From: Eric Dumazet <dada1@cosmosbay.com>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "YOSHIFUJI Hideaki / 吉藤英明" <yoshfuji@linux-ipv6.org>,
davem@davemloft.net, netdev@vger.kernel.org
Subject: Re: UDP-Lite and /proc/net/snmp
Date: Sat, 10 Nov 2007 16:06:17 +0100 [thread overview]
Message-ID: <4735C8E9.4030401@cosmosbay.com> (raw)
In-Reply-To: <20071110145536.GA7024@gondor.apana.org.au>
Herbert Xu a écrit :
> On Sat, Nov 10, 2007 at 11:48:54PM +0900, YOSHIFUJI Hideaki / 吉藤英明 wrote:
>> Hmm..... "netstat -s" from etch (i386) and etch (x86_64) work
>> fine for me. Same version, same architecture. Strange...
>
> Interesting. What does your /proc/net/snmp file look like?
> And what does netstat -s actually produce?
>
> Thanks,
Quite easy :)
A failing one is > 1024 bytes :
Ip: Forwarding DefaultTTL InReceives InHdrErrors InAddrErrors ForwDatagrams
InUnknownProtos InDiscards InDelivers OutRequests OutDiscards OutNoRoutes
ReasmTimeout ReasmReqds ReasmOKs ReasmFails FragOKs FragFails FragCreates
Ip: 2 64 6954137412 0 23489 0 125 0 6790615249 6423886499 2706 0 13881
164999330 1503683 34165124 1219558 188 54871924
Icmp: InMsgs InErrors InDestUnreachs InTimeExcds InParmProbs InSrcQuenchs
InRedirects InEchos InEchoReps InTimestamps InTimestampReps InAddrMasks
InAddrMaskReps OutMsgs OutErrors OutDestUnreachs OutTimeExcds OutParmProbs
OutSrcQuenchs OutRedirects OutEchos OutEchoReps OutTimestamps OutTimestampReps
OutAddrMasks OutAddrMaskReps
Icmp: 6392743 1256162 3894707 401904 83 20702 172602 1415531 0 3 0 3 0
106773069 0 3894707 401904 83 20702 172602 1415531 0 3 0 3 0
IcmpMsg: InType3 InType4 InType5 InType8 InType11 InType12 InType13 InType17
OutType0 OutType3 OutType11 OutType14
IcmpMsg: 3894707 20702 172602 1415531 401904 83 3 3 1414557 105347007 11502 3
Tcp: RtoAlgorithm RtoMin RtoMax MaxConn ActiveOpens PassiveOpens AttemptFails
EstabResets CurrEstab InSegs OutSegs RetransSegs InErrs OutRsts
Tcp: 1 200 120000 -1 62967275 66063269 17969333 24912734 1278435 6041838336
5717892916 279078174 361708 35913131
Udp: InDatagrams NoPorts InErrors OutDatagrams RcvbufErrors SndbufErrors
Udp: 640604836 101598293 193394 421746699 133903 0
UdpLite: InDatagrams NoPorts InErrors OutDatagrams RcvbufErrors SndbufErrors
UdpLite: 0 0 0 0 0 0
So netstat fails because line 344 in statistics.c :
buf1=TcpExt: SyncookiesSent SyncookiesRecv SyncookiesFailed EmbryonicRsts
PruneCalled RcvPruned OfoPruned OutOfWindowIcmps LockDroppedIcmps ArpFilter TW
TWRecycled TWKilled PAWSPassive PAWSActive PAWSEstab DelayedACKs
DelayedACKLocked DelayedACKLost ListenOverflows ListenDrops TCPPrequeued
TCPDirectCopyFromBacklog TCPDirectCopyFromPrequeue TCPPrequeueDropped
TCPHPHits TCPHPHitsToUser TCPPureAcks TCPHPAcks TCPRenoRecovery
TCPSackRecovery TCPSACKReneging TCPFACKReorder TCPSACKReorder TCPRenoReorder
TCPTSReorder TCPFullUndo TCPPartialUndo TCPDSACKUndo TCPLossUndo TCPLoss
TCPLostRetransmit TCPRenoFailures TCPSackFailures TCPLossFailures
TCPFastRetrans TCPForwardRetrans TCPSlowStartRetrans TCPTimeouts
TCPRenoRecoveryFail TCPSackRecoveryFail TCPSchedulerFailed TCPRcvCollapsed
TCPDSACKOldSent TCPDSACKOfoSent TCPDSACKRecv TCPDSACKOfoRecv TCPAbortOnSyn
TCPAbortOnData TCPAbortOnClose TCPAbortOnMemory TCPAbortOnTimeout
TCPAbortOnLinger TCPAbortFailed TCPMemoryPressures TCPSACKDiscard
TCPDSACKIgnoredOld TCPDSACKIgnoredNoUndo buf2= TCPSpuriousRTOs
So this is an existing kernel bug, not related to UDPlite
next prev parent reply other threads:[~2007-11-10 15:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-10 13:14 UDP-Lite and /proc/net/snmp Herbert Xu
2007-11-10 13:32 ` YOSHIFUJI Hideaki / 吉藤英明
2007-11-10 13:55 ` Eric Dumazet
2007-11-10 14:33 ` Herbert Xu
2007-11-10 14:48 ` YOSHIFUJI Hideaki / 吉藤英明
2007-11-10 14:55 ` Herbert Xu
2007-11-10 15:06 ` Eric Dumazet [this message]
2007-11-10 15:16 ` Eric Dumazet
2007-11-10 15:43 ` Herbert Xu
2007-11-10 20:48 ` Andi Kleen
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