From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 10 May 2001 08:59:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 10 May 2001 08:59:37 -0400 Received: from zeus.kernel.org ([209.10.41.242]:47751 "EHLO zeus.kernel.org") by vger.kernel.org with ESMTP id ; Thu, 10 May 2001 08:59:22 -0400 Date: Wed, 9 May 2001 22:24:56 -0700 From: Greg KH To: clameter@lameter.com Cc: linux-kernel@vger.kernel.org Subject: Re: USB broken in 2.4.4? Serial Ricochet works, USB performance sucks. Message-ID: <20010509222456.A4960@kroah.com> In-Reply-To: <20010509203259.B4685@kroah.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from clameter@lameter.com on Wed, May 09, 2001 at 11:09:36PM -0700 X-Operating-System: Linux 2.2.19 (i586) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 09, 2001 at 11:09:36PM -0700, clameter@lameter.com wrote: > > Allright then you should first check why the ACM driver is unable to > handle an MTU of 1500. I had to set it to 232 or 500 to make it work at > all. With an MTU of 1500 it does ICMP but not long tcp packets. There is > some issue with long packets that might exceed some buffer size(?). I don't see anything in the ACM driver that would cause a problem for large MTU settings. It is probably a device limitation, not the driver. greg k-h