kernel: protection fault trap, code=0 Stopped at done_flush+0x38: movl %eax,%dr6 ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace end trace frame: 0x0, count: -1 ddb{1}> show registers rdi 0x6c14 __ALIGN_SIZE+0x5c14 rsi 0xffff80002a7c0d98 rbp 0 rbx 0x756e6547 rdx 0x49656e69 rcx 0x6c65746e rax 0x100000001 r8 0 r9 0x10000 __ALIGN_SIZE+0xf000 r10 0 r11 0 r12 0 r13 0 r14 0 r15 0 rip 0xffffffff81f1820b done_flush+0x38 cs 0x8 rflags 0x10046 __ALIGN_SIZE+0xf046 rsp 0xffff80003a7bcb98 ss 0x10 done_flush+0x38: movl %eax,%dr6 ddb{1}> show proc PROC (syz-executor) tid=421713 pid=75515 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a2da2d8,0xffff80002a2da818 process=0xffff8000ffff49a8 user=0xffff80003a7b8000, vmspace=0xfffffd806c86f3e8 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 75515 474200 56420 0 2 0 syz-executor *75515 421713 56420 0 7 0x4000000 syz-executor 36593 494495 2981 0 2 0 syz-executor 36593 279580 2981 0 3 0x4000080 fsleep syz-executor 36593 458112 2981 0 2 0x4000000 syz-executor 39109 502628 50377 0 2 0 syz-executor 39109 241424 50377 0 3 0x4000080 fsleep syz-executor 7024 265382 10633 0 3 0x80 nanoslp syz-executor 7024 180206 10633 0 3 0x4000000 inode syz-executor 7024 334869 10633 0 3 0x4000080 fsleep syz-executor 7024 99499 10633 0 3 0x4000080 fsleep syz-executor 94034 161924 95109 0 2 0 syz-executor 94034 84154 95109 0 2 0x4000000 syz-executor 94034 223474 95109 0 3 0x4000080 fsleep syz-executor 13475 133067 84260 0 2 0 syz-executor 13475 59612 84260 0 3 0x4000080 fsleep syz-executor 24419 509318 0 0 3 0x14200 acct acct 92736 516579 45915 0 3 0x3000 suspend syz-executor 92736 311273 45915 0 3 0x4081000 biowait syz-executor 37261 356581 26262 0 3 0x3000 suspend syz-executor 37261 390748 26262 0 7 0x4081000 syz-executor 80992 443836 1 0 3 0x100083 ttyin getty 2981 399983 27622 0 3 0x82 nanoslp syz-executor 50377 8585 27622 0 3 0x82 nanoslp syz-executor 26262 329923 27622 0 3 0x82 wait syz-executor 10633 17646 27622 0 3 0x82 nanoslp syz-executor 56420 461069 27622 0 3 0x82 nanoslp syz-executor 84260 51416 27622 0 3 0x82 nanoslp syz-executor 95109 224188 27622 0 3 0x82 nanoslp syz-executor 45915 454507 27622 0 3 0x82 wait syz-executor 27622 208626 84345 0 3 0x82 kqread syz-executor 84345 71023 36514 0 3 0x10008a sigsusp ksh 36514 337570 9106 0 3 0x98 kqread sshd-session 9106 482553 91294 0 3 0x92 kqread sshd-session 91294 136436 1 0 3 0x88 kqread sshd 37082 486215 10487 74 3 0x1100092 bpf pflogd 10487 498119 1 0 3 0x80 sbwait pflogd 44961 13326 3523 73 3 0x1100090 kqread syslogd 3523 104352 1 0 3 0x100082 sbwait syslogd 49323 324604 1 0 3 0x100080 kqread resolvd 455 503337 89853 77 3 0x100092 kqread dhcpleased 49740 53099 89853 77 3 0x100092 kqread dhcpleased 89853 10395 1 0 3 0x80 kqread dhcpleased 10783 178353 0 0 3 0x14200 bored smr 43104 34245 0 0 2 0x14200 zerothread 19884 231246 0 0 3 0x14200 aiodoned aiodoned 81347 272489 0 0 3 0x14200 syncer update 86844 117255 0 0 3 0x14200 cleaner cleaner 98418 425522 0 0 3 0x14200 reaper reaper 761 306443 0 0 3 0x14200 pgdaemon pagedaemon 67938 290017 0 0 3 0x14200 bored viomb 31788 116813 0 0 3 0x40014200 acpi0 acpi0 23681 171839 0 0 3 0x40014200 