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

From: Pavel Machek <pavel@ucw.cz>
To: Zhang Rui <rui.zhang@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Andrew Lutomirski <luto@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Jarkko Nikula <jarkko.nikula@linux.intel.com>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	the arch/x86 maintainers <x86@kernel.org>
Subject: Re: Linux 4.15-rc2: Regression in resume from ACPI S3
Date: Tue, 12 Dec 2017 09:00:53 +0100	[thread overview]
Message-ID: <20171212080053.GA7990@amd> (raw)
In-Reply-To: <1513001367.2981.11.camel@intel.com>

[-- Attachment #1: Type: text/plain, Size: 1008 bytes --]

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

[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 181 bytes --]