Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
MIME-Version: 1.0
In-Reply-To: <alpine.DEB.2.21.1804260941050.1589@nanos.tec.linutronix.de>
References: <CANq1E4QppGAaU5PYbGpuC00S6wGQcAt70Z7CntZHiLC6748z2A@mail.gmail.com>
 <alpine.DEB.2.21.1804241007410.5261@nanos.tec.linutronix.de>
 <1996930.B4PaKZ6i1F@aspire.rjw.lan> <1858767.c2KKoU8fl2@aspire.rjw.lan>
 <alpine.DEB.2.21.1804251502310.2082@nanos.tec.linutronix.de>
 <1524726236.7572.1.camel@gmx.de> <alpine.DEB.2.21.1804260941050.1589@nanos.tec.linutronix.de>
From:   "Rafael J. Wysocki" <rafael@kernel.org>
Date:   Thu, 26 Apr 2018 10:36:07 +0200
Message-ID: <CAJZ5v0hs+B+0KMnBfyy9e7v209t0hGSm+-BqyA4gMXrq7G4E7A@mail.gmail.com>
Subject: Re: [RFC/RFT patch 0/7] timekeeping: Unify clock MONOTONIC and clock BOOTTIME
To:     Thomas Gleixner <tglx@linutronix.de>
Cc:     Mike Galbraith <efault@gmx.de>,
        "Rafael J. Wysocki" <rjw@rjwysocki.net>,
        John Stultz <john.stultz@linaro.org>, Genki Sky <sky@genki.is>,
        David Herrmann <dh.herrmann@gmail.com>,
        lkml <linux-kernel@vger.kernel.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Pavel Machek <pavel@ucw.cz>,
        Linux PM <linux-pm@vger.kernel.org>
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Thu, Apr 26, 2018 at 9:42 AM, Thomas Gleixner <tglx@linutronix.de> wrote:
> On Thu, 26 Apr 2018, Mike Galbraith wrote:
>> On Wed, 2018-04-25 at 15:03 +0200, Thomas Gleixner wrote:
>> > Right, it does not matter. The real interesting one is d6ed449afdb3.
>>
>> FWIW, three boxen here suspend/resume fine, but repeatably exhibit the
>> below after a very few minute suspend, and a short bisect fingered your
>> suspect.  Distro is opensuse 42.3.
>>
>> [  211.113902] Restarting tasks ... done.
>> [  211.114817] PM: suspend exit
>> [  212.312993] systemd-journald[7266]: File /var/log/journal/016627c3c4784cd4812d4b7e96a34226/system.journal corrupted or uncleanly shut down, renaming and replacing.
>> [  212.313363] systemd-coredump[7264]: Detected coredump of the journal daemon itself, diverted to /var/lib/systemd/coredump/core.systemd-journal.0.0aa39276decf4f1ab6fda3464e31f9dd.582.1524720954000000.
>>
>
> Huch, that rather looks like a genuine application bug.

Well, say you set a timer to wake you up in X seconds.  When you wake
up, you look at a clock and see that Y seconds have passed and Y is
much greater than X.  I guess you'd think that something's wrong. :-)