idle1 7693 279008 0 0 3 0x14200 bored softnet1 74381 110137 0 0 3 0x14200 bored softnet0 16181 378188 0 0 3 0x14200 bored systqmp 74495 336475 0 0 3 0x14200 bored systq 18585 508814 0 0 3 0x14200 tmoslp softclockmp 25978 100702 0 0 3 0x40014200 tmoslp softclock 17137 42664 0 0 3 0x40014200 idle0 1 100392 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &bq->bufq_mtx r = 0 (0xffff8000002a2d98) #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+0x4b4 sys/kern/kern_lock.c:487 #2 bufq_peek+0x39 sys/kern/kern_bufq.c:164 #3 sdstart+0x4ca sys/scsi/sd.c:709 #4 scsi_iopool_run+0x17d scsi_ioh_pending sys/scsi/scsi_base.c:-1 [inline] #4 scsi_iopool_run+0x17d sys/scsi/scsi_base.c:423 #5 scsi_xsh_runqueue+0x39d sys/scsi/scsi_base.c:599 #6 scsi_xsh_add+0x10e sys/scsi/scsi_base.c:538 #7 sdstrategy+0x21b sys/scsi/sd.c:567 #8 spec_strategy+0x45 sys/kern/spec_vnops.c:448 #9 VOP_STRATEGY+0xca sys/kern/vfs_vops.c:639 #10 ufs_strategy+0x1f6 sys/ufs/ufs/ufs_vnops.c:-1 #11 VOP_STRATEGY+0xca sys/kern/vfs_vops.c:639 #12 bwrite+0x298 sys/kern/vfs_bio.c:745 #13 ffs2_balloc+0x18b4 sys/ufs/ffs/ffs_balloc.c:701 #14 ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 #15 VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 #16 vn_write+0x1d3 sys/kern/vfs_vnops.c:408 #17 dofilewritev+0x2bd sys/kern/sys_generic.c:384 #18 sys_write+0xa2 sys/kern/sys_generic.c:300 Process 75515 (syz-executor) thread 0xffff80002a2da040 (421713) exclusive rwlock vcpu r = 0 (0xffff80002a7c0af0) #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_run+0xa2 sys/arch/amd64/amd64/vmm_machdep.c:-1 #3 vmmioctl+0x337 sys/dev/vmm/vmm.c:254 #4 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #5 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #6 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #7 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #7 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #8 Xsyscall+0x128 Process 36593 (syz-executor) thread 0xffff80002a2547e0 (458112) exclusive rwlock vmmaplk r = 0 (0xfffffd806c86fe70) #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+0x430 sys/arch/amd64/amd64/trap.c:640 #7 recall_trap+0x8 Process 7024 (syz-executor) thread 0xffff80002a254a78 (180206) exclusive rrwlock inode r = 0 (0xfffffd800b09fd58) #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 vn_open+0x15a sys/kern/vfs_vnops.c:140 #8 doopenat+0x35b sys/kern/vfs_syscalls.c:1155 #9 sys_open+0x59 sys/kern/vfs_syscalls.c:1063 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 Process 94034 (syz-executor) thread 0xffff8000ffffd9f8 (84154) exclusive rrwlock inode r = 0 (0xfffffd80795730d8) #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 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 ufs_lookup+0x16bd sys/ufs/ufs/ufs_lookup.c:573 #7 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #8 vfs_lookup+0x98a sys/kern/vfs_lookup.c:567 #9 namei+0x7ca sys/kern/vfs_lookup.c:250 #10 ptm_vn_open+0x40 sys/kern/tty_pty.c:1014 #11 ptmioctl+0x8a0 sys/kern/tty_pty.c:1179 #12 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #13 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #14 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #15 