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From: Willy Tarreau <w@1wt.eu>
To: Frans Pop <elendil@planet.nl>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
	linux-kernel@vger.kernel.org,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: Time travel experiment?
Date: Wed, 10 Sep 2008 23:28:40 +0200	[thread overview]
Message-ID: <20080910212840.GA24654@1wt.eu> (raw)
In-Reply-To: <200809101825.29276.elendil@planet.nl>

On Wed, Sep 10, 2008 at 06:25:28PM +0200, Frans Pop wrote:
> On Wednesday 10 September 2008, Frans Pop wrote:
> > > > $ date
> > > > Wed Jul  3 23:09:23 CEST 2024
> > >
> > > Is this repeatable ?
> >
> > This wasn't the first suspend I've done today and I'd not seen it
> > before. I'll follow up if it does repeat, but I thought it was strange
> > and potentially important enough to at least report this occurrence. It
> > might ring a bell with someone.
> 
> Oops. Yes, it is repeatable. Just had the same occur again.
> Not sure if I can trigger it reliably though or if it will still happen
> after a reboot.
> 
> The jump occurs at the same point and to almost the same time/date:
> Sep 10 18:15:30 aragorn kernel: PM: Adding info for No Bus:vcs63
> Sep 10 18:15:30 aragorn kernel: PM: Adding info for No Bus:vcsa63
> Sep 10 18:15:30 aragorn kernel: wlan0: authenticate with AP 00:14:c1:38:e5:15
> Sep 10 18:15:30 aragorn kernel: wlan0: authenticated
> Sep 10 18:15:30 aragorn kernel: wlan0: associate with AP 00:14:c1:38:e5:15
> Sep 10 18:15:30 aragorn kernel: wlan0: RX ReassocResp from 00:14:c1:38:e5:15 (capab=0x411 status=0 aid=1)
> Sep 10 18:15:30 aragorn kernel: wlan0: associated
> Sep 10 18:15:30 aragorn kernel: PM: Removing info for No Bus:vcs63
> Sep 10 18:15:30 aragorn kernel: PM: Removing info for No Bus:vcsa63
> Jul  3 23:09:01 aragorn kernel: wlan0: disassociating by local choice (reason=3)
> Jul  3 23:09:03 aragorn kernel: wlan0: associate with AP 00:14:c1:38:e5:15
> Jul  3 23:09:03 aragorn kernel: wlan0: RX ReassocResp from 00:14:c1:38:e5:15 (capab=0x411 status=0 aid=1)
> 
> One other thing with this last one. I had the system on AC this time,
> which means the screensaver was active. It was running at a crazy speed
> (much too fast). If I start the screensaver again now it runs at normal
> speed.

Note that the time jump is 500 million seconds in the future (498977611
to be precise). I don't know if it is possible that some value running
one unit has mistakenly been used in place of another one (eg: internal
clock ticks instead of jiffies, etc...).

Willy


  parent reply	other threads:[~2008-09-10 21:29 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-10 14:58 Time travel experiment? Frans Pop
2008-09-10 14:29 ` Alan Cox
2008-09-10 15:55   ` Frans Pop
2008-09-10 16:25     ` Frans Pop
2008-09-10 16:56       ` Frans Pop
2008-09-10 17:02         ` Linus Torvalds
2008-09-10 18:07           ` [patch] Document use of RTC in pm_trace Frans Pop
2008-09-13 11:20             ` Pavel Machek
2008-09-10 21:28       ` Willy Tarreau [this message]
2008-09-10 20:47   ` Time travel experiment? Geert Uytterhoeven

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