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Date:	Thu, 7 Aug 2014 19:54:15 +0200
From:	Janek Kozicki <janek_listy@...pl>
To:	Pavel Machek <pavel@....cz>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>, markus@...schke.com,
	Zhang Rui <rui.zhang@...el.com>, linux-kernel@...r.kernel.org,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>
Subject: Re: 3.16 crashes on resume from Suspend-To-disk

Pavel Machek said:     (by the date of Wed, 6 Aug 2014 14:25:48 +0200)

> On Tue 2014-08-05 11:58:34, Janek Kozicki wrote:
> > Rafael J. Wysocki said:     (by the date of Tue, 05 Aug 2014 03:30:58 +0200)
> > 
> > > On Monday, August 04, 2014 09:06:52 AM Markus Gutschke wrote:
> > > > Thanks for checking in. And no, I have not heard from Zhang since my
> > > > last e-mail. I suspect he is still working on finding a solution. But
> > > > you are of course right, reverting the patch in the meantime might be
> > > > a good idea.
> > > 
> > > It has too many dependencies.  Besides, reverting it now (at the beginning of
> > > a merge window) won't be particularly useful anyway.
> > > 
> > > We need to fix it.
> > 
> > 
> > Hi, sorry for hijacking this thread, but apparently my other plead
> > for help got ignored in this very busy mailing list.
> > 
> > I have an up-to-date recently installed debian wheezy. I downloaded
> > https://www.kernel.org/pub/linux/kernel/v3.x/linux-3.16.tar.xz and compiled it using:
> > 
> >   cp /boot/config-`uname -r` ./.config
> >   make menuconfig
> >   fakeroot make-kpkg --initrd --append-to-version=-vanilla.1 kernel_image kernel_headers -j38
> >   dpkg -i linux-image-3.16.0-vanilla.1_3.16.0-vanilla.1-10.00.Custom_amd64.deb linux-headers-3.16.0-vanilla.1_3.16.0-vanilla.1-10.00.Custom_amd64.deb
> > 
> > where .config was taken from debian /boot/config-3.14-0.bpo.1-amd64
> > 
> > my PC has 64GB of RAM, 32 Xeon E5-2687W cores and motherboard SuperMicro MBD-X9DRI
> > 
> > I just did 25 tries of suspend/resume cycle. I tried 4 different
> > methods of hibernation, you will find a full summary of my tries
> > (including how many failures for each method) in attached script
> > SLEEP.sh which I always used to perform hibernation.
> > 
> > The failure was always a reboot after resume had almost succeeded. In
> > cases when there was a success there was a following ---[cut
> >here]--- part:
> 
> The Intel audio driver seems to be requesting firmware... Can you
> rmmod snd_hda_codec_ca0132 and similar modules, and retry
> hibernation? 

Thanks a lot for your reply,

I did rmmod everything related to snd_hda_codec_ca0132 and then it
hanged during the suspend! There was something written on text
console, but I wasn't fast enough to photograph it. And I don't know
if it's written on the disk somewhere.

Now I'm following instructions from Rafael Wysocki and Takashi Iwai.
I hope these will help me getting out some useful debugging info.

-- 
Janek Kozicki                               http://janek.kozicki.pl/  |
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