linux-kernel - Re: [PATCH v3 00/10] Add tegra30 support for secondary cores

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Message-ID: <20120301114211.GP12917@tbergstrom-lnx.Nvidia.com>
Date:	Thu, 1 Mar 2012 13:42:11 +0200
From:	Peter De Schrijver <pdeschrijver@...dia.com>
To:	Stephen Warren <swarren@...dia.com>
CC:	Colin Cross <ccross@...roid.com>, Olof Johansson <olof@...om.net>,
	"Russell King" <linux@....linux.org.uk>,
	Gary King <gking@...dia.com>, Arnd Bergmann <arnd@...db.de>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 00/10] Add tegra30 support for secondary cores

On Wed, Feb 29, 2012 at 11:38:16PM +0100, Stephen Warren wrote:
> Peter De Schrijver wrote at Wednesday, February 29, 2012 8:42 AM:
> > On Wed, Feb 15, 2012 at 10:27:43PM +0100, Stephen Warren wrote:
> > > Peter De Schrijver wrote at Thursday, February 09, 2012 4:48 PM:
> > > > This patchset introduces support for secondary cores on tegra30. It also
> > > > introduces some functions for the flowcontroller and adds basic support for
> > > > tegra30 powerdomains.
> > >
> > > The code looks fine to me. I do notice the following when running
> > > "shutdown -h now":
> > >
> > > [   27.762124] SMP: failed to stop secondary CPUs
> 
> I can't seem to reproduce this at all on next-20120229 anymore. What
> kind of repro frequency are you seeing, and does it get fixed if you
> update to that baseline?
> 

I see it abount once every 3 reboots. I have a an expect script which
automates the test. I haven't tried with next-20120229 yet.

> (I tried 20 times with shutdown, and 15 of them I reverted all the CPU
> and cache errata in case they affected the issue at all)

Cheers,

Peter.
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