From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: Re: Broken cpuidle on PM branch? Date: Tue, 13 Oct 2009 09:25:17 -0700 Message-ID: <87r5t7mfbm.fsf@deeprootsystems.com> References: <20091012192347.GI32041@smtp.gmail.com> <20091013133151.GA8028@esdhcp037198.research.nokia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-pz0-f188.google.com ([209.85.222.188]:52789 "EHLO mail-pz0-f188.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757588AbZJMQ0b (ORCPT ); Tue, 13 Oct 2009 12:26:31 -0400 Received: by pzk26 with SMTP id 26so9113483pzk.4 for ; Tue, 13 Oct 2009 09:25:19 -0700 (PDT) In-Reply-To: <20091013133151.GA8028@esdhcp037198.research.nokia.com> (Eduardo Valentin's message of "Tue\, 13 Oct 2009 16\:31\:51 +0300") Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: eduardo.valentin@nokia.com Cc: linux-omap@vger.kernel.org Eduardo Valentin writes: > Hello Amit, > > On Mon, Oct 12, 2009 at 09:23:47PM +0200, ext Amit Kucheria wrote: >> Hi, >> >> I am testing twl4030 script optimisations on the current PM branch. But I am >> seeing the board (RX51) freeze when CPU_IDLE is enabled in the config. >> >> Is it known to work on other boards? > > I'm actually seeing this same behavior. But the board actually does not > freeze. If you keep a key pressed of send a sysrq through serial line > then you eventually get it back. > > It seams to be something related to serial driver and wakeup ? > Do you see this problem after doing # echo 1 > /debug/pm_debug/sleep_while_idle ? There is a known problem with the UART inactivity timer that I'm debugging currently. Kevin >> >> Regards, >> Amit >> -- >> ------------------------------------------------------------------------- >> Amit Kucheria, Kernel Developer, Verdurent >> ------------------------------------------------------------------------- >> -- >> 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 http://vger.kernel.org/majordomo-info.html > > -- > Eduardo Valentin > -- > 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 http://vger.kernel.org/majordomo-info.html