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #15 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #16 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd800b09fb08) #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+0x98a sys/kern/vfs_lookup.c:567 #10 namei+0x7ca sys/kern/vfs_lookup.c:250 #11 ptm_vn_open+0x40 sys/kern/tty_pty.c:1014 #12 ptmioctl+0x8a0 sys/kern/tty_pty.c:1179 #13 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #14 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #15 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #16 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #16 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #17 Xsyscall+0x128 Process 92736 (syz-executor) thread 0xffff80003a7cd248 (311273) exclusive rrwlock inode r = 0 (0xfffffd806c6cbd80) #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+0x2bd sys/kern/sys_generic.c:384 #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:783 #9 Xsyscall+0x128 Process 37261 (syz-executor) thread 0xffff80002a255240 (390748) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a2ee80) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 pool_get+0x27e sys/kern/subr_pool.c:595 #3 buf_get+0x37d sys/kern/vfs_bio.c:-1 #4 getblk+0x146 sys/kern/vfs_bio.c:-1 #5 ffs2_balloc+0x179c sys/ufs/ffs/ffs_balloc.c:-1 #6 ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 #7 VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 #8 vn_write+0x1d3 sys/kern/vfs_vnops.c:408 #9 dofilewritev+0x2bd sys/kern/sys_generic.c:384 #10 sys_write+0xa2 sys/kern/sys_generic.c:300 #11 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c7fad78) #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+0x2bd sys/kern/sys_generic.c:384 #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:783 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11116 12194K 14027K 166960K 17765 0 pcb 17 18K 20K 166960K 832 0 rtable 296 20K 21K 166960K 1290 0 pf 39 18K 82K 166960K 527 0 ifaddr 42 9K 10K 166960K 349 0 ifgroup 56 2K 3K 166960K 664 0 sysctl 4 1K 9K 166960K 35 0 counters 72 37K 38K 166960K 792 0 ioctlops 0 0K 4K 166960K 2633 0 iov 0 0K 20K 166960K 306 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1468 92K 93K 166960K 5477 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 5K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 178 0 dirhash 12 2K 2K 166960K 84 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 236K 166960K 4062 0 sigio 0 0K 0K 166960K 191 0 proc 74 115K 164K 166960K 1248 0 subproc 72 4K 4K 166960K 172 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 460 0 in_multi 81 5K 7K 166960K 411 0 ether_multi 1 0K 0K 166960K 49 0 mrt 2 0K 0K 166960K 81 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 247 1102K 1102K 166960K 247 0 exec 0 0K 1K 166960K 1089 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 7 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 270 163K 190K 166960K 38868 0 UVM aobj 76 38K 38K 166960K 84 0 pinsyscall 43 86K 104K 166960K 5483 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 388 0 NDP 13 0K 2K 166960K 267 0 temp 88 9088K 9339K 166960K 214960 0 kqueue 15 24K 32K 166960K 874 