Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760371AbYFRCgQ (ORCPT ); Tue, 17 Jun 2008 22:36:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759614AbYFRCgH (ORCPT ); Tue, 17 Jun 2008 22:36:07 -0400 Received: from out3.smtp.messagingengine.com ([66.111.4.27]:46976 "EHLO out3.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759592AbYFRCgG (ORCPT ); Tue, 17 Jun 2008 22:36:06 -0400 Date: Wed, 18 Jun 2008 12:21:15 +1000 From: Bron Gondwana To: Linus Torvalds Cc: Bron Gondwana , Linux Kernel Mailing List , Nick Piggin , Andrew Morton , Rob Mueller Subject: Re: BUG: mmapfile/writev spurious zero bytes (x86_64/not i386, bisected, reproducable) Message-ID: <20080618022115.GA1383@brong.net> References: <1213682410.13174.1258837181@webmail.messagingengine.com> <1213682570.13708.1258839317@webmail.messagingengine.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: brong.net User-Agent: Mutt/1.5.17+20080114 (2008-01-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 971 Lines: 25 On Tue, Jun 17, 2008 at 10:08:24AM -0700, Linus Torvalds wrote: > On Tue, 17 Jun 2008, Bron Gondwana wrote: > > > > And I appear to have sent the one without the usage comments at the top. > > Here they are: > > Very interesting. There's certainly something there. > > That said, there's a distracting bug which is visible when doing an strace > > lseek(4, 140333890921392, SEEK_SET) = -1 EINVAL (Invalid argument) > write(4, "\0\0\0\0", 4) = 4 Bah - crap. Sorry about that. I sent you the wrong version of the code. That's what I get for not putting it in revision control. That bug exists because I did an htonl on a value that I shouldn't have. Bron ( now to read the rest of the thread! ) -- 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/