Return-path: Message-Id: <4D81FA730200002300029F0F@novprvlin0050.provo.novell.com> Date: Wed, 16 Mar 2011 19:11:31 -0600 From: "Joey Lee" To: Cc: , , , , Subject: Re: [b43] usb device disconnects automatically after 1s References: <201103170018.32061.mihai.dontu@gmail.com> <201103170022.24290.mihai.dontu@gmail.com> <201103170106.58746.mihai.dontu@gmail.com> In-Reply-To: <201103170106.58746.mihai.dontu@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: Add Cc. to platform driver guys. 於 四，2011-03-17 於 01:06 +0200，Mihai Donțu 提到： > On Thursday 17 March 2011 00:35:02 Rafał Miłecki wrote: > > 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? > > It's a Dell Latitude D520 but I can't find a link with full specs (in > English). > > > 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). > > Thanks for the links. I'll see if I can get anywhere from there. >