From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765904AbXGKRy1 (ORCPT ); Wed, 11 Jul 2007 13:54:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759108AbXGKRyQ (ORCPT ); Wed, 11 Jul 2007 13:54:16 -0400 Received: from threatwall.zlynx.org ([199.45.143.218]:32843 "EHLO zlynx.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1758617AbXGKRyP (ORCPT ); Wed, 11 Jul 2007 13:54:15 -0400 Message-ID: <46951941.9080908@acm.org> Date: Wed, 11 Jul 2007 11:54:09 -0600 From: Zan Lynx User-Agent: Thunderbird 2.0.0.4 (Windows/20070604) MIME-Version: 1.0 To: Jesper Juhl CC: Linux Kernel Mailing List , Linus Torvalds Subject: Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...? References: <200707111916.35036.jesper.juhl@gmail.com> In-Reply-To: <200707111916.35036.jesper.juhl@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Envelope-From: zlynx@acm.org Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jesper Juhl wrote: > Hi, > > I'm wondering if it's time to make 4K stacks the default and to start > considering removing the 8K stack option alltogether soon? > > One of the big problem spots was XFS, but that got some stack usage > fixes recently, and the 4K stack option has been around for quite a > while now, so people really should have gotten around to fixing any > code that can't handle it. Are there still any big problem areas > remaining? > Has anyone fixed the infrequent crashes with 4K stacks and ext3 -> LVM snapshot -> LVM -> DM mirror -> libata? The latest (as of 150 days ago) Fedora 6 32-bit kernels crashed every week or two, the 64-bit kernel, which I believe uses 8K stacks, has been up 150 days.