witness: lock order reversal: 1st 0xffffffff8391dc40 &sched_lock (&sched_lock) 2nd 0xffff8000299eee30 &cq->cq_mtx (&cq->cq_mtx) lock order [1] &sched_lock (&sched_lock) -> [2] &cq->cq_mtx (&cq->cq_mtx) #0 mtx_enter+0x4a sys/kern/kern_lock.c:260 #1 clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323 #2 mi_switch+0x16f sys/kern/sched_bsd.c:376 #3 ast+0x15a mi_ast sys/sys/syscall_mi.h:252 [inline] #3 ast+0x15a sys/arch/amd64/amd64/trap.c:739 #4 intr_user_exit+0x3c lock order [2] &cq->cq_mtx (&cq->cq_mtx) -> [1] &sched_lock (&sched_lock) #0 mtx_enter+0x4a sys/kern/kern_lock.c:260 #1 sleep_setup+0xed sys/kern/kern_synch.c:304 #2 msleep_nsec+0x10b sys/kern/kern_synch.c:217 #3 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 #4 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #4 dtclose+0x109 sys/dev/dt/dt_dev.c:239 #5 spec_close+0x466 sys/kern/spec_vnops.c:-1 #6 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #7 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #7 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #8 fdrop+0x121 sys/kern/kern_descrip.c:1280 #9 closef+0x192 sys/kern/kern_descrip.c:1264 #10 fdfree+0x116 sys/kern/kern_descrip.c:1195 #11 exit1+0x576 sys/kern/kern_exit.c:215 #12 sys_exit+0x1a sys/kern/kern_exit.c:-1 #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 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(ffff8000299eee30,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 mtx_enter(ffff8000299eee20) at mtx_enter+0x4a sys/kern/kern_lock.c:260 clockintr_cancel(ffff8000299ee2f8) at clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323 mi_switch() at mi_switch+0x16f sys/kern/sched_bsd.c:376 ast(ffff80003c463680) at ast+0x15a mi_ast sys/sys/syscall_mi.h:252 [inline] ast(ffff80003c463680) at ast+0x15a sys/arch/amd64/amd64/trap.c:739 intr_user_exit() at intr_user_exit+0x3c end of kernel end trace frame: 0x74a9ebb76500, count: -7 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c4634c0 rbx 0 rdx 0 rcx 0xffff80002a3754d8 rax 0xffff8000299edff0 r8 0xffff80003c4633a0 r9 0x8080808080808080 r10 0x89aca393c4f0709f r11 0x9859dbca0ea3b550 r12 0xfffffd8003f40300 r13 0xfffffd8004730d58 r14 0x3 r15 0xffffffff8341decd substchar+0x84c8 rip 0xffffffff821c9245 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4634b0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=209216 pid=21215 tcnt=2 stat=run flags process=4000000 proc=0 runpri=82, usrpri=82, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0x0, list=0xffff80002a374fa8,0xffff80002a374d20 process=0xffff800035fef510 user=0xffff80003c45e000, vmspace=0xfffffd806c8bb020 estcpu=32, cpticks=1, pctcpu=0.0, user=1, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 14577 321340 66159 0 7 0 syz-executor *21215 209216 38434 0 2 0x4000000 syz-executor 21215 197691 38434 0 2 0x4000000 syz-executor 22387 56006 2992 0 2 0 syz-executor 22387 184478 2992 0 3 0x4000080 kqread syz-executor 3241 127020 74845 0 3 0x80 nanoslp syz-executor 3241 237338 74845 0 3 0x4000080 sbwait syz-executor 86237 147657 59280 0 2 0xc80 syz-executor 86237 59 59280 0 3 0x4000080 sbwait syz-executor 86237 477229 59280 0 3 0x4000080 fsleep syz-executor 38434 137988 76395 0 3 0x82 nanoslp syz-executor 64139 419065 0 0 3 0x14200 acct