From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: sky2 hangs Date: Thu, 1 Feb 2007 14:58:15 -0800 Message-ID: <20070201145815.199bfe1a@freekitty> References: <20070201185532.GL13130@cip.informatik.uni-erlangen.de> <42007.80.98.159.250.1170369983.squirrel@www.hunhost.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: , , To: "Fagyal Csongor" Return-path: Received: from smtp.osdl.org ([65.172.181.24]:46597 "EHLO smtp.osdl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1422686AbXBAXBO (ORCPT ); Thu, 1 Feb 2007 18:01:14 -0500 In-Reply-To: <42007.80.98.159.250.1170369983.squirrel@www.hunhost.com> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org I can reproduce the problem now (on mac mini). Interestingly it seems to whack the whole ethernet switch when it happens. > > - a previously suggested fix - passing idle=poll to the kernel - did not > work for me at the end It is not an MSI or IRQ problem. It is a phy problem (see below). > - the locks I have happen very periodically (somewhere around every 22-28 > hours), as if the chip would die after a given amount of data transferred; > I know this looks stupid but I thought I might mention it > - I have about 1Mbit/s of (incoming) traffic on this interface: with > short, very high peaks, as there is a MySQL server on the other end, > receiving about 100 queries per second > - unloading the sky2 module totally freezes the computer for me If you do: ethtool -r eth0 it cause a PHY reset (renegotiation) and clears the problem. -- Stephen Hemminger