Messages in this thread | | | Date | Sat, 13 Oct 2007 19:59:41 +0100 | From | David <> | Subject | Re: regression(?): starting with 2.6.21 sending packets became broken. |
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Peter Volkov wrote: > Hello, all on the list. > > Please CC me in answers, I'm not subscribed. Please, if this is wrong > list tell me what is correct. > > Starting with 2.6.21 (or may be 2.6.20 as I have not tried it) kernel I > have problem that most tcp based services freeze at some point of > operation. I've noticed this first on ssh but then found out that at > lease one other service became similarly. The problem sites somewhere in > the kernel as I've compiled 2.6.19, 2.6.21, and 2.6.22 with the > similar .config options (of course not exact, as some options does not > exist in some kernels, but seems that enabled options are all the same) > but I have this problem only with the 21 and 22. I've tried to debug the > problem a bit, but not a lot as that is production box working as linux > based firewall/router. > Try
echo 0 > /proc/sys/net/ipv4/tcp_window_scaling
I bet you have broken router(s) between your machine and the problem site(s).
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