From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763003AbYEORyu (ORCPT ); Thu, 15 May 2008 13:54:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754781AbYEORyl (ORCPT ); Thu, 15 May 2008 13:54:41 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:58034 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762297AbYEORyk (ORCPT ); Thu, 15 May 2008 13:54:40 -0400 Date: Thu, 15 May 2008 10:54:26 -0700 From: Arjan van de Ven To: Jesse Barnes Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org, len.brown@intel.com, "Rafael J. Wysocki" Subject: Re: Suspend/Resume bug in PCI layer wrt quirks Message-ID: <20080515105426.24ee37d9@infradead.org> In-Reply-To: <200805150907.06930.jbarnes@virtuousgeek.org> References: <20080515070546.6ea9c681@infradead.org> <200805150907.06930.jbarnes@virtuousgeek.org> Organization: Intel X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.9; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 15 May 2008 09:07:06 -0700 > > internally. ioremap()/iounmap() does a global tlb flush of course, > > which includes doing an IPI to other cpus. However, during early > > resume, interrupts are disabled, and it's not allowed to do a > > IPI/global tlbflush with interrupts off... > > Yeah I just got a similar report for quirk_vialatency(). But why are > we only seeing these issues now? Is our interrupt disabled check > catching more stuff these days? we're now more systematically collecting WARN_ON()'s.....