Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933593Ab0HLL4D (ORCPT ); Thu, 12 Aug 2010 07:56:03 -0400 Received: from cantor.suse.de ([195.135.220.2]:50142 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759898Ab0HLL4A (ORCPT ); Thu, 12 Aug 2010 07:56:00 -0400 Date: Thu, 12 Aug 2010 13:55:58 +0200 (CEST) From: Jiri Kosina To: Markus Trippelsdorf Cc: Heinz Diehl , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-input@vger.kernel.org, Alan Ott Subject: Re: [BUG] object: is not initialized, yet kobject_put() is being called In-Reply-To: <20100812113624.GB1591@arch.tripp.de> Message-ID: References: <20100810210941.GA7938@fritha.org> <20100810223215.GA1609@arch.tripp.de> <20100812091659.GA1591@arch.tripp.de> <20100812113624.GB1591@arch.tripp.de> User-Agent: Alpine 2.00 (LNX 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1895 Lines: 40 On Thu, 12 Aug 2010, Markus Trippelsdorf wrote: > > > > Guys, could you please send me your .config with which you are > > > > experiencing the problem, so that I can try to reproduce it with it? > > > > > > Attached. > > > > So I had to add support for HW of mine (SATA_VIA, PATA_VIA, disabled the > > radeon firmware stuff, and, most importantly, enabled UHCI, which is what > > is on machine I am using now for testing), and disconnect-connect cycle > > works nicely: > > > > usb 3-2: USB disconnect, address 3 > > usb 3-2: new low speed USB device using uhci_hcd and address 4 > > input: mouse USB mouse with wheel as /devices/pci0000:00/0000:00:10.1/usb3/3-2/3-2:1.0/input/input6 > > generic-usb 0003:05B8:3091.0004: input,hidraw0: USB HID v1.10 Mouse [mouse USB mouse with wheel] on usb-0000:00:10.1-2/input0 > > input: mouse USB mouse with wheel as /devices/pci0000:00/0000:00:10.1/usb3/3-2/3-2:1.1/input/input7 > > generic-usb 0003:05B8:3091.0005: input,hidraw1: USB HID v1.10 Keyboard [mouse USB mouse with wheel] on usb-0000:00:10.1-2/input1 > > > > so still no BUG from kobject refcounting, and the hidraw numbers are the > > same. The major difference seems to be that I am using UHCI and you have > > your HID devices connected through OHCI, is that correct? > > Correct. And I should add that it very easy to reproduce here; just > disconnecting the usb receiver triggers the WARNING. Hmm ... there is a certain interface of the device which doesn't get connected to input, right? (0003:046D:C52B.0008). What happens if you compile without CONFIG_HIDRAW and/or CONFIG_USB_HIDDEV? -- Jiri Kosina SUSE Labs, Novell Inc. -- 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/