From: Andi Kleen <ak@muc.de>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: xen-devel@lists.sourceforge.net
Subject: Re: time drift on dom0
Date: Sun, 16 Jan 2005 00:38:41 +0100 [thread overview]
Message-ID: <m17jmew9dq.fsf@muc.de> (raw)
In-Reply-To: <41E9A625.6060609@codemonkey.ws> (Anthony Liguori's message of "Sat, 15 Jan 2005 17:24:21 -0600")
Anthony Liguori <anthony@codemonkey.ws> writes:
> Adam Heath wrote:
>
>>I have just noticed a 9s drift in 12 hours in dom0(not running ntp, hadn't yet
>>been installed).
>>
>>
> I've been using Xen exclusively on one of my machines for the past
> couple of weeks and I've also noticed a time drift. I've noticed it
> more as minutes over the course of a week. I thought it was just my
> hardware dying...
>
> I've seen this on 2.0.2 with 2.6.9 and 2.0.3 with 2.6.10.
It's probably losing some timer interrupts. The lost tick handling
in Linux is not very clever and results in drifting time.
-Andi
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next prev parent reply other threads:[~2005-01-15 23:38 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-15 22:46 time drift on dom0 Adam Heath
2005-01-15 23:24 ` Anthony Liguori
2005-01-15 23:38 ` Andi Kleen [this message]
2005-01-15 23:31 ` Adam Heath
2005-01-16 4:21 ` Martin Maney
2005-01-16 9:17 ` Keir Fraser
2005-01-17 7:34 ` Martin Maney
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