Re: MMC/regulator boot hang in -next

From: John Stultz
Date: Mon Nov 02 2015 - 15:50:45 EST

On Mon, Nov 2, 2015 at 12:46 PM, Bjorn Andersson
<bjorn.andersson@xxxxxxxxxxxxxx> wrote:
> 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

Yep. It is an 8064. I'll add some debug messages to figure out which
regulators are having trouble.

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