linux-kernel - Re: 3.16-rcX crashes on resume from Suspend-To-RAM

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Message-ID: <CALGCz1pSpzDVb8sQx=QFKjdR4fi566h42p2nRkFx+RXairbgFQ@mail.gmail.com>
Date:	Wed, 6 Aug 2014 11:31:07 -0700
From:	Markus Gutschke <markus@...schke.com>
To:	Zhang Rui <rui.zhang@...el.com>
Cc:	Pavel Machek <pavel@....cz>, linux-kernel@...r.kernel.org,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>
Subject: Re: 3.16-rcX crashes on resume from Suspend-To-RAM

I tried removing snd_hda_intel, but it didn't make any difference.

I then followed your instructions to turn on tracing, but I am more
puzzled than I was before. The crash reliably happens, every time I
suspend/resume without first having tracing turned on. But as soon as
I enter "echo devices >/sys/power/pm_test" to enable tracing things
change. Upon suspending, the machine now happily resumes itself again
a few seconds later. No crash whatsoever.

Is this the expected behavior? Anything else you want me to do?

Markus
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