From mboxrd@z Thu Jan 1 00:00:00 1970 From: Billy Shuman Subject: Re: [bisected] no traffic on ssl vpn with 3.19rc1 - 3.19rc3 Date: Thu, 22 Jan 2015 08:43:44 -0500 Message-ID: References: <20150108205745.GA13460@gondor.apana.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: netdev@vger.kernel.org To: Herbert Xu Return-path: Received: from mail-yh0-f53.google.com ([209.85.213.53]:35275 "EHLO mail-yh0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750832AbbAVNnp (ORCPT ); Thu, 22 Jan 2015 08:43:45 -0500 Received: by mail-yh0-f53.google.com with SMTP id v1so681002yhn.12 for ; Thu, 22 Jan 2015 05:43:44 -0800 (PST) In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: This patch from net-next ended up resolving my issue: >>From 957f094f221f81e457133b1f4c4d95ffa49ff731 Mon Sep 17 00:00:00 2001 From: Alex Gartrell Date: Thu, 25 Dec 2014 23:22:49 -0800 Subject: tun: return proper error code from tun_do_read Instead of -1 with EAGAIN, read on a O_NONBLOCK tun fd will return 0. This fixes this by properly returning the error code from __skb_recv_datagram. On Fri, Jan 9, 2015 at 8:13 AM, Billy Shuman wrote: > Changeset 8c847d254146d32c86574a1b16923ff91bb784dd did not resolve the > issue for me. > > Should I target any other specific changesets? > > Thanks, > Billy > William Shuman > Tel: 260-316-9300 > Email: wshuman3@gmail.com > > > On Thu, Jan 8, 2015 at 3:57 PM, Herbert Xu wrote: >> Billy Shuman wrote: >>> >>> Since 3.19rc1 I get 100% packet loss through SSL vpn. I bisected with >>> the following result: >>> >>> 0b46d0ee9c240c7430a47e9b0365674d4a04522 is the first bad commit >>> commit e0b46d0ee9c240c7430a47e9b0365674d4a04522 >>> Author: Herbert Xu >>> Date: Fri Nov 7 21:22:23 2014 +0800 >>> >>> tun: Use iovec iterators >>> >>> This patch removes the use of skb_copy_datagram_const_iovec in >>> favour of the iovec iterator-based skb_copy_datagram_iter. >>> >>> >>> https://bugzilla.kernel.org/show_bug.cgi?id=90901 >> >> This changeset is known to be buggy. However it was fixed ages >> ago by changeset 8c847d254146d32c86574a1b16923ff91bb784dd. >> >> So please test that changeset to see if it works for you. If it >> does, then please do your bisection between that and the current >> top of tree. >> >> Thanks, >> -- >> Email: Herbert Xu >> Home Page: http://gondor.apana.org.au/~herbert/ >> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt