From mboxrd@z Thu Jan 1 00:00:00 1970 From: "David S. Miller" Subject: Re: Assertions when lowering tcp_tso_win_divisor Date: Tue, 16 Nov 2004 16:31:42 -0800 Message-ID: <20041116163142.2530566d.davem@davemloft.net> References: <20041116104755.32bdb7a7.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: sri@us.ibm.com, netdev@oss.sgi.com Return-path: To: Herbert Xu In-Reply-To: Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org On Wed, 17 Nov 2004 07:39:42 +1100 Herbert Xu wrote: > Could you elaborate the code path that you've spotted that causes this > when the divisor is changed? > > Perhaps we're not caching the MSS value everywhere where we should be? Currently I think your theory is better than mine, that 2.6.9 TCP is buggy wrt. TSO. :-)