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From: Soren Schmidt <sos@spider.deepcore.dk>
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To: Jeremy Messenger <mezz7@cox.net>
Date: Fri, 7 Nov 2003 10:28:42 +0100 (CET)
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cc: =?ISO-8859-1?Q?Dag-Erling_Sm=F8rgrav?= <des@des.no>
cc: current@FreeBSD.ORG
Subject: Re: burncd block size
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It seems Jeremy Messenger wrote:
> On Fri, 07 Nov 2003 10:10:40 +0100, Dag-Erling Smørgrav <des@des.no> wrote:
> 
> > I've been having a variety of problems burning CDs with atang:
> >
> >  - burncd consistently failing in exactly the same spot in the ISO,
> >    and reporting "only wrote 0 of 32768 bytes: Unknown error: 0"
> >
> >  - burncd failing right at the start with "only wrote -1 of 32768
> >    bytes: Input/output error" (this generally happens after a couple
> >    of the previous, and once it starts happening I have to reboot)
> 
> Whew, glad that I am not only one.. I *just* have wasted two of my blank 
> CD in like fifteen minutes ago, I keep wondering if I created the ISO 
> files in the wrong way or was it burncd's fault.. Until now here..

This is fallout from getting atapi-cd under GEOM. GEOM wasn't designed
to handle medias of size 0 and where the sizes can change during an
open. I just committed a fix that has solved the issue here (and its ugly).

-Søren