From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965321Ab2B1LeZ (ORCPT ); Tue, 28 Feb 2012 06:34:25 -0500 Received: from elettra.colt-to.towertech.it ([213.215.222.70]:56346 "EHLO smtp.towertech.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757032Ab2B1LeY (ORCPT ); Tue, 28 Feb 2012 06:34:24 -0500 X-Greylist: delayed 445 seconds by postgrey-1.27 at vger.kernel.org; Tue, 28 Feb 2012 06:34:24 EST Date: Tue, 28 Feb 2012 12:26:52 +0100 From: Alessandro Zummo To: Sasha Levin Cc: Dave Jones , rtc-linux@googlegroups.com, "linux-kernel@vger.kernel.org" Subject: Re: rtc: INFO: possible circular locking dependency detected Message-ID: <20120228122652.66cd9802@linux.lan.towertech.it> In-Reply-To: <1330381713.5633.12.camel@lappy> References: <1330381713.5633.12.camel@lappy> Organization: Tower Technologies X-Mailer: Claws Mail 3.8.0 (GTK+ 2.24.8; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 28 Feb 2012 00:28:33 +0200 Sasha Levin wrote: > Hi all, > > I've stumbled on the following lockdep warning when running trinity under the KVM tool. > > (Is it the case of missing rtc->ops_lock in rtc_device_unregister?) Hi, the last time I checked we had a lock in rtc_device_unregister . I'll give it a look. -- Best regards, Alessandro Zummo, Tower Technologies - Torino, Italy http://www.towertech.it