Date: Thu, 14 Oct 2010 22:37:31 +0300 From: =?windows-1251?B?yu7t/Oru4iDF4uPl7ejp?= <kes-kes@yandex.ru> To: =?windows-1251?B?yu7t/Oru4iDF4uPl7ejp?= <kes-kes@yandex.ru> Cc: freebsd-net@freebsd.org Subject: Re: problem with net subsystem Message-ID: <276052631.20101014223731@yandex.ru> In-Reply-To: <801172760.20101014204450@yandex.ru> References: <8710276544.20101014084846@yandex.ru> <1861551856.20101014120300@gmail.com> <801172760.20101014204450@yandex.ru>
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Здравствуйте, Eugen. Вы писали 14 октября 2010 г., 20:44:50: EK> Hi EK> #top -SI EK> last pid: 67653; load averages: 1.23, 1.12, 1.24 up 1+09:46:14 20:22:34 EK> 94 processes: 3 running, 76 sleeping, 15 waiting EK> CPU: 0.0% user, 0.0% nice, 33.3% system, 66.7% interrupt, 0.0% idle EK> Mem: 54M Active, 226M Inact, 103M Wired, 59M Buf, 103M Free EK> Swap: 2048M Total, 2048M Free EK> PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU COMMAND EK> 13 root 1 106 - 0K 8K RUN 251:36 49.02% ng_queue EK> 11 root 1 171 ki31 0K 8K RUN 21.5H 35.60% idle EK> 12 root 15 -44 - 0K 120K WAIT 31:04 12.06% intr EK> 0 root 9 -68 0 0K 64K - 18:13 0.49% kernel EK> 67618 root 1 44 0 10020K 2312K ttyin 0:00 0.34% systat EK> 18710 root 2 44 0 84660K 62868K select 16:11 0.29% mpd5 EK> 67653 root 1 44 0 9944K 2020K RUN 0:00 0.15% top EK> there are no queues nor pipes in ipfw. EK> #systat -v EK> users Load EK> Mem:KB REAL VIRTUAL VN PAGER SWAP PAGER EK> Tot Share Tot Share Free in out in out EK> Act count EK> All pages EK> Proc: Interrupts EK> r p d s w Csw Trp Sys Int Sof Flt cow total EK> zfod EK> ozfod EK> . %Sys . %Intr . %User . %Nice . %Idle %ozfod EK> | | | | | | | | | | | daefr EK> prcfr EK> dtbuf totfr EK> Namei Name-cache Dir-cache desvn react EK> Calls hits % hits % numvn pdwak EK> frevn pdpgs EK> intrn EK> Disks ad0 wire EK> KB/t act EK> tps inact EK> MB/s cache EK> %busy free EK> # vmstat -i EK> interrupt total rate EK> irq1: atkbd0 1203 0 EK> irq14: ata0 139502 1 EK> irq15: ata1 35 0 EK> irq19: sis0 0 0 EK> cpu0:timer 258485585 2124 EK> Total 783059828 6436 EK> # ifconfig sis0 EK> sis0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 EK> options=82048<VLAN_MTU,POLLING,WOL_MAGIC,LINKSTATE> EK> ether 00:0b:6a:a6:0c:f0 EK> inet 10.11.8.18 netmask 0xffffff00 broadcast 10.11.8.255 EK> inet6 fe80::20b:6aff:fea6:cf0%sis0 prefixlen 64 scopeid 0x1 EK> inet R.E.A.L netmask 0xfffffffc broadcast X.X.X.X EK> nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> EK> media: Ethernet autoselect (100baseTX <full-duplex>) EK> status: active EK> #netstat -s EK> tcp: EK> 205416 packets sent EK> 124715 data packets (8022081 bytes) EK> 1425 data packets (99472 bytes) retransmitted EK> 38 data packets unnecessarily retransmitted EK> 0 resends initiated by MTU discovery EK> 75509 ack-only packets (64514 delayed) EK> 0 URG only packets EK> 0 window probe packets EK> 0 window update packets EK> 3824 control packets EK> 1653273 packets received EK> 115656 acks (for 8017539 bytes) EK> 1967 duplicate acks EK> 0 acks for unsent data EK> 104386 packets (4886466 bytes) received in-sequence EK> 62 completely duplicate packets (1512 bytes) EK> 0 old duplicate packets EK> 0 packets with some dup. data (0 bytes duped) EK> 4 out-of-order packets (112 bytes) EK> 0 packets (0 bytes) of data after window EK> 0 window probes EK> 3 window update packets EK> 1 packet received after close EK> 4 