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 371 0 NDP 14 0K 2K 166960K 144 0 temp 108 8680K 8932K 166960K 122568 0 kqueue 13 20K 32K 166960K 473 0 SYN cache 2 8K 16K 166960K 3 0 ddb{0}> 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 120 272 0 269 2 1 1 2 0 8 0 rtentry 176 263 0 170 6 1 5 6 0 8 0 unpcb 144 1530 0 1511 13 12 1 6 0 8 0 syncache 336 20 0 20 7 7 0 1 0 8 0 tcpqe 32 13 0 13 6 6 0 1 0 8 0 tcpcb 736 785 0 775 19 14 5 8 0 8 3 arp 136 36 0 19 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 3505 0 3487 46 39 7 13 0 8 4 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 2 0 2 1 1 0 1 0 8 0 nd6 152 55 0 35 2 0 2 2 0 8 0 pkpcb 40 24 0 24 7 7 0 1 0 8 0 kcovpl 48 15 0 7 1 0 1 1 0 8 0 ppxss 1192 273 0 273 2 1 1 1 0 8 1 pppxif 1576 12 0 12 5 5 0 1 0 8 0 pffrag 232 23 0 17 1 0 1 1 0 482 0 pffrnode 88 20 0 14 1 0 1 1 0 8 0 pffrent 40 40 0 34 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 5 0 3 1 0 1 1 0 8 0 pfanchor 1288 3 0 1 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 42 0 34 1 0 1 1 0 8 0 pfstkey 128 44 0 36 2 0 2 2 0 8 0 pfstate 448 42 0 35 4 2 2 4 0 8 0 pfsrctr 152 128 0 125 1 0 1 1 0 8 0 pfrule 1344 27 0 20 2 1 1 2 0 8 0 rttmr 136 3 0 3 2 2 0 1 0 8 0 art_heap8 4096 5 0 1 5 1 4 4 0 8 0 art_heap4 256 1034 0 646 35 10 25 31 0 8 0 art_table 40 1039 0 647 5 0 5 5 0 8 0 art_node 32 263 0 181 1 0 1 1 0 8 0 sysvmsgpl 40 21 0 13 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 201 0 191 1 0 1 1 0 8 0 shmpl 112 87 0 4 3 0 3 3 0 8 0 dirhash 1024 34 0 17 3 0 3 3 0 8 0 dino2pl 256 6264 0 4753 95 0 95 95 0 8 0 ffsino 296 6264 0 4753 117 0 117 117 0 8 0 nchpl 144 9775 0 8052 65 0 65 65 0 8 0 rtmask 32 20 0 20 8 7 1 1 0 8 1 vnodes 216 5927 0 0 330 0 330 330 0 8 0 namei 1024 38472 0 38465 4 2 2 2 0 8 0 percpumem 16 358 0 306 1 0 1 1 0 8 0 vcpupl 3968 6 0 0 1 0 1 1 0 8 0 vmpool 848 9 0 3 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 230 0 198 6 3 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 14 0 14 6 5 1 1 0 8 1 scxspl 216 68082 0 68074 16 14 2 8 1 8 1 plimitpl 152 761 0 742 1 0 1 1 0 8 0 sigapl 424 2944 0 2895 10 3 7 8 0 8 0 knotepl 120 787 0 0 24 0 24 24 0 8 0 kqueuepl 224 1061 0 1052 14 13 1 5 0 8 0 pipepl 344 399 0 372 11 8 3 9 0 8 0 fdescpl 528 2882 0 2849 3 0 3 3 0 8 0 filepl 160 20876 0 20649 39 23 16 20 0 8 1 lockfpl 104 1266 0 1261 3 1 2 2 0 8 1 lockfspl 48 375 0 372 1 0 1 1 0 8 0 sessionpl 144 45 0 36 1 0 1 1 0 8 0 pgrppl 48 91 0 74 1 0 1 1 0 8 0 ucredpl 104 3144 0 3131 1 0 1 1 0 8 0 zombiepl 144 3805 0 3804 1 0 1 1 0 8 0 processpl 1232 2944 0 2895 9 4 5 6 0 8 0 procpl 664 6997 0 6933 9 3 6 8 0 8 0 sosppl 176 27 0 27 7 6 1 1 0 8 1 sockpl 752 5495 0 5455 74 63 11 27 0 8 4 mcl64k 65536 4 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 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 115 0 0 14 0 14 14 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 74 0 0 7 1 6 6 0 8 0 mtagpl 96 17 0 0 1 0 1 1 0 8 0 mbufpl 256 1184 0 0 71 0 71 71 0 8 0 bufpl 280 28238 0 22102 439 0 439 439 0 8 0 anonpl 32 14264 0 0 115 0 115 115 0 246 0 amapchunkpl 152 88212 0 87691 66 31 35 35 0 158 11 amappl16 200 10896 0 10627 105 90 15 36 0 8 0 amappl15 192 2 0 2 1 1 0 1 0 8 0 amappl14 184 5 0 5 1 1 0 1 0 8 0 amappl13 176 519 0 517 1 0 1 1 0 8 0 amappl12 168 3329 0 3284 3 0 3 3 0 8 0 amappl11 160 10 0 10 1 1 0 1 0 8 0 amappl10 152 53 0 38 1 0 1 1 0 8 0 amappl9 144 251 0 251 1 1 0 1 0 8 0 amappl8 136 32 0 29 1 0 1 1 0 8 0 amappl7 128 110 0 108 1 0 1 1 0 8 0 amappl6 120 383 0 366 1 0 1 1 0 8 0 amappl5 112 95 0 83 1 0 1 1 0 8 0 amappl4 104 531 0 498 1 0 1 1 0 8 0 amappl3 96 15472 0 15376 4 1 3 3 0 8 0 amappl2 88 3095 0 3016 2 0 2 2 0 8 0 amappl1 80 23792 0 23176 15 1 14 14 0 8 0 amappl 88 24199 0 24024 5 0 5 5 0 92 0 uvmvnodes 80 192 0 0 4 0 4 4 0 8 0 dma32768 32768 4 0 4 3 3 0 1 0 8 0 dma16384 16384 1 0 1 1 0 1 1 0 8 1 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 6 0 6 1 1 0 1 0 8 0 dma128 128 261 0 261 7 6 1 1 0 8 1 dma64 64 75 0 75 6 6 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 98 0 7 2 0 2 2 0 8 0 uaddrrnd 24 2882 0 2849 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2882 0 2849 1 0 1 1 0 8 0 vmmpekpl 168 24871 0 24816 3 0 3 3 0 8 0 vmmpepl 168 192676 0 190418 147 47 100 114 0 357 1 vmsppl 488 2881 0 2849 8 3 5 5 0 8 0 rwobjpl 80 53040 0 51535 48 13 35 35 0 8 0 pdppl 4096 5790 0 5710 148 68 80 88 0 8 0 pvpl 32 23884 0 0 194 1 193 193 0 265 0 pmappl 256 2890 0 2852 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 426 0 111 10 0 10 10 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x75e532e91ce0, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299ddff0) 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299ddff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff8000299ddff0) 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299ddff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5