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

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Message-ID: <alpine.DEB.2.20.1712042338280.2198@nanos>
Date:   Mon, 4 Dec 2017 23:38:54 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        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 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):

Picking it up right now.

Thanks,

	tglx