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From: Microsoft@sri-unix.UUCP
Newsgroups: net.micro.pc
Subject: Date Rollover Bug
Message-ID: <12688@sri-arpa.UUCP>
Date: Mon, 1-Oct-84 12:49:46 EDT
Article-I.D.: sri-arpa.12688
Posted: Mon Oct  1 12:49:46 1984
Date-Received: Sun, 7-Oct-84 21:33:13 EDT
Lines: 16


There are actually two bugs, one of which was fixed in 2.1 (and by extention,
3.*) and one we can't fix.

o   We use, in the disk driver code, a 2-second logical door-lock.  Under 2.0
we were reading the time of day and ignoring the date rollover.

This was fixed in 2.1.

o   The IBM ROM only signals that a rollover occurred, not how many.  Thus,
if we do not interrogate the timer for > 24 hours, we will lose a day.

There is no fix for this.