linux-kernel - Re: [tip:timers/urgent] Revert: Unify CLOCK_MONOTONIC and CLOCK

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Message-ID: <20180425201908.GA1977@amd>
Date:   Wed, 25 Apr 2018 22:19:08 +0200
From:   Pavel Machek <pavel@....cz>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Mark Salyzyn <salyzyn@...roid.com>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        John Stultz <john.stultz@...aro.org>,
        Peter Anvin <hpa@...or.com>,
        Michael Kerrisk <mtk.manpages@...il.com>,
        Prarit Bhargava <prarit@...hat.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Kevin Easton <kevin@...rana.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Petr Mladek <pmladek@...e.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        SergeySenozhatsky <sergey.senozhatsky@...il.com>,
        Jonathan Corbet <corbet@....net>,
        linux-tip-commits@...r.kernel.org
Subject: Re: [tip:timers/urgent] Revert: Unify CLOCK_MONOTONIC and
 CLOCK_BOOTTIME

On Wed 2018-04-25 12:41:23, Linus Torvalds wrote:
> On Wed, Apr 25, 2018 at 12:09 PM, Thomas Gleixner <tglx@...utronix.de> wrote:
> > On Wed, 25 Apr 2018, Linus Torvalds wrote:
> >>
> >> I don't see the reported watchdog things, and I run systemd and I ran
> >> these patches.
> >
> > With suspend/resume?
> 
> Yes. I run them on my laptop, and while I don't do a _lot_ of
> suspend/resume, I do some. My laptop right now is running a "just
> after rc1" kernel, and has been for the last week, and has a couple of
> suspends in that time. Type "closed my laptop, took it elsewhere,
> opened it again", so more than a few minutes.
> 
> > Fair enough. Do the reporters have more information or do I have to chase
> > it down myself?
> 
> I think reporters should just say what distro they are running, and
> systemd versions etc, and how they debugged this. Maybe the pattern is
> obvious.
> 
> For the record, I just run plain F27, obviously with my own kernel
> (and a tweaked config, but it approaches just being a "make
> localmodconfig" of the distro config).

So... I do have debian 8.10. With 4.17-rc1, I get "networking
disabled" message from network manager (and broken network), about
half of the time.

But there's more visible symptom: suspend/resume with 4.16, machine is
okay after resume. With 4.17-rc1, just after resume, display starts
dimming and screensaver will kick in. MATE desktop.

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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