From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arjan van de Ven Subject: Re: 2.6.17-rc5-mm1 Date: Tue, 30 May 2006 18:08:49 +0200 Message-ID: <1149005329.3636.78.camel@laptopd505.fenrus.org> References: <20060530022925.8a67b613.akpm@osdl.org> <6bffcb0e0605300859x5c8f83f5w635fd25f0100fca@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Andrew Morton , mingo@elte.hu Return-path: Received: from a222036.upc-a.chello.nl ([62.163.222.36]:14736 "EHLO laptopd505.fenrus.org") by vger.kernel.org with ESMTP id S1751534AbWE3QJK (ORCPT ); Tue, 30 May 2006 12:09:10 -0400 To: Michal Piotrowski In-Reply-To: <6bffcb0e0605300859x5c8f83f5w635fd25f0100fca@mail.gmail.com> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Tue, 2006-05-30 at 17:59 +0200, Michal Piotrowski wrote: > Hi, > > On 30/05/06, Andrew Morton wrote: > > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17-rc5/2.6.17-rc5-mm1/ > > > > > > It looks like a network stack problem. > > May 30 17:50:34 ltg01-fedora init: Switching to runlevel: 6 > May 30 17:50:35 ltg01-fedora avahi-daemon[1878]: Got SIGTERM, quitting. > May 30 17:50:35 ltg01-fedora avahi-daemon[1878]: Leaving mDNS > multicast group on interface eth0.IPv4 with address 192.168.0. > 14. > May 30 17:50:35 ltg01-fedora kernel: > May 30 17:50:35 ltg01-fedora kernel: ====================================== > May 30 17:50:35 ltg01-fedora kernel: [ BUG: bad unlock ordering detected! ] > May 30 17:50:35 ltg01-fedora kernel: -------------------------------------- > May 30 17:50:35 ltg01-fedora kernel: avahi-daemon/1878 is trying to does this fix it for you? Mark out of order unlocking in igmp.c as such Signed-off-by: Arjan van de Ven --- net/ipv4/igmp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux-2.6.17-rc5-mm1-lockdep/net/ipv4/igmp.c =================================================================== --- linux-2.6.17-rc5-mm1-lockdep.orig/net/ipv4/igmp.c +++ linux-2.6.17-rc5-mm1-lockdep/net/ipv4/igmp.c @@ -1472,7 +1472,7 @@ static int ip_mc_del_src(struct in_devic return -ESRCH; } spin_lock_bh(&pmc->lock); - read_unlock(&in_dev->mc_list_lock); + read_unlock_non_nested(&in_dev->mc_list_lock); #ifdef CONFIG_IP_MULTICAST sf_markstate(pmc); #endif