linux-kernel - Re: GemniLake laptops goes power off directly after performing suspend

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Message-ID: <18455542.KZ7HXfzeW6@aspire.rjw.lan>
Date:   Tue, 05 Dec 2017 22:56:53 +0100
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Chris Chiu <chiu@...lessm.com>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        Len Brown <lenb@...nel.org>,
        Linux Upstreaming Team <linux@...lessm.com>
Subject: Re: GemniLake laptops goes power off directly after performing suspend

On Tuesday, December 5, 2017 5:19:03 PM CET Chris Chiu wrote:
> On Tue, Dec 5, 2017 at 11:01 PM, Rafael J. Wysocki <rafael@...nel.org> wrote:
> > On Tue, Dec 5, 2017 at 11:32 AM, Chris Chiu <chiu@...lessm.com> wrote:
> >> Hi,
> >>     I have 2 GemniLake laptops from ASUS, named X441MB and X507MA,
> >> both go power off after I do "systemctl suspend" on top of kerne head
> >> fd6d2e506ce6 (Merge tag 'docs-4.15-fixes' of git://git.lwn.net/linux).
> >> I then wipe it out and install Windows RS3 instead, also goes to power
> >> off after pressing media key for suspend(S3). Then I installed intel
> >> graphic driver with the following version number, Windows has no
> >> problem on suspend resume then.
> >
> > There is a suspend-related fix missing in 4.15-rc at this point, so
> > please test 4.14.y or wait for the fix to be merged.
> >
> > Thanks,
> > Rafael
> 
> You mean the suspend-related fix used to exist in 4.14? Could you point me
> out which commit it is? Thanks

No.

I mean that suspend generally works in 4.14 and is currently broken
in 4.15-rc which requires a fix to be applied.  The fix in question is at:

https://lkml.org/lkml/2017/11/30/546

This is needed due to some changes made in 4.15-rc (with respect to 4.14)
that broke resume from suspend to RAM.

Thanks,
Rafael