Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161214AbWBUALj (ORCPT ); Mon, 20 Feb 2006 19:11:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161216AbWBUALj (ORCPT ); Mon, 20 Feb 2006 19:11:39 -0500 Received: from smtp.osdl.org ([65.172.181.4]:38286 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S1161214AbWBUALj (ORCPT ); Mon, 20 Feb 2006 19:11:39 -0500 Date: Mon, 20 Feb 2006 16:09:55 -0800 From: Andrew Morton To: "Rafael J. Wysocki" Cc: efault@gmx.de, helge.hafting@aitel.hist.no, linux-kernel@vger.kernel.org, brlink@debian.org Subject: Re: 2.6.16-rc4-mm1 kernel crash at bootup. parport trouble? Message-Id: <20060220160955.3f0c4671.akpm@osdl.org> In-Reply-To: <200602210102.47371.rjw@sisk.pl> References: <20060220042615.5af1bddc.akpm@osdl.org> <200602210036.30836.rjw@sisk.pl> <20060220154025.0b547085.akpm@osdl.org> <200602210102.47371.rjw@sisk.pl> X-Mailer: Sylpheed version 1.0.4 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 826 Lines: 22 "Rafael J. Wysocki" wrote: > > > > An unrelated problem is that USB host drivers (ohci-hcd, ehci-hcd) refuse to > > > suspend. [Investigating ...] > > > > Me too. > > > > Try reverting reset-pci-device-state-to-unknown-after-disabled.patch. > > Heh, that actually helps. :-) Still I have no idea why is that so ... Because some PCI drivers do pci_disable_device() before pci_set_power_state(). pci_set_power_state() sees PCI_UNKNOWN and runs away in terror. Whether those drivers _should_ be setting the power state of a disabled device is an open question... - 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/