From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758633AbXLLQbB (ORCPT ); Wed, 12 Dec 2007 11:31:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756086AbXLLQax (ORCPT ); Wed, 12 Dec 2007 11:30:53 -0500 Received: from nikita.holtmann.net ([62.75.245.128]:53128 "EHLO mail.holtmann.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752362AbXLLQaw (ORCPT ); Wed, 12 Dec 2007 11:30:52 -0500 X-Greylist: delayed 1295 seconds by postgrey-1.27 at vger.kernel.org; Wed, 12 Dec 2007 11:30:52 EST Subject: Re: 2.6.24-rc4: bluetooth device gone after suspend to ram From: Marcel Holtmann To: Oliver Neukum Cc: Soeren Sonnenburg , Linux Kernel In-Reply-To: <200712121252.54061.oliver@neukum.org> References: <1197455517.8814.10.camel@localhost> <200712121252.54061.oliver@neukum.org> Content-Type: text/plain Date: Wed, 12 Dec 2007 17:08:47 +0100 Message-Id: <1197475727.5644.20.camel@aeonflux> Mime-Version: 1.0 X-Mailer: Evolution 2.12.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Oliver, > > I noticed that on my macbook pro1,1 the bluetooth device is gone after > > suspend to ram, i.e. > > Is this a regression? > Does it work if you unload hci_usb before you suspend? > If so, please recompile with CONFIG_USB_DEBUG and provide > dmesg. sometimes ACPI is involved and will killswitch the Bluetooth device on suspend. Sometimes the distros to a manual killswitch. And in case of Bluetooth a killswitch means physically removing the power from the device. In case of a MacBook it can happen that this device goes back into HID mode and thus you need to call hid2hci. Regards Marcel