From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: RCU stall on panda Date: Thu, 15 May 2014 11:32:48 -0700 Message-ID: <20140515183247.GF23659@atomide.com> References: <53675C5F.10509@linaro.org> <20140505180617.GM8754@linux.vnet.ibm.com> <20140512212102.GF5668@atomide.com> <5371BD69.8010600@linaro.org> <20140513153220.GC16837@atomide.com> <53747E6D.60500@linaro.org> <53748371.5030704@linaro.org> <5374C07C.1070400@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:16368 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754293AbaEOSc6 (ORCPT ); Thu, 15 May 2014 14:32:58 -0400 Content-Disposition: inline In-Reply-To: <5374C07C.1070400@linaro.org> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Alex Shi Cc: Daniel Lezcano , "Paul E. McKenney" , "naresh.kamboju@linaro.org Kamboju" , Linaro Kernel , LAK , Mark Brown , linux-omap@vger.kernel.org * Alex Shi [140515 06:27]: > On 05/15/2014 05:05 PM, Daniel Lezcano wrote: > >>> > >> > >> After enable this patch, system maybe hang in idle. :( > > > > Hi Alex, > > > > do you mean even with this revert applied, the board hangs in idle ? > > > > yes. > My board is panda ES. without this revert, it works. Care to specify what linux version you are testing against? Does it hang in idle always immediately on booting? Or does the serial console first hang with sysrq still working (ctrl-a h in minicom for help) with device eventually locking up hard? Regards, Tony From mboxrd@z Thu Jan 1 00:00:00 1970 From: tony@atomide.com (Tony Lindgren) Date: Thu, 15 May 2014 11:32:48 -0700 Subject: RCU stall on panda In-Reply-To: <5374C07C.1070400@linaro.org> References: <53675C5F.10509@linaro.org> <20140505180617.GM8754@linux.vnet.ibm.com> <20140512212102.GF5668@atomide.com> <5371BD69.8010600@linaro.org> <20140513153220.GC16837@atomide.com> <53747E6D.60500@linaro.org> <53748371.5030704@linaro.org> <5374C07C.1070400@linaro.org> Message-ID: <20140515183247.GF23659@atomide.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org * Alex Shi [140515 06:27]: > On 05/15/2014 05:05 PM, Daniel Lezcano wrote: > >>> > >> > >> After enable this patch, system maybe hang in idle. :( > > > > Hi Alex, > > > > do you mean even with this revert applied, the board hangs in idle ? > > > > yes. > My board is panda ES. without this revert, it works. Care to specify what linux version you are testing against? Does it hang in idle always immediately on booting? Or does the serial console first hang with sysrq still working (ctrl-a h in minicom for help) with device eventually locking up hard? Regards, Tony