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Re: clock skew
- To: <earnie_boyd at yahoo dot com>,"Trevor Forbes" <trevorforbes at ozemail dot com dot au>,"Cygwin" <cygwin at sourceware dot cygnus dot com>
- Subject: Re: clock skew
- From: "Tim Prince" <tprince at computer dot org>
- Date: Fri, 7 Apr 2000 08:30:30 -0700
- References: <firstname.lastname@example.org>
These backward steps of at most 2 seconds occur when running on a single
processor. If it were a problem with un-synchronized networking, it would
be larger and potentially more troublesome.
----- Original Message -----
From: "Earnie Boyd" <email@example.com>
To: "Trevor Forbes" <firstname.lastname@example.org>; "Cygwin"
Sent: Friday, April 07, 2000 5:27 AM
Subject: Re: clock skew
> --- Trevor Forbes <email@example.com> wrote:
> > I get the following random error when building packages?
> > make: *** Warning: File `xmakefile' has modification time in the
> > (2000-04-07 08:09:32 > 2000-04-07 08:09:31)
> > make: *** Warning: Clock skew detected. Your build may be
> > The clock skew is always out by one second and it never seems to affect
> > final build.
> > There is no network drives involved
> > http://sourceware.cygnus.com/ml/cygwin/2000-02/msg00035.html
> > states the problem as:
> > This appears to be a typical characteristic of Windows systems, as if
> > low order bits of the file time are "random." It hasn't appeared to be
> > problem; I don't see it as often in Win2K. I've wondered whether cygwin
> > should mask off the low order bits, given that Windows works this way.
> > Is the above statement correct?
> > Anyway, my question is, given that it does not seem to affect builds and
> > that does not seem to be a common problem.
> > Should I just continue to ignore the error or will it eventually cause a
> > build to be incomplete?
> Would you be using a networked device for storage, compilation, etc? This
> could be a difference in clocks between your workstation and the
> Earnie Boyd: <mailto:firstname.lastname@example.org>
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