On Thu, Mar 01, 2012 at 12:42:11PM +0100, Peter De Schrijver wrote:

On Wed, Feb 29, 2012 at 11:38:16PM +0100, Stephen Warren wrote:

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Peter De Schrijver wrote at Wednesday, February 29, 2012 8:42 AM:

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On Wed, Feb 15, 2012 at 10:27:43PM +0100, Stephen Warren wrote:

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Peter De Schrijver wrote at Thursday, February 09, 2012 4:48 PM:

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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.

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(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)

Tried it with next-20120229 and it works fine here. I also noticed
next-20120229 does not have https://lkml.org/lkml/2012/1/31/444
which was part of the earlier tree I used for testing. So num_online_cpus()
recalculates the number of online CPUs everytime instead of trying to only
recalculate it when there is a change.

Cheers,

Peter.