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 120 553 0 550 4 2 2 2 0 8 1 rtentry 176 399 0 297 8 2 6 6 0 8 0 unpcb 144 2812 0 2793 22 21 1 6 0 8 0 syncache 336 10 0 10 7 7 0 1 0 8 0 tcpcb 736 1397 0 1326 34 24 10 10 0 8 3 arp 136 82 0 56 1 0 1 1 0 8 0 inpcb 328 4597 0 4519 52 42 10 10 0 8 3 nd6 152 71 0 50 1 0 1 1 0 8 0 pkpcb 40 26 0 26 9 8 1 1 0 8 1 kcovpl 48 19 0 11 1 0 1 1 0 8 0 mppekey 1024 5 0 5 5 5 0 1 0 8 0 ppxss 1192 290 0 290 3 2 1 1 0 8 1 pppxif 1576 31 0 31 5 4 1 1 0 8 1 pffrag 232 78 0 71 1 0 1 1 0 482 0 pffrnode 88 75 0 68 1 0 1 1 0 8 0 pffrent 40 146 0 139 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 4 0 3 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 293 0 201 1 0 1 1 0 8 0 pfstkey 128 295 0 204 4 0 4 4 0 8 0 pfstate 448 291 0 202 12 0 12 12 0 8 0 pfrule 1360 25 0 18 2 1 1 2 0 8 0 rttmr 136 10 0 10 6 5 1 1 0 8 1 art_heap8 4096 6 0 0 6 0 6 6 0 8 0 art_heap4 256 1640 0 1191 47 16 31 32 0 8 1 art_table 40 1646 0 1191 6 1 5 6 0 8 0 art_node 32 396 0 306 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 13 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 175 0 165 1 0 1 1 0 8 0 shmpl 112 65 0 8 2 0 2 2 0 8 0 dirhash 1024 67 0 50 3 0 3 3 0 8 0 dino2pl 256 9940 0 8458 94 0 94 94 0 8 0 ffsino 296 9940 0 8458 116 1 115 115 0 8 0 nchpl 144 15415 0 13673 66 0 66 66 0 8 0 rtmask 32 48 0 48 7 6 1 1 0 8 1 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 53159 0 53157 9 8 1 3 0 8 0 percpumem 16 411 0 360 1 0 1 1 0 8 0 vcpupl 3968 16 0 0 2 0 2 2 0 8 0 vmpool 848 16 0 0 2 0 2 2 0 8 0 kstatmem 264 458 0 426 3 0 3 3 0 8 0 acpiwqpl 32 2 0 2 1 0 1 1 1 8 1 scsiplug 72 11 0 11 7 6 1 1 0 8 1 scxspl 216 89453 0 89451 19 17 2 8 1 8 1 plimitpl 152 1106 0 1087 1 0 1 1 0 8 0 sigapl 424 4333 0 4284 7 1 6 7 0 8 0 knotepl 120 860 0 0 22 0 22 22 0 8 0 kqueuepl 224 1893 0 1882 27 25 2 9 0 8 1 pipepl 344 485 0 458 6 3 3 6 0 8 0 fdescpl 528 4309 0 4277 3 0 3 3 0 8 0 filepl 160 30197 0 29875 47 32 15 18 0 8 0 lockfpl 104 1784 0 1780 3 2 1 2 0 8 0 lockfspl 48 669 0 665 1 0 1 1 0 8 0 sessionpl 144 38 0 29 1 0 1 1 0 8 0 pgrppl 48 103 0 86 1 0 1 1 0 8 0 ucredpl 104 6219 0 6205 1 0 1 1 0 8 0 zombiepl 144 6209 0 6207 2 1 1 1 0 8 0 processpl 1232 4333 0 4284 5 1 4 5 0 8 0 procpl 664 11212 0 11151 9 3 6 6 0 8 0 sosppl 176 34 0 34 4 3 1 1 0 8 1 sockpl 752 8108 0 8007 90 76 14 17 0 8 3 mcl64k 65536 11 0 0 2 0 2 2 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 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 125 0 0 16 0 16 16 0 8 0 mcl2k 2048 48 0 0 5 0 5 5 0 8 0 mtagpl 96 13 0 0 1 0 1 1 0 8 0 mbufpl 256 368 0 0 17 0 17 17 0 8 0 bufpl 280 33636 0 27507 440 1 439 439 0 8 0 anonpl 32 14595 0 0 119 2 117 117 0 246 0 amapchunkpl 152 139192 0 138460 99 60 39 39 0 158 8 amappl16 200 12424 0 11960 99 74 25 31 0 8 0 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 594 0 593 1 0 1 1 0 8 0 amappl13 176 147 0 135 1 0 1 1 0 8 0 amappl12 168 4606 0 4575 2 0 2 2 0 8 0 amappl11 160 6 0 6 1 1 0 1 0 8 0 amappl10 152 66 0 51 1 0 1 1 0 8 0 amappl9 144 264 0 264 2 2 0 1 0 8 0 amappl8 136 171 0 168 1 0 1 1 0 8 0 amappl7 128 186 0 173 1 0 1 1 0 8 0 amappl6 120 276 0 273 1 0 1 1 0 8 0 amappl5 112 115 0 104 1 0 1 1 0 8 0 amappl4 104 349 0 327 