discarded for bad checksums EK> 0 discarded for bad header offset fields EK> 0 discarded because packet too short EK> 0 discarded due to memory problems EK> 1441 connection requests EK> 1091 connection accepts EK> 0 bad connection attempts EK> 6726 listen queue overflows EK> 25 ignored RSTs in the windows EK> 2530 connections established (including accepts) EK> 111289 connections closed (including 214 drops) EK> 2185 connections updated cached RTT on close EK> 2267 connections updated cached RTT variance on close EK> 1516 connections updated cached ssthresh on close EK> 2 embryonic connections dropped EK> 107299 segments updated rtt (of 107034 attempts) EK> 1434 retransmit timeouts EK> 68 connections dropped by rexmit timeout EK> 0 persist timeouts EK> 0 connections dropped by persist timeout EK> 0 Connections (fin_wait_2) dropped because of timeout EK> 0 keepalive timeouts EK> 0 keepalive probes sent EK> 0 connections dropped by keepalive EK> 554 correct ACK header predictions EK> 19107 correct data packet header predictions EK> 6278 syncache entries added EK> 4 retransmitted EK> 0 dupsyn EK> 5 dropped EK> 1091 completed EK> 0 bucket overflow EK> 0 cache overflow EK> 1 reset EK> 0 stale EK> 6726 aborted EK> 0 badack EK> 0 unreach EK> 0 zone failures EK> 6283 cookies sent EK> 1540 cookies received EK> 19 SACK recovery episodes EK> 40 segment rexmits in SACK recovery episodes EK> 18640 byte rexmits in SACK recovery episodes EK> 298 SACK options (SACK blocks) received EK> 2 SACK options (SACK blocks) sent EK> 0 SACK scoreboard overflow EK> 0 packets with ECN CE bit set EK> 0 packets with ECN ECT(0) bit set EK> 0 packets with ECN ECT(1) bit set EK> 0 successful ECN handshakes EK> 0 times ECN reduced the congestion window EK> udp: EK> 2633751 datagrams received EK> 0 with incomplete header EK> 1 with bad data length field EK> 79 with bad checksum EK> 31975 with no checksum EK> 2172028 dropped due to no socket EK> 158299 broadcast/multicast datagrams undelivered EK> 0 dropped due to full socket buffers EK> 0 not for hashed pcb EK> 303344 delivered EK> 316572 datagrams output EK> 0 times multicast source filter matched EK> sctp: EK> ....... EK> ip: EK> 617221119 total packets received EK> 99 bad header checksums EK> 0 with size smaller than minimum EK> 0 with data size < data length EK> 0 with ip length > max ip packet size EK> 0 with header length < data size EK> 0 with data length < header length EK> 0 with bad options EK> 0 with incorrect version number EK> 66 fragments received EK> 0 fragments dropped (dup or out of space) EK> 0 fragments dropped after timeout EK> 33 packets reassembled ok EK> 188676089 packets for this host EK> 46175 packets for unknown/unsupported protocol EK> 428113078 packets forwarded (0 packets fast forwarded) EK> 366167 packets not forwardable EK> 0 packets received for unknown multicast group EK> 0 redirects sent EK> 356645899 packets sent from this host EK> 10295 packets sent with fabricated ip header EK> 514772 output packets dropped due to no bufs, etc. EK> 0 output packets discarded due to no route EK> 88839756 output datagrams fragmented EK> 177696236 fragments created EK> 304600 datagrams that can't be fragmented EK> 0 tunneling packets that can't find gif EK> 0 datagrams with bad address in header EK> icmp: EK> 2347631 calls to icmp_error EK> 31 errors not generated in response to an icmp message EK> Output histogram: EK> echo