linux-kernel - Re: MMC/regulator boot hang in -next

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Message-ID: <20151102204620.GF24668@usrtlx11787.corpusers.net>
Date:	Mon, 2 Nov 2015 12:46:20 -0800
From:	Bjorn Andersson <bjorn.andersson@...ymobile.com>
To:	John Stultz <john.stultz@...aro.org>
CC:	Sascha Hauer <s.hauer@...gutronix.de>,
	Mark Brown <broonie@...aro.org>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: MMC/regulator boot hang in -next

On Mon 02 Nov 11:57 PST 2015, John Stultz wrote:

> Trying to move my nexus7 work to -next, I started seeing boot time
> hangs. Enabling some debug options provided with a lockdep spew.
> 
> Reverting "regulator: core: Propagate voltage changes to supply
> regulators" -  fc42112c0eaa avoids the hang, but I still see lockdep
> noise.
> 
> Full log of -next based tree without any reverts follows:

It sure does lock like a deadlock to me. Can you figure out which
regulator we're talking about here? And confirm that this is 8064 we're
talking about

Regards,
Bjorn
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