From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Horman Date: Wed, 29 Oct 2014 09:05:03 +0000 Subject: Re: non-Multiplatform APE6EVM broken in v3.18-rc1 Message-Id: <20141029090502.GA32069@verge.net.au> List-Id: References: <20141028004131.GA8280@verge.net.au> <20141028092305.GA11937@verge.net.au> <20141029001258.GE20702@verge.net.au> <20141029020833.GA29787@verge.net.au> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Geert Uytterhoeven Cc: Linux-sh list , Sudeep Holla , Daniel Lezcano , "linux-kernel@vger.kernel.org" On Wed, Oct 29, 2014 at 09:13:11AM +0100, Geert Uytterhoeven wrote: > On Wed, Oct 29, 2014 at 3:08 AM, Simon Horman wrote: > > On Wed, Oct 29, 2014 at 09:12:58AM +0900, Simon Horman wrote: > >> On Tue, Oct 28, 2014 at 10:32:32AM +0100, Geert Uytterhoeven wrote: > >> > On Tue, Oct 28, 2014 at 10:23 AM, Simon Horman wrote: > >> > > On Tue, Oct 28, 2014 at 08:59:28AM +0100, Geert Uytterhoeven wrote: > >> > >> On Tue, Oct 28, 2014 at 1:41 AM, Simon Horman wrote: > >> > >> > I have noticed that there appears to be a regression between v3.17 and > >> > >> > v3.18-rc1 such that non-multiplatform APE6EVM (ape6evm_defconfig) no longer > >> > >> > boots. This appears to be the case using both reference DT (MACH_APE6EVM) > > > It seems that the boot stops here: > > > > ... > > smsc911x smsc911x eth0: MAC Address: 00:08:f7:00:02:4b > > rcar_thermal rcar_thermal: Runtime PM disabled, clock forced on. > > rcar_thermal rcar_thermal: 3 sensor probed > > sh_mobile_sdhi sh_mobile_sdhi.0: Runtime PM disabled, clock forced on. > > sh_mobile_sdhi sh_mobile_sdhi.0: No vqmmc regulator found > > > > I re-ran my bisection and this time the following showed up as the culprit. > > > > I suspect that the initialisation of mmcif, which is usually the next > > device to be initialised, sleeps and never wakes up because the timer is > > disabled. > > > > commit c387f07e6205cc13f57c1def5f885bf0a20e1c2d > > Author: Sudeep Holla > > Date: Mon Sep 29 01:50:05 2014 +0200 > > > > clocksource: arm_arch_timer: Discard unavailable timers correctly > > Apparently reported and fixed by Laurent and a few others, cfr. > http://www.spinics.net/lists/arm-kernel/msg371615.html Great!