I suppose that the fix has been released with kernel 2.6.20-13, as the problem does not occur any more on my computer with this kernel.
-- kernel.log syslog filling up with repeated ata2 and cdrom messages https://launchpad.net/bugs/95105 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs