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From: ado@elsie.UUCP (Arthur David Olson)
Newsgroups: net.unix-wizards
Subject: Re: minor bug in dump, can cause system to hang.
Message-ID: <5239@elsie.UUCP>
Date: Tue, 8-Oct-85 15:10:43 EDT
Article-I.D.: elsie.5239
Posted: Tue Oct  8 15:10:43 1985
Date-Received: Fri, 11-Oct-85 07:28:03 EDT
References: <1763@brl-tgr.ARPA> <14694@onfcanim.UUCP> <2856@sun.uucp>
Organization: NIH-LEC, Bethesda, MD
Lines: 15
Summary: Must be a different bug

> > But why fix dump when the problem is almost certainly in the disk driver?
>
> . . .If you read the man pages for the disk devices you will see
> that they strongly suggest that you do reads in multiples
> of 512 (== DEV_BSIZE) when reading the raw device. . .
> The bug is in dump, and should be fixed there.

If the claim is that dump "ought to" read in multiples of DEV_BSIZE,
then the driver is buggy in its failure to reject read requests of other sizes.
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