acct 24202 127846 76395 0 3 0x82 nanoslp syz-executor 66159 39746 76395 0 3 0x82 nanoslp syz-executor 74845 359853 76395 0 3 0x82 nanoslp syz-executor 2992 273652 76395 0 3 0x82 nanoslp syz-executor 39288 142235 76395 0 3 0x2 biowait syz-executor 20181 71266 76395 0 3 0x82 wait syz-executor 59280 145783 76395 0 3 0x82 nanoslp syz-executor 76395 392762 25893 0 3 0x82 kqread syz-executor 25893 192495 18653 0 3 0x10008a sigsusp ksh 18653 153067 86348 0 3 0x98 kqread sshd-session 86348 6076 79534 0 3 0x92 kqread sshd-session 7592 324527 1 0 3 0x100083 ttyopn getty 79534 257650 1 0 3 0x88 kqread sshd 98939 235573 99049 74 3 0x1100092 bpf pflogd 99049 469332 1 0 3 0x80 sbwait pflogd 81634 146643 67303 73 3 0x1100090 kqread syslogd 67303 400986 1 0 3 0x100082 sbwait syslogd 43908 410085 1 0 3 0x100080 kqread resolvd 17735 470784 5443 77 3 0x100092 kqread dhcpleased 92609 393624 5443 77 3 0x100092 kqread dhcpleased 5443 95135 1 0 3 0x80 kqread dhcpleased 65874 256453 0 0 3 0x14200 bored smr 130 67466 0 0 2 0x14200 zerothread 67580 284777 0 0 3 0x14200 aiodoned aiodoned 82055 18466 0 0 3 0x14200 syncer update 10830 185422 0 0 3 0x14200 cleaner cleaner 38422 76308 0 0 3 0x14200 reaper reaper 13130 175224 0 0 3 0x14200 pgdaemon pagedaemon 18797 111680 0 0 3 0x14200 bored viomb 13903 366459 0 0 3 0x40014200 acpi0 acpi0 23054 34804 0 0 3 0x40014200 idle1 63182 127807 0 0 3 0x14200 bored softnet1 87157 485847 0 0 3 0x14200 bored softnet0 77338 324813 0 0 3 0x14200 bored systqmp 74597 286969 0 0 3 0x14200 bored systq 36107 77257 0 0 3 0x14200 tmoslp softclockmp 43419 379406 0 0 3 0x40014200 tmoslp softclock 10042 252396 0 0 3 0x40014200 idle0 1 119331 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &vioq->viq_rxmtx r = 0 (0xffff8000001a0db0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 vio_rx_intr+0x82 sys/dev/pv/if_vio.c:1569 #4 vio_queue_intr+0x59 sys/dev/pv/if_vio.c:911 #5 intr_handler+0x125 sys/arch/amd64/amd64/intr.c:564 #6 Xintr_ioapic_edge26_untramp+0x18f #7 mtx_enter+0xd2 sys/kern/kern_lock.c:264 #8 wakeup_n+0x54 sys/kern/kern_synch.c:581 #9 sd_buf_done+0x2de sys/scsi/sd.c:772 #10 scsi_done+0x40 sys/scsi/scsi_base.c:1496 #11 vioscsi_vq_done+0xe1 sys/dev/pv/vioscsi.c:-1 #12 intr_handler+0x125 sys/arch/amd64/amd64/intr.c:564 #13 Xintr_ioapic_edge23_untramp+0x18f #14 mtx_enter+0xd2 sys/kern/kern_lock.c:264 #15 endtsleep+0x39 sys/kern/kern_synch.c:540 #16 timeout_run+0x13d sys/kern/kern_timeout.c:698 #17 softclock_process_tick_timeout+0x232 sys/kern/kern_timeout.c:756 #18 softclock+0x152 sys/kern/kern_timeout.c:788 shared mutex timeout r = 0 (0xffffffff83849250) #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+0x115 sys/kern/kern_timeout.c:694 #2 softclock_process_tick_timeout+0x232 sys/kern/kern_timeout.c:756 #3 softclock+0x152 sys/kern/kern_timeout.c:788 #4 softintr_dispatch+0x13b sys/kern/kern_softintr.c:84 #5 dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 #6 Xsoftclock+0x27 #7 pool_get+0x225 sys/kern/subr_pool.c:590 #8 _rw_obj_alloc_flags+0x4d sys/kern/kern_rwlock.c:713 #9 amap_alloc+0xd6 sys/uvm/uvm_amap.c:-1 #10 amap_copy+0x6ac sys/uvm/uvm_amap.c:569 #11 uvm_fault_check+0x483 sys/uvm/uvm_fault.c:753 #12 uvm_fault+0x106 sys/uvm/uvm_fault.c:633 #13 