linux-kernel - Re: 3.15-rc: regression in suspend

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Message-ID: <alpine.LNX.2.00.1405141809000.16459@pobox.suse.cz>
Date:	Wed, 14 May 2014 18:10:22 +0200 (CEST)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Pavel Machek <pavel@....cz>
cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Linux-pm mailing list <linux-pm@...ts.osdl.org>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: 3.15-rc: regression in suspend

On Wed, 14 May 2014, Pavel Machek wrote:

> > So it might in the end of the day the same thing as I have reported in 
> > 
> > 	https://bugs.freedesktop.org/show_bug.cgi?id=76554
> > 
> > which is not 100% reproducible either (although with newer kernels it's 
> > *much* more reproducible for me than with older).
> > 
> > > It worked few times on -rc5, but then I rebooted and problem 
> > > re-appeared.
> > 
> > If you could capture dmesg of the resume where X fails to resume properly 
> > to see whether you have i915 ring initialization errors there as well?
> 
> I did dmesg and I believe I would have noticed "*ERROR*" there.. but
> I'll of course capture the buffer when it happens. 

Thanks.

> Note that X do work somehow after resume (I can't switch virtual
> desktops and dialog is stuck on screen, but it is not complete
> failure). I can do ctrl-alt-f1 and get to useful prompt.

I have similar symptoms. The windows are not redrawing, etc.

-- 
Jiri Kosina
SUSE Labs
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