linux-kernel - Re: Linux 4.15-rc2: Regression in resume from ACPI S3

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Message-ID: <20171209114135.GA20484@amd>
Date:   Sat, 9 Dec 2017 12:41:35 +0100
From:   Pavel Machek <pavel@....cz>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andy Lutomirski <luto@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        the arch/x86 maintainers <x86@...nel.org>
Subject: Re: Linux 4.15-rc2: Regression in resume from ACPI S3

On Sat 2017-12-09 11:33:25, Pavel Machek wrote:
> On Tue 2017-12-05 01:25:55, Rafael J. Wysocki wrote:
> > On Monday, December 4, 2017 11:41:06 PM CET Rafael J. Wysocki wrote:
> > > On Monday, December 4, 2017 11:38:54 PM CET Thomas Gleixner wrote:
> > > > On Mon, 4 Dec 2017, Linus Torvalds wrote:
> > > > 
> > > > > On Mon, Dec 4, 2017 at 2:25 PM, Rafael J. Wysocki <rjw@...ysocki.net> wrote:
> > > > > >
> > > > > > So far, resume from suspend-to-RAM (ACPI S3) is broken on all of the
> > > > > > systems I have tested, so it is probably safe to assume it to be
> > > > > > broken everywhere.
> > > > > 
> > > > > Oh, it's definitely not broken everywhere, because I use it myself,
> > > > > and was traveling last week due to my mom's bday.
> > > > > 
> > > > > HOWEVER.
> > > > > 
> > > > > Some of the x86 work seems to have broken it for some configurations.
> > > > > In particular, do you have a big "everything enabled" kernel config -
> > > > > particularly lockdep and irqflags tracing enabled?
> > > > > 
> > > > > Andy has a patch, but it hasn't made it to me yet (probably because
> > > > > the x86 people are very busy with the kaiser work):
> > > 
> > > This definitely fixes the problem at least on one of the affected machines.
> > 
> > I can confirm that the Andy's patch fixes it on all systems that had this
> > issue here.
> 
> I believe I have the issue here, too (-next on thinkpad x60). Which
> patch is expected to fix it? Let me try recent -next...

Still there AFAICT.
									Pavel


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