From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Fw: [Bug 48601] New: Pauses while downloading Date: Mon, 8 Oct 2012 09:29:49 -0700 Message-ID: <20121008092949.39d6cc4e@nehalam.linuxnetplumber.net> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit To: netdev@vger.kernel.org Return-path: Received: from mail.vyatta.com ([76.74.103.46]:45370 "EHLO mail.vyatta.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753542Ab2JHQa3 (ORCPT ); Mon, 8 Oct 2012 12:30:29 -0400 Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.vyatta.com (Postfix) with ESMTP id D1BB01410202 for ; Mon, 8 Oct 2012 09:30:28 -0700 (PDT) Received: from mail.vyatta.com ([127.0.0.1]) by localhost (mail.vyatta.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id N-4+AobWkpT2 for ; Mon, 8 Oct 2012 09:30:27 -0700 (PDT) Received: from nehalam.linuxnetplumber.net (static-50-53-80-93.bvtn.or.frontiernet.net [50.53.80.93]) by mail.vyatta.com (Postfix) with ESMTPSA id D20E61410211 for ; Mon, 8 Oct 2012 09:30:26 -0700 (PDT) Sender: netdev-owner@vger.kernel.org List-ID: Begin forwarded message: Date: Mon, 8 Oct 2012 09:12:17 +0000 (UTC) From: bugzilla-daemon@bugzilla.kernel.org To: shemminger@linux-foundation.org Subject: [Bug 48601] New: Pauses while downloading https://bugzilla.kernel.org/show_bug.cgi?id=48601 Summary: Pauses while downloading Product: Networking Version: 2.5 Kernel Version: 3.6 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: low Priority: P1 Component: IPV4 AssignedTo: shemminger@linux-foundation.org ReportedBy: colbec@start.ca Regression: No Using OpenSUSE 12.2, Gnome 3.6 with Network Manager. Recently upgraded from kernel 3.5 to 3.6, at which point the issue began. Observed symptoms: while downloading, the stream will stop at random points for 5 to 120+ seconds, and then resume the download. Example 1: while browsing, click on a link one time in 10 (approx) will fail to get the page, and a second click is successful. Sometimes it will begin to get the page, then stop, use back button to get previous page back, click link again and the page is fetched successfully. Example 2: try to test download speed using speedtest.net, one test in two shows a normal start to the download side of the test, during the test the process stops, then recommences after a varying period 5 to 120+ seconds. Pauses happen one or multiple times. Example 3: attempt to download a 20MB mp4 using Firefox. Process begins correctly, but during the download the process stops, again for 5-120 sec, and resumes. Downloads take a long time, but will eventually complete. If I kick it (pause, resume in download manager) it will complete faster. I have replaced cables, NIC; return to kernel 3.5 eliminates the issue. .config file was copied from a 3.4.2 kernel version, worked well for 3.5, and also seemed to be good for 3.6 with the exception of failed webcam which needed V4L reinstated. --- Comment #1 from Alan 2012-10-08 15:03:59 --- Please provide detailed information on the hardware or network setup. Without that it's hard to do anything. --- Comment #2 from colbec@start.ca 2012-10-08 15:43:58 --- OK, first to note is that two Windows machines on the same network using the same wireless route to the WAN do not show this issue. Since kernel 3.5 is clear and only 3.6 is the problem this seems to rule out the network components, but anyway I am connecting to the WAN through two Linksys WRT4GL running DD-WRT. Route continues to WAN through a wireless high speed connection via Motorola Canopy technology. I have replaced the cabling with identical results. I have added a PCI NIC (Realtek) which behaves the same way as the onboard NIC (Atheros AR8131). Memory 3.8 GiB, Intel Core 2 Quad Q8300 @ 2.5 GHz x 4 Graphics Intel G41 64 bit OS, Disk 500 GB. Correction to Gnome version 3.4.2. (not stated 3.6) I have a ream of further hardware info from Yast, please specify what detail would be helpful.