Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758857Ab2EVCIb (ORCPT ); Mon, 21 May 2012 22:08:31 -0400 Received: from mx1.redhat.com ([209.132.183.28]:15826 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750896Ab2EVCIa (ORCPT ); Mon, 21 May 2012 22:08:30 -0400 Date: Mon, 21 May 2012 22:08:25 -0400 From: Dave Jones To: Linus Torvalds Cc: Linux Kernel Subject: Re: 3.4+ dcache BUG. Message-ID: <20120522020825.GA22961@redhat.com> Mail-Followup-To: Dave Jones , Linus Torvalds , Linux Kernel References: <20120522011152.GA18115@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1538 Lines: 38 On Mon, May 21, 2012 at 06:51:51PM -0700, Linus Torvalds wrote: > On Mon, May 21, 2012 at 6:11 PM, Dave Jones wrote: > > Just hit this. Probably related to todays dcache changes ? > > Almost certainly. Except: > > > I'm not sure why, but the dcache.c line numbers don't match up.. > > This kernel was v3.3-rc7-14528-g29db10d which looked like.. > > You seem to not have fetched any tags lately (so it says "3.3-rc7 + > 14528 commits" instead of something more relevant), and I can't make > sense of that SHA1 either (29db10d) either. > > You probably have other changes in your tree as well, explaining the > SHA1 that I don't recognize? ah, yeah. Mostly just stuff like removing noisy printk's that I get tired of seeing when I run trinity. > What was the load that triggered this? Just a regular kernel compile? kernel build doing make -j 64 on a 8 way machine. (quad core with ht) (It has a really fast ssd, so it can really churn through builds quickly). > I see the "comm: cc1" there, and I'm a bit surprised, since I ran > those patches here locally a *lot*. Is this perhaps some low-memory > scenario? hmm, that's a possibility. Machine has 4GB, but with all those gcc/ld's flying around, maybe when it gets to a big link section.. Dave -- 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/