From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: Re: Beagle PM hangs Date: Wed, 28 Jan 2009 09:46:14 -0800 Message-ID: <87skn3qq6x.fsf@deeprootsystems.com> References: <345163910901280814nb847b34pca50f4ee6e49929d@mail.gmail.com> <87zlhbqtrv.fsf@deeprootsystems.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from yw-out-2324.google.com ([74.125.46.31]:50436 "EHLO yw-out-2324.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751019AbZA1RrL (ORCPT ); Wed, 28 Jan 2009 12:47:11 -0500 Received: by yw-out-2324.google.com with SMTP id 9so3041816ywe.1 for ; Wed, 28 Jan 2009 09:47:09 -0800 (PST) In-Reply-To: <87zlhbqtrv.fsf@deeprootsystems.com> (Kevin Hilman's message of "Wed\, 28 Jan 2009 08\:28\:52 -0800") Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Peter Reid Cc: Koen Kooi , linux-omap@vger.kernel.org Kevin Hilman writes: > Peter Reid writes: > >> Hi Kevin, >> I get hangs after boot on beagle with latest PM tree i have quite a >> few scripts that run on boot. >> >> have you seen this before? > > I have not, but I believe Koen has see something similar. I've mainly > been testing just a minimal rootfs and a minimal set of drivers on > Beagle so I can hit full-chip off in idle. > > It would help if you could desribe your setup in more detail. What > kernel config are you using, what rootfs are you using? Does it hang > in the same spot every time? If so, what is going on when it hangs? > Have you written anything to any of the /sys/power/* files? > Just a thought, do you still see these problems when using the CPUfreq performance governor instead of the ondemand governor? It could be pointing to some bugs in the switching of operating points. Kevin