From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [Bugme-new] [Bug 9773] New: pptp/ppp connection die at high speed on Athlon X2 6000+ Date: Thu, 17 Jan 2008 23:48:09 -0800 Message-ID: <20080117234809.fc3f6cca.akpm@linux-foundation.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: bugme-daemon@bugzilla.kernel.org, Paul Mackerras , wizard580@gmail.com To: netdev@vger.kernel.org Return-path: Received: from smtp2.linux-foundation.org ([207.189.120.14]:50906 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753403AbYARHrz (ORCPT ); Fri, 18 Jan 2008 02:47:55 -0500 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On Thu, 17 Jan 2008 23:33:54 -0800 (PST) bugme-daemon@bugzilla.kernel.org wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=9773 > > Summary: pptp/ppp connection die at high speed on Athlon X2 6000+ > Product: Networking > Version: 2.5 > KernelVersion: 2.6.23.12 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: blocking > Priority: P1 > Component: Other > AssignedTo: acme@ghostprotocols.net > ReportedBy: wizard580@gmail.com > > > Distribution: debian sid, vanilla kernel > Hardware Environment: Athlon64 X2 6000+ Nforce5 > Software Environment: pptp 1.7.0 pppd 2.4.4 > > Problem Description: > when I download data at high speed (1,5 MB/s or more) connection (pptp dies) > drops and reconnect begins (persist option used for pppd) and after reconnect > it dies again and again. connection made by "pppd call provider" > > before upgrade of hardware (was Athlon64 3500+ NForce4) all works fine at any > speed. > > Connection will be working if I do some CPU aggressive work such as kernel > compile at the same time when I download. When CPU load become low it will drop > again. > > kernel 2.6.24rc8 makes it worst. As I see it just hangs my console with message > something like "waiting for ppp0 finish" or so... I don't remember exactly > message. > > > Steps to reproduce: > I think you can use any X2 Athlon, make pptp connection and try to download > something... (weird)