linux-kernel - Re: Lenovo X240 (haswell) suspend-to-ram hangs on 3-14.0-rc2

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Message-ID: <s5h4n3wyxm5.wl%tiwai@suse.de>
Date:	Tue, 18 Feb 2014 21:28:02 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Theodore Ts'o <tytso@....edu>
Cc:	Jeff Chua <jeff.chua.linux@...il.com>,
	Peter Hurley <peter@...leysoftware.com>,
	lkml <linux-kernel@...r.kernel.org>,
	Dave Airlie <airlied@...hat.com>
Subject: Re: Lenovo X240 (haswell) suspend-to-ram hangs on 3-14.0-rc2

At Tue, 18 Feb 2014 14:06:55 -0500,
Theodore Ts'o wrote:
> 
> On Mon, Feb 17, 2014 at 02:54:32PM -0500, Theodore Ts'o wrote:
> > On Tue, Feb 18, 2014 at 01:54:40AM +0800, Jeff Chua wrote:
> > > Any suggestion on how to debug this? bisect? Ted, does your T540p work
> > > with CONFIG_SND_HDA_INTEL=y instead of "m" ?
> > 
> > I can give this a try on my next kernel rebuild.
> 
> I can confirm that suspend-to-ram hangs on my T540p if I build with
> CONFIG_SND_HDA_INTEL=y.  I ran the test using v3.14-rc3.

I checked CONFIG_SND_HDA_INTEL=y on my HP laptop with Haswell, but it
worked fine.  Could you give config?


Takashi
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