Messages in this thread | | | Subject | Re: TCP connection failure in 2.3.x | From | Andi Kleen <> | Date | 10 Jul 1999 14:26:53 +0200 |
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graham@barnowl.demon.co.uk (Graham Murray) writes: > > The sequence of events which consistently shows this problem is to > bring up the ppp link using diald by initiating five parallel calls to > nntpget to download news. The ISP attempts to initiate SMTP > connections from 2 mailers about 30s after the link is established. By > this time, the link is busy passing data from the nntp servers. The > tcpdump output shows that the initial SYN packets are ACKd very > quickly, then after about 500ms, the SYN ACK is resent multiple times > in very quick sucession. About 4.5s later the ISP sends an ACK in > response to my SYN ACK packets (thus completing the 3-way handshake), > but instead of continuing the connection, my system Resets it.
This was introduced by a bug "fix" in late 2.2, and should be already fixed again in 2.2.10/2.3.10. Could you check if it goes away when you upgrade?
-Andi
-- This is like TV. I don't like TV.
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