Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750712AbVKUUMw (ORCPT ); Mon, 21 Nov 2005 15:12:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750765AbVKUUMw (ORCPT ); Mon, 21 Nov 2005 15:12:52 -0500 Received: from web34111.mail.mud.yahoo.com ([66.163.178.109]:22635 "HELO web34111.mail.mud.yahoo.com") by vger.kernel.org with SMTP id S1750712AbVKUUMv (ORCPT ); Mon, 21 Nov 2005 15:12:51 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Received:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=RGSiKeV3ZwbWUw4ht71kJ8torDnhMXZC5nBAhjBeN9BUC560Y0AIgL6DTl2sqEIEI/FP0VS/AO8KDjMyPDbJlAgsKSRPK/ZiQVH3P0HAgZn3iuOAfYQvS8v5WcOK/datQTNfQjiG5aD5gotARZ4dPa1AK3wtQedSo8KKiso5fL4= ; Message-ID: <20051121201250.28812.qmail@web34111.mail.mud.yahoo.com> Date: Mon, 21 Nov 2005 12:12:50 -0800 (PST) From: Kenny Simpson Subject: Re: infinite loop? with mmap, nfs, pwrite, O_DIRECT To: linux-kernel@vger.kernel.org In-Reply-To: <438208A1.5020300@citi.umich.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 761 Lines: 23 > I have a smaller test case (4 system calls, and a memset), that causes the test case to hang in an > unkillable state*, and makes the system load consume an entire CPU. Problem still exists in -rc2, but OProfile shows slightly different results: samples % symbol name 2919823 86.8716 unmap_mapping_range 163379 4.8609 _raw_spin_trylock 36453 1.0846 prio_tree_first -Kenny __________________________________ Start your day with Yahoo! - Make it your home page! http://www.yahoo.com/r/hs - 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/