Date: Wed, 21 Mar 2001 16:02:02 +0100 (CET) From: Soren Schmidt <sos@freebsd.dk> To: mckay@thehub.com.au (Stephen McKay) Cc: multimedia@FreeBSD.ORG Subject: Re: burncd and ISO copies Message-ID: <200103211502.QAA00723@freebsd.dk> In-Reply-To: <200103211206.f2LC63911963@dungeon.home> from Stephen McKay at "Mar 21, 2001 10:06:03 pm"
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It seems Stephen McKay wrote: > I just did a spot test. Results: my SCSI CD and SCSI burner worked > fine. My ATAPI Pioneer DVD dropped the last block. This is with > 4.2-stable, and 4.3-beta respectively :-) The SCSI system was built > last November, the IDE one just 11 days ago. > > The tests: (I used CD1 from 4.2-R, if anyone cares) > > (SCSI burner CW-7502) > $ dd if=/dev/rcd0c bs=4k of=/dev/null > 163113+1 records in > 163113+1 records out > 668112896 bytes transferred in 542.834929 secs (1230785 bytes/sec) > > (ATAPI DVD Pioneer 103S) > $ dd if=/dev/racd0c bs=4k of=/dev/null > 163113+0 records in > 163113+0 records out > 668110848 bytes transferred in 427.117307 secs (1564233 bytes/sec) The problem is that the read capacity command returns different things on different CDROM's its the usual +-1 problem. Now to get around that I've just committed a fix to -current that gets the info from the toc instead, that way it should work on all drives... -Søren To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message
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