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From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Pavel Machek <pavel@ucw.cz>
Cc: kernel list <linux-kernel@vger.kernel.org>,
        Linux-pm mailing list <linux-pm@lists.osdl.org>
Subject: Re: 3.20-rc0: GUI dies on resume, then systemd gots sigill
Date: Wed, 18 Feb 2015 17:39:08 +0100
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On Wednesday, February 18, 2015 10:46:32 AM Pavel Machek wrote:
> Hi!
> 
> In 3.19, suspend/resume was rock solid.
> 
> 3.20-rc0, after resume, I could see X windows dying. So I tried to log
> in on text console, but at that point got a note about SIGILL from
> systemd (and dead system). syslog ilustrates it nicely.
> 
> Any ideas?

The dying X may be a graphics driver problem.

Have you tried to suspend/resume without X?

The systemd failure after the failing resume indicates that something was
stuck somewhere or we corrupted memory.

Rafael