From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Jones Subject: Re: e1000e failed to check map error Date: Tue, 12 Mar 2013 14:51:01 -0400 Message-ID: <20130312185101.GA13662@redhat.com> References: <20130301053007.GA14474@redhat.com> <804857E1F29AAC47BF68C404FC60A1844D022AE1@ORSMSX102.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "netdev@vger.kernel.org" To: "Allan, Bruce W" Return-path: Received: from mx1.redhat.com ([209.132.183.28]:44451 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932302Ab3CLSvR (ORCPT ); Tue, 12 Mar 2013 14:51:17 -0400 Content-Disposition: inline In-Reply-To: <804857E1F29AAC47BF68C404FC60A1844D022AE1@ORSMSX102.amr.corp.intel.com> Sender: netdev-owner@vger.kernel.org List-ID: On Fri, Mar 01, 2013 at 05:13:29PM +0000, Allan, Bruce W wrote: > > -----Original Message----- > > From: netdev-owner@vger.kernel.org [mailto:netdev- > > owner@vger.kernel.org] On Behalf Of Dave Jones > > Sent: Thursday, February 28, 2013 9:30 PM > > To: netdev@vger.kernel.org > > Subject: e1000e failed to check map error > > > > Linus' current tree shows this shortly after boot for me.. > > > > WARNING: at lib/dma-debug.c:933 check_unmap+0x407/0x8a0() > > Thanks for the report Dave. I'll look into it. > > Bruce. fwiw, I see this also on 3.8.x, albeit with a different size.. e1000e 0000:05:00.0: DMA-API: device driver failed to check map error[device address=0x0000000007130000] [size=24 bytes] [mapped as page] Same backtrace though. Dave