From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nivedita Singhvi Subject: Re: Dump of TCP hang in established state Date: Thu, 29 May 2003 14:50:08 -0700 Sender: netdev-bounce@oss.sgi.com Message-ID: <3ED68090.5040903@us.ibm.com> References: <1052841090.13492.20.camel@tux.rsn.bth.se> <20030529.024114.78714066.davem@redhat.com> <1054217010.757.39.camel@tux.rsn.bth.se> <1054238230.709.1.camel@tux.rsn.bth.se> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: "David S. Miller" , netdev@oss.sgi.com Return-path: To: Martin Josefsson In-Reply-To: <1054238230.709.1.camel@tux.rsn.bth.se> Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org Martin Josefsson wrote: > I've just tested 2.5-bk and I can still reproduce it. > The wording of my mail might have been a bit wrong, I don't see complete > hangs, just ~2 minute stalls in ESTABLISHED state and then it continues > like nothing happened. > This actually addresses a situation of memory corruption and illegal reference panics, correct? And should potentially fix such issues or other seeming weirdnesses that might be happening in both sendmsg() and sendfile() code paths? Any other symptoms or particulars? I'm wondering if this addresses might explain some other bugs we have run into (not identified as TCP yet)? thanks, Nivedita