From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shreyas Bhatewara Subject: Re: WARNING: at kernel/softirq.c:159 _local_bh_enable_ip+0x35/0x71() Date: Wed, 29 Feb 2012 00:18:59 -0800 (PST) Message-ID: <1879896900.614230.1330503539675.JavaMail.root@zimbra-prod-mbox-5.vmware.com> References: <20120223104237.GA2127@electric-eye.fr.zoreil.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: Jongman Heo , netdev@vger.kernel.org, "Scott J. Goldman" , VMware PV-Drivers To: Francois Romieu Return-path: Received: from smtp-outbound-1.vmware.com ([208.91.2.12]:57055 "EHLO smtp-outbound-1.vmware.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751211Ab2B2ITA (ORCPT ); Wed, 29 Feb 2012 03:19:00 -0500 In-Reply-To: <20120223104237.GA2127@electric-eye.fr.zoreil.com> Sender: netdev-owner@vger.kernel.org List-ID: ----- Original Message ----- > (Heo, your mua broke threading) > > Jongman Heo : > > Francois Romieu > > > > Jongman Heo : > > > > Following warning triggered with my VMware Linux guest, when > > > > NFS connection is requested from outside. > > > > > > I'd try reverting 39d4a96fd7d2926e46151adbd18b810aeeea8ec0. > [...] > > I confirm that reverting the commit fixes the warning. > > Shreyas, can you provide a proper fix for this bug (see > http://www.spinics.net/lists/netdev/msg189554.html for details). > > As far as I understand it you can not claim a fake transport layer > header > size for udp and blindly check the available buffer size through > pskb_may_pull later. With a 32 bits HIGHMEM guest config (yuck...) it > ends > up enabling bh within a network device start_xmit context. > > -- > Ueimor > Just sent a patch to fix the transport header size. Thanks. Shreyas