Return-path: Received: from mail-qw0-f46.google.com ([209.85.216.46]:55378 "EHLO mail-qw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751143Ab1CPWfE convert rfc822-to-8bit (ORCPT ); Wed, 16 Mar 2011 18:35:04 -0400 MIME-Version: 1.0 In-Reply-To: <201103170022.24290.mihai.dontu@gmail.com> References: <201103170018.32061.mihai.dontu@gmail.com> <201103170022.24290.mihai.dontu@gmail.com> Date: Wed, 16 Mar 2011 23:35:02 +0100 Message-ID: Subject: Re: [b43] usb device disconnects automatically after 1s From: =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= To: =?UTF-8?B?TWloYWkgRG9uyJt1?= Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.og, linux-wireless@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: 2011/3/16 Mihai Donțu : > Added linux-usb and linux-wireless to CC. > > On Thursday 17 March 2011 00:18:31 Mihai Donțu wrote: >> Hi, >> >> I have just upgraded to 2.6.38 and discovered that I can't use my wireless >> device (BCM4312 802.11a/b/g). I press Fn + F2, the bluetooth led lights >> and after a second it turns off by itself. In dmesg I'm seeing the >> following: >> >> [   88.167212] usb 1-2.2: new full speed USB device using ehci_hcd and >> address 5 >> [   88.782330] usb 1-2.2: USB disconnect, address 5 >> >> I switched to 2.6.37 until I'll have some time to bisect this. In the mean >> time I have attached the output of lspci, interrupts and dmesg. I suspect it's WMI related. What is your machine? Please check: https://bugzilla.kernel.org/show_bug.cgi?id=31002 http://comments.gmane.org/gmane.linux.acpi.devel/49577 I can't help you more, I just noticed such a issue reported on ACPI ML, you have to dig into this yourself (or someone else may help you). -- Rafał