From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932386AbWFLViv (ORCPT ); Mon, 12 Jun 2006 17:38:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932389AbWFLViv (ORCPT ); Mon, 12 Jun 2006 17:38:51 -0400 Received: from mustang.oldcity.dca.net ([216.158.38.3]:49084 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S932386AbWFLViv (ORCPT ); Mon, 12 Jun 2006 17:38:51 -0400 Subject: Re: [PATCH] Fix for the PPTP hangs that have been reported From: Lee Revell To: Paul Mackerras Cc: akpm@osdl.org, torvalds@osdl.org, Alan Cox , linux-kernel@vger.kernel.org, xxebxebx@gmail.com In-Reply-To: <17548.52858.22555.610055@cargo.ozlabs.ibm.com> References: <17548.52858.22555.610055@cargo.ozlabs.ibm.com> Content-Type: text/plain Date: Mon, 12 Jun 2006 17:38:47 -0400 Message-Id: <1150148328.3062.49.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2006-06-12 at 12:16 +1000, Paul Mackerras wrote: > People have been reporting that PPP connections over ptys, such as > used with PPTP, will hang randomly when transferring large amounts of > data, for instance in http://bugzilla.kernel.org/show_bug.cgi?id=6530. > I have managed to reproduce the problem, and the patch below fixes the > actual cause. I was terribly afflicted by this bug and the patch seems to help. Strangely, it made PPTP completely unusable with the -rt kernel - the connection would hang forever - but with 2.6.16 it only seemed to slow things down. Lee