From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754251Ab1KPWsM (ORCPT ); Wed, 16 Nov 2011 17:48:12 -0500 Received: from mail.vyatta.com ([76.74.103.46]:42851 "EHLO mail.vyatta.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752988Ab1KPWsL (ORCPT ); Wed, 16 Nov 2011 17:48:11 -0500 Date: Wed, 16 Nov 2011 14:48:06 -0800 From: Stephen Hemminger To: Sven Joachim Cc: netdev@vger.kernel.org, "David S. Miller" , linux-kernel@vger.kernel.org Subject: Re: sky2 driver breaks reboot/shutdown Message-ID: <20111116144806.0b6e327f@nehalam.linuxnetplumber.net> In-Reply-To: <878vnfpy6y.fsf@turtle.gmx.de> References: <878vnfpy6y.fsf@turtle.gmx.de> Organization: Vyatta X-Mailer: Claws Mail 3.7.10 (GTK+ 2.24.7; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 16 Nov 2011 22:14:13 +0100 Sven Joachim wrote: > [ Resending since my first attempt apparently did not make it to the > mailing lists. Apologies to anyone who receives duplicates. ] > > Hi, > > after upgrading from Linux 3.1 to 3.2-rc2 I noticed that the kernel > would no longer reboot or shutdown properly, hanging instead. Removing > the sky2 driver works around this. According to "lspci -v", I have the > following network card: > > ,---- > | 03:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8056 PCI-E Gigabit Ethernet Controller (rev 13) > | Subsystem: ABIT Computer Corp. Device 108f > | Flags: bus master, fast devsel, latency 0, IRQ 17 > | Memory at fdefc000 (64-bit, non-prefetchable) [size=16K] > | I/O ports at ce00 [size=256] > | [virtual] Expansion ROM at fdd00000 [disabled] [size=128K] > | Capabilities: > | Kernel driver in use: sky2 > `---- > > Bisecting shows 0bdb0bd01 as the first bad commit: > Already reported. I am testing a fix. The hang is happening in synchronize_irq in sky2_hw_all_down; but there are several other bugs that were introduced at the same time.