From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Wood Subject: Re: Timer interrupt on Linux 3.0.3 Date: Wed, 21 Sep 2011 14:41:33 -0500 Message-ID: <4E7A3DED.9030402@freescale.com> References: <4E73816C.6000304@freescale.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-embedded-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Vineeth Cc: linux-embedded@vger.kernel.org, linuxppc-dev@lists.ozlabs.org On 09/21/2011 01:56 AM, Vineeth wrote: >>> What was the issue? You really should try to make this work rather than >>> hack around it. > > what we found was the decrementer is not generating an exception when it > becomes 0. and the timebase registers are not getting incremented too. Does the decrementer actually tick until it reaches zero, or do it and the timebase never tick? Is the TBEN input to the CPU asserted? -Scott