Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964889AbVJZTk0 (ORCPT ); Wed, 26 Oct 2005 15:40:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964890AbVJZTk0 (ORCPT ); Wed, 26 Oct 2005 15:40:26 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:51941 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S964889AbVJZTkZ (ORCPT ); Wed, 26 Oct 2005 15:40:25 -0400 Subject: Re: "Badness in local_bh_enable" - a reasonable fix? From: Arjan van de Ven To: Steve Snyder Cc: Linux Kernel Mailing List In-Reply-To: <200510261534.38291.R00020C@freescale.com> References: <200510261534.38291.R00020C@freescale.com> Content-Type: text/plain Date: Wed, 26 Oct 2005 21:40:10 +0200 Message-Id: <1130355615.3339.10.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit X-Spam-Score: 2.9 (++) X-Spam-Report: SpamAssassin version 3.0.4 on pentafluge.infradead.org summary: Content analysis details: (2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.1 RCVD_IN_SORBS_DUL RBL: SORBS: sent directly from dynamic IP address [80.57.133.107 listed in dnsbl.sorbs.net] 2.8 RCVD_IN_DSBL RBL: Received via a relay in list.dsbl.org [] X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1406 Lines: 33 On Wed, 2005-10-26 at 15:34 -0400, Steve Snyder wrote: > [ I observed the following on a Fedora Core 3 system, running kernel > 2.6.12-1.1380_FC3. I am posting this here because a quick Googling > indicates that the problem is not specific to this environment. ] > > Today I found my system log filled with the error shown below. > Reading a 366MB file across a NFS mount results in over 6300 > occurrences of the error being written to the system log of the NFS > server. > > I have 2 network interfaces in the NFS server machine, a standard > kernel Ethernet device driver and my own Ultra-Wide Band (UWB) device > driver. (In the error shown below the references to "fsuwbpci" are my > driver.) This problem is not seen when using the Ethernet interface, > but is perfectly consistent when reading a NFS-mounted file across the > UWB interface. Therefore there is a problem with my code. > > I quickly established that the error came from within this routine: > > ------------------------------------------- > > kernel: Badness in local_bh_enable at kernel/softirq.c:140 (Tainted: P ) hmmm binary module? please try without. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/