cdrom mount problem

[Lowell Gilbert]

"Chris" <bsdnewbie at coolarrow.com> writes:

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> In summary: the only way to mount my cdrom after burning an ISO is to reboot first.
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> 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:
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> 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: 
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> cd9660: /dev/acd0: Input/output error
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> 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...