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

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Date:   Tue, 12 Dec 2017 09:00:53 +0100
From:   Pavel Machek <pavel@....cz>
To:     Zhang Rui <rui.zhang@...el.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        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

Hi!

> > > ...should take 10 seconds or so.
> > I'm told 0day does *some* suspend/resume testing, but I think it's
> > pretty limited, partly because the kinds of machines it primarily
> > works on don't really support suspend/resume at all.
> 
> currently, we're running suspend test on 1 platform only, with 64 bit
> kernel. suspend test will be enabled on more platforms (laptops) in
> next two weeks.

Thanks!

> >  I'm also not sure
> > just how many of those machines are 32-bit at all..
> 
> for this, I suppose it can be reproduced if we use 32-bit kernel and
> rootfs, right? Then it's easier to enable this in 0Day.

Yes, Intel cpus are pretty good at backwards compatibility, and most
problems are not subtle at all. So yes, 32-bit kernel / rootfs on
recent machine should be good for testing.

Best regards,
								Pavel
								
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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