From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756996AbXLLSX6 (ORCPT ); Wed, 12 Dec 2007 13:23:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751012AbXLLSXv (ORCPT ); Wed, 12 Dec 2007 13:23:51 -0500 Received: from nn7.de ([85.214.94.156]:38292 "EHLO nn7.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750887AbXLLSXu (ORCPT ); Wed, 12 Dec 2007 13:23:50 -0500 Subject: Re: 2.6.24-rc4: bluetooth device gone after suspend to ram From: Soeren Sonnenburg To: Marcel Holtmann Cc: Oliver Neukum , Linux Kernel In-Reply-To: <1197475727.5644.20.camel@aeonflux> References: <1197455517.8814.10.camel@localhost> <200712121252.54061.oliver@neukum.org> <1197475727.5644.20.camel@aeonflux> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Wed, 12 Dec 2007 19:23:47 +0100 Message-Id: <1197483827.4492.3.camel@localhost> Mime-Version: 1.0 X-Mailer: Evolution 2.12.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2007-12-12 at 17:08 +0100, Marcel Holtmann wrote: > 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. No it was always like this. > 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. indeed after calling hid2hci the device is visible again via hciconfig -a Thanks!!! Soeren