From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 6BD29B6F6F for ; Fri, 2 Dec 2011 06:35:18 +1100 (EST) Subject: Re: Different behaviour when using "nosmp" parameter on SMP and UP Mime-Version: 1.0 (Apple Message framework v1251.1) Content-Type: text/plain; charset=us-ascii From: Kumar Gala In-Reply-To: Date: Thu, 1 Dec 2011 13:35:12 -0600 Message-Id: <40F38A2B-48A0-4A8C-B45D-579865F135CC@kernel.crashing.org> References: To: Jean-Michel Hautbois Cc: linuxppc-dev , Tabi Timur-B04825 , linux-kernel List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Dec 1, 2011, at 11:52 AM, Jean-Michel Hautbois wrote: > 2011/12/1 Jean-Michel Hautbois : >> 2011/12/1 Tabi Timur-B04825 : >>> On Thu, Dec 1, 2011 at 9:04 AM, Jean-Michel Hautbois >>> wrote: >>>> >>>> Any idea on how to debug this ? I am using a 2.6.35 kernel. >>> >>> There are a ton of Kconfig options for debugging various locking bugs. >>> Try turning them on. >>> > > All Kconfig options do not help me with cache coherency problems, though. > Or, I didn't find any option related. > Any idea ? > > JM Nope, if you can't describe the code in any more detail we can't help. - k