From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263626AbUHGStk (ORCPT ); Sat, 7 Aug 2004 14:49:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264085AbUHGStk (ORCPT ); Sat, 7 Aug 2004 14:49:40 -0400 Received: from fw.osdl.org ([65.172.181.6]:15827 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S263626AbUHGSti (ORCPT ); Sat, 7 Aug 2004 14:49:38 -0400 Date: Sat, 7 Aug 2004 11:49:32 -0700 (PDT) From: Linus Torvalds To: Chris Shoemaker cc: Gene Heskett , Kernel Mailing List , Andrew Morton , Ingo Molnar , vda@port.imtp.ilyichevsk.odessa.ua, ak@suse.de, William Lee Irwin III Subject: Re: Possible dcache BUG In-Reply-To: <20040807134414.GA16953@cox.net> Message-ID: References: <20040806073739.GA6617@elte.hu> <20040806004231.143c8bd2.akpm@osdl.org> <200408060751.07605.gene.heskett@verizon.net> <20040806230924.GA15493@cox.net> <20040807134414.GA16953@cox.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 7 Aug 2004, Chris Shoemaker wrote: > > Well then, maybe you'd like more? I attached two more from the same > period. Please remember that these are 5 months old, and could > represent bugs already fixed. I think this was stock 2.6.4. These look like total memory corruption, they don't look anything like the prune_dcache things. > Perhaps due to CONFIG_REGPARM? I haven't used it for quite a while, but > back in March I was a bit bolder about config options marked > experimental. Entirely possible. gcc has historically had bugs in regparm (extra register pressure causing incorrect register re-use). It's supposed to be fixed in gcc-3+ Linus