1 0 1 1 0 8 0 amappl3 96 28128 0 27999 5 1 4 4 0 8 0 amappl2 88 654 0 593 2 0 2 2 0 8 0 amappl1 80 27706 0 27100 18 4 14 16 0 8 0 amappl 88 37309 0 37114 6 1 5 5 0 92 0 uvmvnodes 80 229 0 0 5 0 5 5 0 8 0 dma65536 65536 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 8 0 8 3 3 0 1 0 8 0 dma128 128 255 0 255 3 3 0 1 0 8 0 dma64 64 11 0 11 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 83 0 8 2 0 2 2 0 8 0 uaddrrnd 24 4309 0 4277 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4309 0 4277 1 0 1 1 0 8 0 vmmpekpl 168 32090 0 32025 4 0 4 4 0 8 0 vmmpepl 168 272854 0 270404 164 57 107 113 0 357 0 vmsppl 488 4308 0 4277 6 1 5 5 0 8 0 rwobjpl 80 68689 0 66974 43 7 36 37 0 8 0 pdppl 4096 8657 0 8570 155 68 87 88 0 8 0 pvpl 32 24630 0 0 198 0 198 198 0 265 0 pmappl 256 4324 0 4277 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 427 0 136 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff838edff0) 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 splassert_check(d,3) at splassert_check+0x14 sys/arch/amd64/amd64/machdep.c:2058 witness_unlock(ffff8000002a2d98,8) at witness_unlock+0x3cf witness_lock_stack_free sys/kern/subr_witness.c:1854 [inline] witness_unlock(ffff8000002a2d98,8) at witness_unlock+0x3cf sys/kern/subr_witness.c:1325 mtx_leave(ffff8000002a2d88) at mtx_leave+0x8c sys/kern/kern_lock.c:503 bufq_peek(ffff8000002a2d80) at bufq_peek+0x67 sys/kern/kern_bufq.c:167 sdstart(fffffd800e105cc0) at sdstart+0x4ca sys/scsi/sd.c:709 scsi_iopool_run(ffff8000000a4048) at scsi_iopool_run+0x17d scsi_ioh_pending sys/scsi/scsi_base.c:-1 [inline] scsi_iopool_run(ffff8000000a4048) at scsi_iopool_run+0x17d sys/scsi/scsi_base.c:423 scsi_xsh_runqueue(ffff8000002a4100) at scsi_xsh_runqueue+0x39d sys/scsi/scsi_base.c:599 scsi_xsh_add(ffff8000002a2e18) at scsi_xsh_add+0x10e sys/scsi/scsi_base.c:538 sdstrategy(fffffd8060838138) at sdstrategy+0x21b sys/scsi/sd.c:567 spec_strategy(ffff800030f99470) at spec_strategy+0x45 sys/kern/spec_vnops.c:448 VOP_STRATEGY(fffffd800b075af8,fffffd8060838138) at VOP_STRATEGY+0xca sys/kern/vfs_vops.c:639 ufs_strategy(ffff800030f99510) at ufs_strategy+0x1f6 sys/ufs/ufs/ufs_vnops.c:-1 VOP_STRATEGY(fffffd806847fb08,fffffd8060838138) at VOP_STRATEGY+0xca sys/kern/vfs_vops.c:639 bwrite(fffffd8060838138) at bwrite+0x298 sys/kern/vfs_bio.c:745 ffs2_balloc(fffffd806c7facd8,c0c000,4000,fffffd80097fd410,2,ffff800030f99788) at ffs2_balloc+0x18b4 sys/ufs/ffs/ffs_balloc.c:701 ffs_write(ffff800030f99810) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd806847fb08,ffff800030f999c8,7,fffffd80097fd410) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd806c7a8538,ffff800030f999c8,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80002a255240,5,ffff800030f999c8,0,ffff800030f99a80) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80002a255240,ffff800030f99b30,ffff800030f99a80) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff800030f99b30) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800030f99b30) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x98d0284100, count: -25 ddb{0}> machine ddbcpu 1 Stopped at done_flush+0x38: movl %eax,%dr6 ddb{1}> trace end trace frame: 0x0, count: -1