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

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Message-ID: <CA+55aFz2_cwCjBDAqvzeX89Md26JR=DLhQxTPGuq8OQkWi0ehw@mail.gmail.com>
Date:   Wed, 25 Apr 2018 12:41:23 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     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>,
        Pavel Machek <pavel@....cz>, 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, 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).

               Linus