From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: Re: [ANNOUNCE] updated PM branch, based on 2.6.32-rc1 Date: Thu, 08 Oct 2009 15:32:48 -0700 Message-ID: <87ab014iun.fsf@deeprootsystems.com> References: <87iqezdmas.fsf@deeprootsystems.com> <87eipgnmfh.fsf@deeprootsystems.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail-pz0-f188.google.com ([209.85.222.188]:42555 "EHLO mail-pz0-f188.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756417AbZJHWd0 convert rfc822-to-8bit (ORCPT ); Thu, 8 Oct 2009 18:33:26 -0400 Received: by pzk26 with SMTP id 26so5788424pzk.4 for ; Thu, 08 Oct 2009 15:32:50 -0700 (PDT) In-Reply-To: (Juha Kuikka's message of "Thu\, 8 Oct 2009 15\:09\:40 -0700") Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Juha Kuikka Cc: linux-omap@vger.kernel.org Juha Kuikka writes: > On Tue, Oct 6, 2009 at 4:16 PM, Kevin Hilman > wrote: >> >> Kevin Hilman writes: >> >> > Hello, >> > >> > I've rebased/updated the PM branch based on current linux-omap mas= ter >> > branch (2.6.32-rc1 based.) >> > >> > I've also updated the OMAP Power Management wiki, and the 'Current >> > version' section highlights the changes, supported platforms as we= ll >> > as the features that have made it into mainline. >> > >> > =A0 =A0 =A0http://elinux.org/OMAP_Power_Management#Current_version >> > >> >> FYI... I just rebased the PM branch onto current omap/master. >> >> Some important user-visible changes: The /sys/power/* options are >> moving into debugfs. =A0For mainline, these primarily debug options = need >> to move to debugfs so I've moved them there. =A0So, if you're missin= g >> some flag under /sys/power, it's now under /debug/pm_debug. >> >> I've updated the 'Using the PM branch' seciont of PM wiki[1] with >> the new filenames. >> >> Kevin >> >> [1] http://elinux.org/OMAP_Power_Management >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-omap= " in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at =A0http://vger.kernel.org/majordomo-info.html > > Hi, Hi Juha, > I build and tried this latest on Beagleboard (C2). Booting from MMC > using ramdisk image. I changed the LL console to the 3rd UART. > > The issue I have is that after the system boots up it works for as > long as I keep actively using it but if I leave it idle for a short > time (~5s) it stops responding. I have tried waking it up using both > UART and "USER" button on the board. This is with the default PM > configuration. Thanks for testing, and reporting your problem. I have noticed exactly the same problem and am still investigating it. > If I put the board into suspend (retention) it wakes up without any i= ssues. > > Also, if I enable "/debug/pm_debug/sleep_while_idle" board wakes up > without issues. Well the first couple characers on the console seem t= o > go missing but I guess without CTS/RTS that is expected? Yes, the loss of the first character is expected. > Any pointers would be appreciated. I also noticed that it works when 'sleep_while_idle' is enabled, and this has led me to suspect a bug in that serial timout path, but I have yet to debug further. Kevin -- To unsubscribe from this list: send the line "unsubscribe linux-omap" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html