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Date: Sat, 10 Feb 2001 22:58:51 +0100
From: Pavel Machek <pavel@suse.cz>
To: Andrew Morton <andrewm@uow.edu.au>, Hacksaw <hacksaw@hacksaw.org>
Cc: Tom Eastep <teastep@seattlefirewall.dyndns.org>,
        linux-kernel@vger.kernel.org
Subject: Re: [OT] Major Clock Drift
In-Reply-To: <Pine.LNX.4.30.0102040908320.877-100000@wookie.seattlefirewall.dyndns.org> <200102041804.f14I4br22433@habitrail.home.fools-errant.com> <3A7EA9B3.3507DC8D@uow.edu.au>
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Hi!

> > >I've discovered that heavy use of vesafb can be a major source of clock
> > >drift on my system, especially if I don't specify "ypan" or "ywrap". On my
> > 
> > This is extremely interesting. What version of ntp are you using?
> 
> Is vesafb one of the drivers which blocks interrupts for (many) tens
> of milliseconds?

Vesafb is happy to block interrupts for half a second.
								Pavel
-- 
I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care."
Panos Katsaloulis describing me w.r.t. patents at discuss@linmodems.org
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