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Date:	Thu, 17 Jan 2008 23:48:09 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	netdev@...r.kernel.org
Cc:	bugme-daemon@...zilla.kernel.org,
	Paul Mackerras <paulus@...ba.org>, wizard580@...il.com
Subject: Re: [Bugme-new] [Bug 9773] New: pptp/ppp connection die at high
 speed on Athlon X2 6000+

On Thu, 17 Jan 2008 23:33:54 -0800 (PST) bugme-daemon@...zilla.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@...stprotocols.net
>         ReportedBy: wizard580@...il.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)
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