From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gerrit Renker Subject: Re: [PATCH] dccp: missing destroy of percpu counter variable while unload module Date: Wed, 5 Aug 2009 22:18:09 +0200 Message-ID: <20090805201808.GA32333@gerrit.erg.abdn.ac.uk> References: <4A793867.3030104@cn.fujitsu.com> <4A793BE8.1060101@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: dccp@vger.kernel.org, Netdev , oakad@yahoo.com To: Wei Yongjun Return-path: Received: from dee.erg.abdn.ac.uk ([139.133.204.82]:53662 "EHLO erg.abdn.ac.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751623AbZHEUSU (ORCPT ); Wed, 5 Aug 2009 16:18:20 -0400 Content-Disposition: inline In-Reply-To: <4A793BE8.1060101@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: | > WARNING: at lib/list_debug.c:26 __list_add+0x27/0x5c() | > Hardware name: VMware Virtual Platform | > list_add corruption. next->prev should be prev (c080c0c4), but was (null). (next | > =ca7188cc). | > Modules linked in: dccp(+) nfsd lockd nfs_acl auth_rpcgss exportfs sunrpc | > Pid: 1956, comm: modprobe Not tainted 2.6.31-rc5 #55 | > Call Trace: | > [] warn_slowpath_common+0x6a/0x81 | > [] ? __list_add+0x27/0x5c | > [] warn_slowpath_fmt+0x29/0x2c | > [] __list_add+0x27/0x5c | > [] __percpu_counter_init+0x4d/0x5d | > [] dccp_init+0x19/0x2ed [dccp] | > [] do_one_initcall+0x4f/0x111 | > [] ? dccp_init+0x0/0x2ed [dccp] | > [] ? notifier_call_chain+0x26/0x48 | > [] ? __blocking_notifier_call_chain+0x45/0x51 | > [] sys_init_module+0xac/0x1bd | > [] sysenter_do_call+0x12/0x22 | > | > Signed-off-by: Wei Yongjun | > --- Thanks a lot -- I have added this to the test-tree (which is still 2.6.31-rc1), until the patch is in net-2.6, http://eden-feed.erg.abdn.ac.uk/cgi-bin/gitweb.cgi?p=dccp_exp.git;a=shortlog;h=dccp git://eden-feed.erg.abdn.ac.uk/dccp_exp [subtree dccp] I am wondering whether there is a relationship with http://bugzilla.kernel.org/show_bug.cgi?id=13692 and am cc:ing Alex Dubov, who reported it.