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #14 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #15 recall_trap+0x8 CPU 1: exclusive mutex &sched_lock r = 0 (0xffffffff8391dc40) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 preempt+0x35 sys/kern/sched_bsd.c:338 #4 ast+0x15a mi_ast sys/sys/syscall_mi.h:252 [inline] #4 ast+0x15a sys/arch/amd64/amd64/trap.c:739 #5 intr_user_exit+0x3c Process 14577 (syz-executor) thread 0xffff80002a374d10 (321340) exclusive kernel_lock &kernel_lock r = 2 (0xffffffff838ea8a0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 #2 dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 #3 Xsoftclock+0x27 #4 pool_get+0x225 sys/kern/subr_pool.c:590 #5 _rw_obj_alloc_flags+0x4d sys/kern/kern_rwlock.c:713 #6 amap_alloc+0xd6 sys/uvm/uvm_amap.c:-1 #7 amap_copy+0x6ac sys/uvm/uvm_amap.c:569 #8 uvm_fault_check+0x483 sys/uvm/uvm_fault.c:753 #9 uvm_fault+0x106 sys/uvm/uvm_fault.c:633 #10 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #11 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #12 recall_trap+0x8 exclusive rwlock vmmaplk r = 0 (0xfffffd806c8bbc90) #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:1902 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:699 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:633 #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 39288 (syz-executor) thread 0xffff8000ffffc2a0 (142235) exclusive rrwlock inode r = 0 (0xfffffd806d0db8f0) #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:775 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8070c44698) #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:775 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10203 11030K 11607K 166960K 12289 0 pcb 18 16K 18K 166960K 246 0 rtable 227 9K 10K 166960K 549 0 pf 32 17K 21K 166960K 107 0 ifaddr 40 7K 8K 166960K 80 0 ifgroup 51 2K 2K 166960K 124 0 sysctl 4 1K 9K 166960K 12 0 counters 68 36K 38K 166960K 132 0 ioctlops 0 0K 4K 166960K 1571 0 iov 0 0K 16K 166960K 35 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1431 90K 90K 166960K 1958 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 16 136K 136K 166960K 25 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 698 0 sigio 0 0K 0K 166960K 77 0 proc 73 115K 180K 166960K 616 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 178 0 in_multi 92 6K 7K 166960K 154 0 ether_multi 1 0K 0K 166960K 12 0 mrt 0 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 115 519K 519K 166960K 115 0 exec 0 0K 1K 166960K 549 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 243 151K 174K 166960K 8155 0 UVM aobj 18 10K 10K 166960K 19 0 pinsyscall 42 84K 100K 166960K 1835 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 52 0 temp 79 8676K 8749K 166960K 30521 0 kqueue 14 22K 28K 166960K 103 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 71 0 68 1 0 1 1 0 8 0 rtentry 176 139 0 44 6 0 6 6 0 8 0 unpcb 144 573 0 552 6 1 5 6 0 8 4 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 152 0 148 4 0 4 4 0 8 3 arp 136 21 0 5 1 0 1 1 0 8 0 inpcb 328 960 0 951 13 6 7 12 0 8 6 nd6 152 30 0 6 2 0 2 2 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1192 20 0 20 1 0 1 1 0 8 1 pppxif 1504 5 0 5 1 0 1 1 0 8 1 pffrag 232 5 0 2 1 0 1 1 0 482 0 pffrnode 88 5 0 2 1 0 1 1 0 8 0 