Userland is non-responsive, machine is pingable, tcp connections open but no banner from ssh. No failed pool requests. This kernel is from today's snapshot but I saw the same with one from a couple of days ago. Is there anything else I can get that might be useful?
ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 99554 86967 57409 55 3 0x2 vp cc 57409 23557 97377 55 3 0x82 wait cc 97377 51254 49407 55 3 0x10008a pause sh 71034 186155 65198 0 3 0x11 vp perl 49407 183801 58608 55 3 0x82 wait gmake 58608 251568 90720 55 3 0x10008a pause sh 90720 294385 26849 55 3 0x82 wait gmake 26849 434857 31480 55 3 0x100088 pause sh 31480 479316 1945 55 3 0x10008a pause sh 1945 53261 1392 55 3 0x82 wait gmake 1392 297593 28991 55 3 0x100088 pause sh 28991 101756 11650 55 3 0x10008a pause sh 11650 273060 70062 55 3 0x82 wait gmake 70062 380995 21324 55 3 0x82 wait gmake 21324 380494 20357 55 3 0x10008a pause make 20357 495141 79040 55 3 0x10008a pause sh 79040 411698 40069 55 3 0x10008a pause make 40069 407214 61289 55 3 0x10008a pause sh 61289 440156 65198 55 3 0x10008a pause make 16484 143829 63578 55 3 0x82 nanosleep perl 63578 247597 69857 55 3 0x10008a pause sh 69857 3708 28018 55 3 0x10008a pause make 28018 161747 1 55 3 0x10008a pause sh 78305 185109 40308 1000 3 0x100083 ttyin ksh 65198 454438 69872 0 3 0x93 wait perl 69872 91535 40308 1000 3 0x10008b pause ksh 40308 108204 1 1000 3 0x100080 kqread tmux 72632 510504 69073 1000 3 0x100083 kqread tmux 69073 166246 39096 1000 3 0x10008b pause ksh 39096 474432 39165 1000 3 0x10 vp sshd 39165 380864 95218 0 3 0x92 poll sshd 19837 75515 1 0 3 0x100003 vp getty 61 140725 1 0 3 0x100010 vp cron 33247 144573 1 110 3 0x100090 poll sndiod 85245 294054 1 99 3 0x100090 poll sndiod 20071 339430 77361 95 3 0x100092 kqread smtpd 31714 216717 77361 103 3 0x100092 kqread smtpd 38145 373966 77361 95 3 0x100092 kqread smtpd 73235 449750 77361 95 3 0x100092 kqread smtpd 52512 523411 77361 95 3 0x100092 kqread smtpd 25217 17706 77361 95 3 0x100092 kqread smtpd 77361 512649 1 0 3 0x100080 kqread smtpd 95218 352524 1 0 3 0x80 select sshd 28640 338771 0 0 3 0x14280 nfsidl nfsio 30707 131410 0 0 3 0x14280 nfsidl nfsio 26109 142203 0 0 3 0x14280 nfsidl nfsio 61054 453416 0 0 3 0x14280 nfsidl nfsio 20679 124381 1 0 3 0x80 poll rpc.statd 75142 494960 1 28 3 0x100090 poll portmap 13394 497677 1 0 3 0x100000 vp ntpd 56991 117256 27035 83 3 0x100092 poll ntpd 27035 498377 1 83 3 0x100092 poll ntpd 19071 360785 2016 74 3 0x100090 bpf pflogd 2016 326372 1 0 3 0x80 netio pflogd 75485 263260 29155 73 3 0x100090 kqread syslogd 29155 379800 1 0 3 0x100082 netio syslogd 9314 271265 1 77 3 0x100090 poll dhclient 77002 222287 1 0 3 0x80 poll dhclient 4332 479844 1 0 3 0x80 mfsidl mount_mfs 58334 330646 0 0 3 0x14200 pgzero zerothread 15557 331142 0 0 3 0x14200 aiodoned aiodoned 34557 432814 0 0 3 0x14200 syncer update 82663 208419 0 0 3 0x14200 cleaner cleaner 51853 347618 0 0 3 0x14200 reaper reaper 18753 499821 0 0 3 0x14200 pgdaemon pagedaemon 59831 415568 0 0 3 0x14200 bored crynlk 29354 478337 0 0 3 0x14200 bored crypto 33898 6377 0 0 3 0x14200 pftm pfpurge 33736 115197 0 0 3 0x14200 usbtsk usbtask 54044 43212 0 0 3 0x14200 usbatsk usbatsk 57344 273215 0 0 3 0x14200 bored softnet 88556 58351 0 0 3 0x14200 bored systqmp 69342 477649 0 0 3 0x14200 bored systq 25767 494373 0 0 3 0x40014200 bored softclock *43785 