Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754511AbaAUKOU (ORCPT ); Tue, 21 Jan 2014 05:14:20 -0500 Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]:53102 "EHLO cam-admin0.cambridge.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753982AbaAUKOS (ORCPT ); Tue, 21 Jan 2014 05:14:18 -0500 Date: Tue, 21 Jan 2014 10:14:07 +0000 From: Will Deacon To: naveen yadav Cc: Russell King - ARM Linux , Catalin Marinas , "linux-kernel@vger.kernel.org" Subject: Re: BUG: spinlock lockup Message-ID: <20140121101407.GD30706@mudshark.cambridge.arm.com> References: <20140120102051.GB16496@mudshark.cambridge.arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 21, 2014 at 06:37:31AM +0000, naveen yadav wrote: > Thanks for your reply, > > We are using Cortex A15. > yes, this is with ticket lock. > > We will check value of arch_spinlock_t and share it. It is bit > difficult to reproduce this scenario. > > If you have some idea ,please suggest how to reproduce it. You could try enabling lockdep and see if it catches anything earlier on. Will -- 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/