pffrent 40 8 0 5 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 6 0 6 1 0 1 1 0 8 1 pfanchor 1288 1 0 1 1 1 0 1 0 8 0 pfstitem 24 53 0 1 1 0 1 1 0 8 0 pfstkey 128 53 0 1 2 0 2 2 0 8 0 pfstate 448 53 0 1 6 0 6 6 0 8 0 pfrule 1344 24 0 19 2 1 1 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 596 0 151 30 1 29 30 0 8 1 art_table 40 599 0 151 5 0 5 5 0 8 0 art_node 32 138 0 52 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 20 0 6 1 0 1 1 0 8 0 shmpl 112 12 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2621 0 1112 96 0 96 96 0 8 0 ffsino 296 2621 0 1112 118 0 118 118 0 8 0 nchpl 144 3587 0 1887 64 0 64 64 0 8 0 rtmask 32 4 0 4 1 0 1 1 0 8 1 vnodes 216 3056 0 0 170 0 170 170 0 8 0 namei 1024 11962 0 11961 1 0 1 1 0 8 0 percpumem 16 81 0 32 1 0 1 1 0 8 0 vcpupl 3968 4 0 0 1 0 1 1 0 8 0 vmpool 840 4 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 1 1 1 0 1 0 8 0 kstatmem 264 66 0 42 3 0 3 3 0 8 1 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 16622 0 16621 10 6 4 8 1 8 3 plimitpl 152 177 0 160 1 0 1 1 0 8 0 sigapl 424 993 0 945 6 0 6 6 0 8 0 knotepl 120 531 0 0 17 0 17 17 0 8 0 kqueuepl 224 328 0 317 5 1 4 5 0 8 3 pipepl 344 170 0 143 3 0 3 3 0 8 0 fdescpl 528 975 0 944 3 0 3 3 0 8 0 filepl 160 5964 0 5742 21 3 18 21 0 8 6 lockfpl 104 155 0 153 1 0 1 1 0 8 0 lockfspl 48 73 0 71 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 40 0 23 1 0 1 1 0 8 0 ucredpl 104 797 0 784 1 0 1 1 0 8 0 zombiepl 144 947 0 945 1 0 1 1 0 8 0 processpl 1232 993 0 945 5 0 5 5 0 8 0 procpl 664 1975 0 1922 6 0 6 6 0 8 0 sosppl 176 1 0 1 1 0 1 1 0 8 1 sockpl 752 1617 0 1584 24 12 12 17 0 8 8 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 113 0 0 15 0 15 15 0 8 1 mcl2k 2048 63 0 0 7 0 7 7 0 8 0 mtagpl 96 18 0 0 1 0 1 1 0 8 0 mbufpl 256 1187 0 0 74 0 74 74 0 8 0 bufpl 280 6252 0 131 438 0 438 438 0 8 0 anonpl 32 10114 0 0 82 0 82 82 0 246 0 amapchunkpl 152 27662 0 27164 36 1 35 36 0 158 12 amappl16 200 3681 0 3650 25 6 19 19 0 8 12 amappl15 192 20 0 20 1 1 0 1 0 8 0 amappl14 184 21 0 21 1 1 0 1 0 8 0 amappl13 176 459 0 458 1 0 1 1 0 8 0 amappl12 168 1348 0 1306 3 1 2 3 0 8 0 amappl11 160 6 0 5 1 0 1 1 0 8 0 amappl10 152 51 0 37 1 0 1 1 0 8 0 amappl9 144 248 0 248 1 1 0 1 0 8 0 amappl8 136 63 0 61 1 0 1 1 0 8 0 amappl7 128 101 0 100 1 0 1 1 0 8 0 amappl6 120 398 0 383 1 0 1 1 0 8 0 amappl5 112 79 0 68 1 0 1 1 0 8 0 amappl4 104 424 0 395 1 0 1 1 0 8 0 amappl3 96 5011 0 4899 5 1 4 4 0 8 0 amappl2 88 540 0 479 2 0 2 2 0 8 0 amappl1 80 11229 0 10634 14 1 13 14 0 8 0 amappl 88 7323 0 7156 5 0 5 5 0 92 0 uvmvnodes 80 117 0 0 3 0 3 3 0 8 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 3 0 3 1 0 1 1 0 8 1 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 128 253 0 253 1 1 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 18 0 1 1 0 1 1 0 8 0 uaddrrnd 24 975 0 944 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 975 0 944 1 0 1 1 0 8 0 vmmpekpl 168 9508 0 9466 2 0 2 2 0 8 0 vmmpepl 168 68527 0 66600 103 1 102 102 0 357 7 vmsppl 488 974 0 944 6 1 5 5 0 8 1 rwobjpl 80 20925 0 19856 31 1 30 30 0 8 2 pdppl 4096 1965 0 1892 96 20 76 79 0 8 3 pvpl 32 18045 0 0 146 0 146 146 0 265 0 pmappl 256 978 0 944 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 346 0 25 