51419 0 0 7 0x40014200 idle0 9892 420912 0 0 3 0x14200 kmalloc kmthread 1 54365 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> sh re x0 0x500 x1 0xffffff8022a8a000 x2 0 x3 0xffffffff x4 0 x5 0xffffff8032b09000 x6 0xffffff801a4508f0 x7 0 x8 0x1 x9 0xffffff800058309c pluart_intr x10 0xb x11 0x60000005 x12 0 x13 0 x14 0x67 x15 0 x16 0x3ffffc3020 x17 0 x18 0xffffff8032b0dc40 x19 0xffffff8010374c00 _end+0xfa55d00 x20 0xffffff8010358470 _end+0xfa39570 x21 0xffffff8022a8a000 x22 0xffffff8010374c70 _end+0xfa55d70 x23 0xffffff8010374e08 _end+0xfa55f08 x24 0xffffff800080b004 hz x25 0x3c x26 0xffffff8000884b94 db_console x27 0x3 x28 0xffffffffffffffff x29 0xffffff8032b0dc80 x30 0xffffff8010370400 _end+0xfa51500 sp 0xffffff8032b0dc40 spsr 0xa00003c5 elr 0xffffff800046817c db_enter lr 0xffffff8000583200 pluart_intr+0x164 pluart_intr+0x164: ddb> sh bcst Current Buffer Cache status: numbufs 428744 busymapped 1, delwri 0 kvaslots 2047 avail kva slots 2046 bufpages 1620725, dmapages 1620725, dirtypages 0 pendingreads 24, pendingwrites 6 highflips 0, highflops 0, dmaflips 0 ddb> sh uvmexp Current UVM status: pagesize=4096 (0x1000), pagemask=0xfff, pageshift=12 2026672 VM pages: 74138 active, 99952 inactive, 0 wired, 103286 free (12916 z ero) min 10% (25) anon, 10% (25) vnode, 5% (12) vtext pages 0 anon, 0 vnode, 0 vtext freemin=67555, free-target=90073, inactive-target=0, wired-max=675557 faults=381390538, traps=0, intrs=0, ctxswitch=9483450 fpuswitch=0 softint=5031606, syscalls=234541519, kmapent=17 fault counts: noram=0, noanon=0, noamap=0, pgwait=0, pgrele=0 ok relocks(total)=209237(209239), anget(retries)=156026897(0), amapcopy=998 93791 neighbor anon/obj pg=18888683/197482855, gets(lock/unlock)=155221275/209239 cases: anon=122743797, anoncow=33283100, obj=141166972, prcopy=14054301, pr zero=70142365 daemon and swap counts: woke=0, revs=0, scans=0, obscans=0, anscans=0 busy=0, freed=0, reactivate=0, deactivate=0 pageouts=0, pending=0, nswget=0 nswapdev=1, nanon=0, nanonneeded=0 nfreeanon=0 swpages=2162687, swpginuse=0, swpgonly=0 paging=0 kernel pointers: objs(kern)=0xffffff80008a53d0 ddb> sh all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 56 6 0 3 1 0 1 1 0 8 0 inpcbpl 288 184 0 162 3 1 2 3 0 8 0 plimitpl 152 34871 0 34839 48 46 2 2 0 8 0 rtentry 112 30 0 2 1 0 1 1 0 8 0 syncache 264 27 0 27 9 9 0 1 0 8 0 sackhl 24 174 0 174 118 118 0 1 0 8 0 tcpqe 32 24 0 24 6 6 0 1 0 8 0 tcpcb 560 80 0 70 4 3 1 3 0 8 0 pffrag 112 113035 0 113035 102 102 0 1 0 4 0 pffrent 40 675524 0 675524 102 102 0 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 3190 0 3174 1 0 1 1 0 8 0 pfstkey 112 3190 0 3174 1 0 1 1 0 8 0 pfstate 312 3190 0 3174 34 31 3 3 0 8 0 pfrule 1360 19 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 99 0 0 7 0 7 7 0 8 0 art_table 32 100 0 0 1 0 1 1 0 8 0 art_node 16 30 0 3 1 0 1 1 0 8 0 shmpl 112 1 0 1 1 1 0 1 0 8 0 nfsnodepl 472 23763 0 0 2971 0 2971 2971 0 8 0 dirhash 1024 5345 0 3552 283 58 225 236 0 8 0 newdirblk 32 1845 0 1845 49 49 0 2 0 8 0 dirrem 64 103140 0 103140 658 658 0 92 0 8 0 mkdir 56 52732 0 52732 503 503 0 82 0 8 0 diradd 56 415732 0 415732 3331 3331 0 781 0 8 0 freefile 48 75692 0 75692 404 404 0 66 0 8 0 freeblks 192 65111 0 65111 1534 1534 0 241 0 8 0 freefrag 64 58888 0 58888 322 322 0 13 0 8 0 allocindir 104 113054 0 113054 2028 2028 0 159 0 8 0 indirdep 56 6949 0 6949 51 51 0 4 0 8 0 allocdir 128 660165 0 660165 9004 9004 0 1423 0 8 0 bmsafemap 64 8034 0 8034 39 39 0 18 0 8 0 newblk 64 773219 0 773219 53 53 0 1 0 8 0 inodedep 152 424946 0 424946 10105 10105 0 2132 0 8 0 pagedep 128 31061 0 31061 617 617 0 99 0 8 0 dino1pl 128 509208 0 122122 12943 456 12487 12487 0 8 0 ffsino 240 509208 0 122122 23834 1064 22770 22770 0 8 0 nchpl 144 3002264 0 2999602 108 9 99 99 0 8 0 uvmvnodes 72 432244 0 0 7859 0 7859 7859 0 8 0 vnodes 200 432244 0 0 22750 0 22750 22750 0 8 0 namei 1024 19646319 0 19646319 14 13 1 1 0 8 1 nfsreqpl 96 233444 0 233444 130 130 0 1 0 8 0 xhcixfer 240 21 0 20 1 0 1 1 0 8 0 extentpl 40 21 0 8 1 0 1 1 0 8 0 scxspl 192 837067 0 837067 364 364 0 2 0 8 0 sigapl 432 528069 0 528011 168 161 7 11 0 8 0 knotepl 112 50981 0 50919 4 2 2 3 0 8 0 kqueuepl 320 26 0 16 3 2 1 2 0 8 0 pipepl 120 325488 0 325485 5 4 1 2 0 8 0 fdescpl 440 528070 0 528011 178 171 7 11 0 8 0 filepl 112 6305007 0 6304847 51 46 5 8 0 8 0 lockfpl 88 1764 0 1763 1 0 1 1 0 8 0 sessionpl 112 612 0 588 3 2 1 3 0 8 0 pgrppl 40 876 0 850 1 0 1 1 0 8 0 ucredpl 96 1836765 0 1836605 5 1 4 4 0 8 0 zombiepl 144 528013 0 528013 71 71 0 3 0 8 0 processpl 744 528092 0 528013 124 116 8 12 0 8 0 procpl 560 528197 0 528118 91 85 6 10 0 8 0 sockpl 392 526 0 443 30 21 9 13 0 8 0 mcl64k 65536 13458 0 13458 24 24 0 1 0 8 0 mcl16k 16384 1792 0 1792 42 42 0 1 0 8 0 mcl12k 12288 1926 0 1926 45 45 0 1 0 8 0 mcl9k 9216 1831747 0 1831731 273 271 2 7 0 8 0 mcl8k 8192 427217 0 427217 328 328 0 8 0 8 0 mcl4k 4096 632729 0 632729 302 302 0 10 0 8 0 mcl2k2 2112 1840 0 1840 85 85 0 1 0 8 0 mcl2k 2048 151075 0 151075 111 111 0 3 0 8 0 mtagpl 80 1 0 1 1 1 0 1 0 8 0 mbufpl 256 7662391 0 7662359 349 346 3 11 0 8 0 bufpl 256 1019674 0 590930 28742 1872 26870 27016 0 8 0 anonpl 16 117479766 0 117413683 2989 2699 290 459 0 509 0 amapchunkpl 152 5319107 0 5318222 1210 1175 35 72 0 158 0 amappl16 192 1879478 0 1877838 510 423 87 290 0 8 0 amappl15 184 113460 0 113447 18 17 1 2 0 8 0 amappl14 176 136516 0 136495 32 30 2 9 0 8 0 amappl13 168 74270 0 74263 9 8 1 2 0 8 0 amappl12 160 136145 0 136135 52 51 1 7 0 8 0 amappl11 152 104633 0 104564 35 31 4 9 0 8 0 amappl10 144 350501 0 350479 18 16 2 4 0 8 0 amappl9 136 321256 0 321236 126 124 2 54 0 8 0 amappl8 128 421800 0 421634 494 488 6 14 0 8 0 amappl7 120 130977 0 130958 76 75 1 4 0 8 0 amappl6 112 179474 0 179449 84 83 1 4 0 8 0 amappl5 104 197814 0 197754 175 173 2 28 0 8 0 amappl4 96 1913630 0 1913090 370 356 14 22 0 8 0 amappl3 88 921832 0 921568 407 398 9 31 0 8 0 amappl2 80 10417315 0 10408563 9206 9019 187 275 0 8 0 amappl1 72 63049893 0 63030370 39302 38926 376 643 0 8 0 amappl 72 2124125 0 2123721 92 83 9 14 0 75 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma512 512 3 0 2 1 0 1 1 0 8 0 dma256 256 7 0 7 1 1 0 1 0 8 0 dma64 64 2 0 2 1 1 0 1 0 8 0 dma32 32 6 0 6 1 1 0 1 0 8 0 dma16 16 2 0 2 1 1 0 1 0 8 0 vp 8192 64728981 0 64716405 152138 150566 1572 2427 3 8 0 pted 40 596975514 0 596903167 14657 13909 748 1274 1 8 1 pmap 48 528069 0 528011 2 0 2 2 1 8 1 aobjpl 64 2 0 1 1 0 1 1 0 8 0 uaddrrnd 24 528068 0 528011 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 528068 0 528011 1 0 1 1 0 8 0 vmmpekpl 168 1825149 0 1825068 36 27 9 20 0 8 0 vmmpepl 168 159416614 0 159375452 203585 201795 1790 3462 0 357 0 vmsppl 256 528069 0 528011 63 59 4 6 0 8 0 phpool 112 206405 0 154936 1784 313 1471 1471 0 8 0