linux-kernel - Re: 3.20-rc0: GUI dies on resume, then systemd gots sigill

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Message-ID: <20150302103207.GA25340@amd>
Date:	Mon, 2 Mar 2015 11:32:07 +0100
From:	Pavel Machek <pavel@....cz>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: 3.20-rc0: GUI dies on resume, then systemd gots sigill

On Wed 2015-02-18 21:38:58, 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.
> > > 
> > > It looks like everyone and their dog gets SIGILL, so... yes, I'll try
> > > without X, no, I don't think it will make difference.
> > > 
> > > For the record, 796e1c55717e9a6ff5c81b12289ffa1ffd919b6f is bad.
> > > 
> > > Does it work for you? Do you have any Intel graphics machine nearby?
> > 
> > Did init 3, login as root, suspend, and yes, systemd got SIGILL.
> 
> Tried it on desktop machine, when I press the power buton machine
> power ups CD rom, but that's pretty much it. Not even power LED turns
> on.

On x60, it was broken in 4.0-rc1, but it seems fixed now.
									Pavel

-- 
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