All of lore.kernel.org
 help / color / mirror / Atom feed
From: David <david@unsolicited.net>
To: Peter Volkov <pva@gentoo.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: regression(?): starting with 2.6.21 sending packets became broken.
Date: Sat, 13 Oct 2007 19:59:41 +0100	[thread overview]
Message-ID: <4711159D.1010305@unsolicited.net> (raw)
In-Reply-To: <1192299385.31908.8.camel@localhost>

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).

Cheers
David

  reply	other threads:[~2007-10-13 19:32 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-13 18:16 regression(?): starting with 2.6.21 sending packets became broken Peter Volkov
2007-10-13 18:59 ` David [this message]
2007-10-13 20:35   ` Jan Engelhardt
2007-10-13 23:23     ` Stephen Hemminger
2007-10-28  8:33   ` Peter Volkov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4711159D.1010305@unsolicited.net \
    --to=david@unsolicited.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=pva@gentoo.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.