From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarek Poplawski Subject: Re: [Bug #14925] sky2 panic under load Date: Mon, 11 Jan 2010 22:47:58 +0100 Message-ID: <20100111214758.GB3139@del.dom.local> References: <4B4A729E.9060805@gmail.com> <20100111132647.GA11193@ff.dom.local> <201001112032.24243.rjw@sisk.pl> <20100111203128.GA3139@del.dom.local> <4B4B91F0.1090902@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "Rafael J. Wysocki" , netdev@vger.kernel.org To: "Berck E. Nash" Return-path: Received: from mail-fx0-f225.google.com ([209.85.220.225]:33458 "EHLO mail-fx0-f225.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751292Ab0AKVsD (ORCPT ); Mon, 11 Jan 2010 16:48:03 -0500 Received: by fxm25 with SMTP id 25so74434fxm.21 for ; Mon, 11 Jan 2010 13:48:02 -0800 (PST) Content-Disposition: inline In-Reply-To: <4B4B91F0.1090902@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: On Mon, Jan 11, 2010 at 02:02:40PM -0700, Berck E. Nash wrote: > Jarek Poplawski wrote: > > 2) someone with exactly this one problem (i.e. Berck ;-) might be > > mislead "no oops" is enough, while their linux might be still worse > > than before. (So I intended Berck to re-consider or even re-check > > this problem wrt. 2.6.31, and maybe even reporting another > > regression.) > > Well, the problem with this bug is how hard it is for me to reproduce. > I'm willing to admit that just because I never got it before 2.6.32 > isn't proof that it wasn't there in 2.6.31. But it's a regression > somewhere along the line, since I've been using this hardware for over 3 > years now. There were lots of bugs in the sky2 driver years ago, but > for the last 2+ years or so, I haven't had any trouble at all until now. > > The bug only shows up for me with bittorrent traffic. I also use the > same adapter to transfer backups over the network from several > computers, and that doesn't trigger it... > > I used 2.6.31 for however long it was the current stable, and I never > got a crash with it. After I got several crashes in 2.6.32, I reverted > to 2.6.31 until Jarek sent this patch that seems to have fixed it. I've > never gotten it to crash in 2.6.31, so I'm pretty sure it's a 2.6.32 > regression, but I can't prove it. > > I would love to do more testing, but since I can't reproduce the bug at > will, I'm not really sure what to offer? I mainly thought about looking at the logs during such bittorrent to compare if there is any visible change in "sky2 eth0: disabling interface"/"sky2 eth0: enabling interface" etc. frequency between 2.6.31 and 2.6.32. Jarek P.