reply: 2129 EK> destination unreachable: 2346451 EK> time exceeded: 49 EK> 0 messages with bad code fields EK> 0 messages less than the minimum length EK> 0 messages with bad checksum EK> 0 messages with bad length EK> 0 multicast echo requests ignored EK> 0 multicast timestamp requests ignored EK> Input histogram: EK> echo reply: 8242 EK> destination unreachable: 4417 EK> routing redirect: 37388 EK> echo: 2129 EK> time exceeded: 7414 EK> 2129 message responses generated EK> 0 invalid return addresses EK> 0 no return routes EK> ICMP address mask responses are disabled EK> igmp: EK> ..... EK> arp: EK> 825 ARP requests sent EK> 26292 ARP replies sent EK> 246041 ARP requests received EK> 761 ARP replies received EK> 246802 ARP packets received EK> 29 total packets dropped due to no ARP entry EK> 373 ARP entrys timed out EK> 0 Duplicate IPs seen EK> *6: EK> .... all values are zero (no ipv6) EK> pings from client machine to inet (tunnel over pptp): EK> Ответ от 93.158.134.3: число байт=32 время=64мс TTL=55 EK> Ответ от 93.158.134.3: число байт=32 время=64мс TTL=55 EK> Ответ от 93.158.134.3: число байт=32 время=90мс TTL=55 EK> Ответ от 93.158.134.3: число байт=32 время=60мс TTL=55 EK> Ответ от 93.158.134.3: число байт=32 время=55мс TTL=55 EK> Ответ от 93.158.134.3: число байт=32 время=56мс TTL=55 EK> Ответ от 93.158.134.3: число байт=32 время=64мс TTL=55 EK> Ответ от 93.158.134.3: число байт=32 время=98мс TTL=55 EK> Ответ от 93.158.134.3: число байт=32 время=187мс TTL=55 EK> Ответ от 93.158.134.3: число байт=32 время=137мс TTL=55 EK> Ответ от 93.158.134.3: число байт=32 время=249мс TTL=55 EK> Ответ от 93.158.134.3: число байт=32 время=73мс TTL=55 EK> Ответ от 93.158.134.3: число байт=32 время=159мс TTL=55 EK> Ответ от 93.158.134.3: число байт=32 время=106мс TTL=55 EK> Ответ от 93.158.134.3: число байт=32 время=75мс TTL=55 EK> Ответ от 93.158.134.3: число байт=32 время=58мс TTL=55 EK> # netstat -w 1 -h -d -I sis0 EK> 9.8K 0 0 7.7M 12K 0 7.9M 0 0 EK> 9.3K 0 0 7.4M 12K 0 7.6M 0 0 EK> 7.2K 0 0 5.5M 9.1K 0 5.7M 0 0 EK> 7.5K 0 0 5.7M 8.9K 0 5.8M 0 0 EK> 8.4K 0 0 6.6M 11K 0 6.8M 0 0 EK> 8.9K 0 0 7.1M 11K 0 7.3M 0 0 EK> 8.4K 0 0 6.8M 11K 0 7.0M 0 0 EK> input (sis0) output EK> packets errs idrops bytes packets errs bytes colls drops EK> 8.5K 0 0 6.8M 11K 0 7.0M 0 0 EK> 9.3K 0 0 7.4M 12K 0 7.6M 0 0 EK> 8.0K 0 0 6.4M 10K 0 6.5M 0 0 EK> 7.2K 0 0 5.6M 9.3K 0 5.8M 0 187 EK> 8.4K 0 0 6.8M 11K 0 6.9M 0 0 EK> 7.9K 0 0 6.0M 9.6K 0 6.1M 0 0 EK> 8.2K 0 0 6.4M 9.9K 0 6.5M 0 0 EK> 8.5K 0 0 6.7M 10K 0 6.8M 0 0 EK> 8.0K 0 0 6.5M 9.9K 0 6.7M 0 0 EK> as you notice there are somitimes drops EK> Uplink is 75Mbit/s wide. EK> Where can be a trouble? last pid: 67962; load averages: 1.01, 0.97, 0.98 up 1+11:47:53 22:24:13 93 processes: 3 running, 75 sleeping, 15 waiting CPU: 0.8% user, 0.0% nice, 28.6% system, 37.6% interrupt, 32.9% idle Mem: 56M Active, 227M Inact, 103M Wired, 59M Buf, 100M Free Swap: 2048M Total, 2048M Free PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU COMMAND 11 root 1 171 ki31 0K 8K RUN 21.9H 64.11% idle 13 root 1 60 - 0K 8K RUN 285:50 27.10% ng_queue 12 root 15 -44 - 0K 120K WAIT 89:06 3.56% intr 67901 root 1 44 0 9944K 2020K RUN 0:01 0.10% top 18710 root 2 44 0 84660K 62876K select 17:03 0.05% mpd5 strange, but 'intr' is always 'WAIT'. and what is ng_queue? -- С уважением, Коньков mailto:kes-kes@yandex.ru
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