From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: Re: am3517: failed to boot 3.10-rc1 Date: Fri, 17 May 2013 09:51:32 -0700 Message-ID: <87li7dsg6j.fsf@linaro.org> References: <519202DC.10100@visionsystems.de> <20130514125216.GE21107@arwen.pp.htv.fi> <519235C5.1010608@visionsystems.de> <5193493C.8020301@visionsystems.de> <519355FC.5050206@visionsystems.de> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from mail-da0-f47.google.com ([209.85.210.47]:47803 "EHLO mail-da0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755785Ab3EQQvf (ORCPT ); Fri, 17 May 2013 12:51:35 -0400 Received: by mail-da0-f47.google.com with SMTP id k13so2476118dae.34 for ; Fri, 17 May 2013 09:51:35 -0700 (PDT) In-Reply-To: <519355FC.5050206@visionsystems.de> (Yegor Yefremov's message of "Wed, 15 May 2013 11:31:40 +0200") Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: yegor_sub1@visionsystems.de Cc: balbi@ti.com, "linux-omap@vger.kernel.org" , "Shilimkar, Santosh" , "Mark A. Greer" , Maxim Podbereznyy Yegor Yefremov writes: > On 15.05.2013 10:37, Yegor Yefremov wrote: >> On 14.05.2013 15:01, Yegor Yefremov wrote: >>> On 14.05.2013 14:52, Felipe Balbi wrote: >>>> On Tue, May 14, 2013 at 11:24:44AM +0200, Yegor Yefremov wrote: >>>>> Trying to boot 3.10-rc1 on an am3515 based board. With the same >>>>> .config as 3.7 the system comes to RTC stops there. I've also tried >>>>> make omap2plus_defconfig with no visible difference. I'm booting from >>>>> MMC card and it will be detected by the system. Kernel is from >>>>> http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git, latest >>>>> commit f722406faae2d073cc1d01063d1123c35425939e. Are there any pending >>>>> patches needed to boot on am3517? >>>> does v3.9 work ? Can you bisect ? >>> >>> 'git checkout v3.9' version is working, will try to bisect. >> >> This is bisect's result: >> >> f7b861b7a6d9d1838cbbb5f4053e61578b86d134 is the first bad commit >> commit f7b861b7a6d9d1838cbbb5f4053e61578b86d134 >> Author: Thomas Gleixner >> Date: Thu Mar 21 22:49:38 2013 +0100 >> >> arm: Use generic idle loop >> >> Use the generic idle loop and replace enable/disable_hlt with the >> respective core functions. >> >> Signed-off-by: Thomas Gleixner >> Cc: Linus Torvalds >> Cc: Rusty Russell >> Cc: Paul McKenney >> Cc: Peter Zijlstra >> Reviewed-by: Cc: Srivatsa S. Bhat >> Cc: Magnus Damm >> Cc: Russell King >> Tested-by: Kevin Hilman # OMAP >> Link: http://lkml.kernel.org/r/20130321215233.826238797@linutronix.de >> >> :040000 040000 887517403888ff3947bce216aa4c1ff3ce3af434 8dc5236688a80fc64fa4112ce6136ecf3a19bac9 M arch > > We had such a problem long ago > (https://patchwork.kernel.org/patch/1220061/ and > http://www.spinics.net/lists/arm-kernel/msg168865.html) and the > workaround was to use hohlt in kernel parameters. But with this patch > the "nohlt" has gone. So now we need a solution, that fixes the root > of the problem. The broken 'nohlt' feature was indeed a regression caused by the above patch, but there's already a fix queued for v3.10-rc2[1], so -rc1 will need the patch applied manually. Kevin [1] https://lkml.org/lkml/2013/5/5/6