linux-kernel - Re: OMAP3 DSP MMU fault + off mode issue

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Message-ID: <AANLkTikEmoFk89=jFtdgt-cKyRiJ2dkv49CV64bOOf1R@mail.gmail.com>
Date:	Thu, 16 Sep 2010 11:59:03 +0900
From:	venki kaps <venkiece2005@...il.com>
To:	Felipe Contreras <felipe.contreras@...il.com>
Cc:	Kevin Hilman <khilman@...prootsystems.com>, omar.ramirez@...com,
	h-kanigeri2@...com, ameya.palande@...ia.com, fernando.lugo@...com,
	x0hebbar@...com, ernesto@...com, s-anna@...com, grgupta@...com,
	ivan.gomez@...com, ext-andriy.shevchenko@...ia.com,
	x0095078@...com, deepak.chitriki@...com, nm@...com,
	ext-phil.2.carmody@...ia.com, ohad@...ery.com,
	devel@...uxdriverproject.org, linux-omap@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: OMAP3 DSP MMU fault + off mode issue

On Thu, Sep 16, 2010 at 7:34 AM, Felipe Contreras
<felipe.contreras@...il.com> wrote:
> On Wed, Sep 15, 2010 at 7:03 PM, venki kaps <venkiece2005@...il.com> wrote:
>> In latest kernels (Eg, linux-2.6.36-rc3),The MMU-Fault debugging
>> enhancements code is moved under CONFIG_TIDSPBRIDGE_BACKTRACE.
>
> Indeed, I added that configuration in order to avoid that possibly
> troublesome code in a production system. I haven't seen it working
> properly yet.
Thanks for the information.
Even I have not used that configuration but in production system, We
could avoid the DSP task information to be printed by the MPU
dspbridge when DSP MMU fault ocurrs.

Venkii,
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