Re: rcu self-detected stall messages on OMAP3, 4 boards

From: Paul Walmsley
Date: Sun Sep 23 2012 - 03:56:36 EST


On Sat, 22 Sep 2012, Paul E. McKenney wrote:

> On Sat, Sep 22, 2012 at 10:25:59PM +0000, Paul Walmsley wrote:
>
> > The recent tests here have been on Pandaboard, which is dual-CPU, but my
> > recollection is that I also observed the warnings on a single-core
> > Beagleboard. Will re-test.
>
> Anxiously awaiting the results.

The same problem exists on BeagleBoard XM (OMAP3730, single-core
Cortex-A8):

http://www.pwsan.com/omap/transcripts/20120922-beaglexm-rcu-stall-debug-pre-fix.txt

and the same patch fixes it:

http://www.pwsan.com/omap/transcripts/20120922-beaglexm-rcu-stall-debug-post-fix.txt

Please feel free to update my Tested-by:, if you wish.

Tested-by: Paul Walmsley <paul@xxxxxxxxx> # OMAP3730, OMAP4430


- Paul
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