From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754068Ab2IRSxZ (ORCPT ); Tue, 18 Sep 2012 14:53:25 -0400 Received: from mx1.redhat.com ([209.132.183.28]:18891 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753821Ab2IRSxW (ORCPT ); Tue, 18 Sep 2012 14:53:22 -0400 Date: Tue, 18 Sep 2012 14:53:10 -0400 From: Dave Jones To: Linus Torvalds Cc: Linux Kernel , Greg Kroah-Hartman , Srivatsa Vaddagiri , Suzuki Poulose , Raghavendra K T , Konrad Rzeszutek Wilk Subject: Re: 3.6rc6 slab corruption. Message-ID: <20120918185310.GA27689@redhat.com> Mail-Followup-To: Dave Jones , Linus Torvalds , Linux Kernel , Greg Kroah-Hartman , Srivatsa Vaddagiri , Suzuki Poulose , Raghavendra K T , Konrad Rzeszutek Wilk References: <20120918143504.GA30585@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 On Tue, Sep 18, 2012 at 11:38:44AM -0700, Linus Torvalds wrote: > Quoting the entire email, since I added Greg to the list of people (as > the documented maintainer of debugfs) along with what I think are the > guilty parties. > > Dave, is trinity perhaps doing read calls on the same file in parallel? Yeah, entirely possible. It opens hundreds of fd's on startup, and then a bunch of threads do whatever operations are specified on those fds. (in this case, just read/setsockopt, but probably the read's are all that is needed to trigger this) Dave