From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <gentoo-user+bounces-150264-garchives=archives.gentoo.org@lists.gentoo.org> Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id C0CB11381F3 for <garchives@archives.gentoo.org>; Sun, 1 Sep 2013 12:09:20 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id C7334E0D05; Sun, 1 Sep 2013 12:09:15 +0000 (UTC) Received: from mail-we0-f179.google.com (mail-we0-f179.google.com [74.125.82.179]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 6C866E08A1 for <gentoo-user@lists.gentoo.org>; Sun, 1 Sep 2013 12:09:14 +0000 (UTC) Received: by mail-we0-f179.google.com with SMTP id t58so2898089wes.38 for <gentoo-user@lists.gentoo.org>; Sun, 01 Sep 2013 05:09:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=OBhuNRlCFJRUPnC01qyrzqoEqAYW+TBRf+7YMyIdXzU=; b=mzCPZV/+FODjCxxx6PTA8ZIZgrokXGKc7PJU0+9kpsPERM8CEvBj58VoWQZbJGyvxq QOAN54+mgIPvp+QrS+miwa1C8/KskaH3x/Vbjy50OU3ZwOZOzaHHrcc88vD50TfGs2e6 j9BlXR7EkG9CNGTWuELZJhF6VcUDQ3rwVNIuYmCC6mfYlgWKGsi5MYl3jJFEe3/ciVpl aQ55eUqXLfWHEs0dw1YeLLuXckOtB2hRsmLJf+tiGojmiectsDwyawbwvCJVtlhvnOgH PAancMLg5pLkqADjkWmHkFpksJJjnI/oQnGbceE1kpsiZoXfElcEJN8GQogzXXVWsrM7 raew== Precedence: bulk List-Post: <mailto:gentoo-user@lists.gentoo.org> List-Help: <mailto:gentoo-user+help@lists.gentoo.org> List-Unsubscribe: <mailto:gentoo-user+unsubscribe@lists.gentoo.org> List-Subscribe: <mailto:gentoo-user+subscribe@lists.gentoo.org> List-Id: Gentoo Linux mail <gentoo-user.gentoo.org> X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 X-Received: by 10.180.183.137 with SMTP id em9mr8967910wic.56.1378037352835; Sun, 01 Sep 2013 05:09:12 -0700 (PDT) Received: by 10.194.93.199 with HTTP; Sun, 1 Sep 2013 05:09:12 -0700 (PDT) In-Reply-To: <201309011301.02014.michaelkintzios@gmail.com> References: <CAN0CFw1NOD-cfwwOZuU8geHbLP7kzgc9FRGa+3nRFp9sbBGowA@mail.gmail.com> <201309010937.48181.michaelkintzios@gmail.com> <CAN0CFw1-gttSL_N1aMh9QRsJDfRHEEsXLMPgDw--RbxPNXGc4w@mail.gmail.com> <201309011301.02014.michaelkintzios@gmail.com> Date: Sun, 1 Sep 2013 05:09:12 -0700 Message-ID: <CAN0CFw1bPDDkGMGXBi7f3+VBD6kmuRTtkxTyHQNUm9kmVKgDgQ@mail.gmail.com> Subject: Re: [gentoo-user] PMTUD From: Grant <emailgrant@gmail.com> To: Gentoo mailing list <gentoo-user@lists.gentoo.org> Content-Type: text/plain; charset=ISO-8859-1 X-Archives-Salt: 27595b94-d228-4a6d-b938-cea3aa4ba8f9 X-Archives-Hash: 4cf71d13e7b6652580a13fb30d169609 >> > If you are still troubled by the proxy connection stalling problem, have >> > you tried transferring large files over the network using scp/sftp to >> > see if you are also getting similar symptoms? This would isolate it to >> > the application level (squid) or if the problem remains would point to >> > network configuration issues. >> >> How can I make this determination? I'm testing a 50MB scp over hotel >> wifi from my laptop to the remote proxy server now (with squid running >> in case it matters) and it seems OK. It oscillates constantly between >> 0.0KB/s and 80.0KB/s. As soon as I start browsing via the proxy >> server, the upload frequently goes to "stalled" but I suppose that >> could be a bandwidth issue. Browsing still stalls before very long. > > The oscillation is related to buffering and is normal. If you are getting > longer stalling periods where no packets are being transmitted then there > could be a network problem. iptraf-ng, ntop and other tools can show if > packets have stopped moving in either direction. > > From what you're describing the problem seems related to the squid > application, since scp is not seeing similar timeouts. Strangely, the ziproxy application behaves in exactly the same way. - Grant