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To: "Chris" <bsdnewbie@coolarrow.com>
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From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: 18 Mar 2004 11:20:04 -0500
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Subject: Re: cdrom mount problem
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"Chris" <bsdnewbie@coolarrow.com> writes:

> *This message was transferred with a trial version of CommuniGate(tm) Pro*
> 
> 
> 
> 
> In summary: the only way to mount my cdrom after burning an ISO is to reboot first.
> 
> 
> Prior to 5.2.1-RC1, I was able to burn ISO imaged onto a CDRW using burncd, then later mount /cdrom to access the files I burned. With RC1 and now with 5.2.1-RELEASE, a strange thing happens:
> 
> After a reboot, I can mount /cdrom and access files on the disc. But if I re-burn the ISO file, then try to mount /cdrom, I get this: 
> 
> cd9660: /dev/acd0: Input/output error
> 
> BUT... if I reboot THEN try to access that same disk, it works fine.

Try ejecting and re-loading the disk. 
I've seen some firmware that gets confused easily in these cases...