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff83812ff0) 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 mtx_enter(ffffffff8391dc30) at mtx_enter+0xd2 sys/kern/kern_lock.c:264 wakeup_n(ffff80000002c000,1) at wakeup_n+0x54 sys/kern/kern_synch.c:581 task_add(ffff80000002c000,ffff800000050d30) at task_add+0x163 sys/kern/kern_task.c:372 ifiq_input(ffff800000050cc0,ffff80003c41c928) at ifiq_input+0x4af sys/net/ifq.c:784 vio_rxeof(ffff8000001a0d00) at vio_rxeof+0x41d sys/dev/pv/if_vio.c:1555 vio_rx_intr(ffff8000001a1400) at vio_rx_intr+0x98 sys/dev/pv/if_vio.c:1571 vio_queue_intr(ffff8000001a0d00) at vio_queue_intr+0x59 sys/dev/pv/if_vio.c:911 intr_handler(ffff80003c41cad0,ffff80000007af80) at intr_handler+0x125 sys/arch/amd64/amd64/intr.c:564 Xintr_ioapic_edge26_untramp() at Xintr_ioapic_edge26_untramp+0x18f mtx_enter(ffffffff8391dc30) at mtx_enter+0xd2 sys/kern/kern_lock.c:264 wakeup_n(fffffd8068af5488,ffffffff) at wakeup_n+0x54 sys/kern/kern_synch.c:581 sd_buf_done(fffffd806c098ce8) at sd_buf_done+0x2de sys/scsi/sd.c:772 scsi_done(fffffd806c098ce8) at scsi_done+0x40 sys/scsi/scsi_base.c:1496 vioscsi_vq_done(ffff8000000a4268) at vioscsi_vq_done+0xe1 sys/dev/pv/vioscsi.c:-1 intr_handler(ffff80003c41cd70,ffff80000006b400) at intr_handler+0x125 sys/arch/amd64/amd64/intr.c:564 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f mtx_enter(ffffffff8391dc30) at mtx_enter+0xd2 sys/kern/kern_lock.c:264 endtsleep(ffff8000ffffc538) at endtsleep+0x39 sys/kern/kern_synch.c:540 timeout_run(ffffffff838492a8,ffff8000ffffc5d0) at timeout_run+0x13d sys/kern/kern_timeout.c:698 softclock_process_tick_timeout(ffff8000ffffc5d0,0) at softclock_process_tick_timeout+0x232 sys/kern/kern_timeout.c:756 softclock(0) at softclock+0x152 sys/kern/kern_timeout.c:788 softintr_dispatch(0) at softintr_dispatch+0x13b sys/kern/kern_softintr.c:84 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 pool_get(ffffffff839f50d8,1) at pool_get+0x225 sys/kern/subr_pool.c:590 _rw_obj_alloc_flags(fffffd806ae684a0,ffffffff8333c1a4,0,ffffffff837cf0a8) at _rw_obj_alloc_flags+0x4d sys/kern/kern_rwlock.c:713 amap_alloc(3000,2,0) at amap_alloc+0xd6 sys/uvm/uvm_amap.c:-1 amap_copy(fffffd806c8bbb90,fffffd806b6ae0d8,2,1,b09a756d000,b09a756d001) at amap_copy+0x6ac sys/uvm/uvm_amap.c:569 uvm_fault_check(ffff80003c41d4c0,ffff80003c41d4f8,ffff80003c41d530,0) at uvm_fault_check+0x483 sys/uvm/uvm_fault.c:753 uvm_fault(fffffd806c8bbb90,b09a756d000,0,2) at uvm_fault+0x106 sys/uvm/uvm_fault.c:633 upageflttrap(ffff80003c41d660,b09a756d000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c41d660) at usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x78a1a3f53e40, count: -36 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(ffff8000299eee30,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 mtx_enter(ffff8000299eee20) at mtx_enter+0x4a sys/kern/kern_lock.c:260 clockintr_cancel(ffff8000299ee2f8) at clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323 mi_switch() at mi_switch+0x16f sys/kern/sched_bsd.c:376 ast(ffff80003c463680) at ast+0x15a mi_ast sys/sys/syscall_mi.h:252 [inline] ast(ffff80003c463680) at ast+0x15a sys/arch/amd64/amd64/trap.c:739 intr_user_exit() at intr_user_exit+0x3c end of kernel end trace frame: 0x74a9ebb76500, count: -7