I confirm that switching from "Enhanced" (AHCI) to "Compatible" in the BIOS
fixes the problem, as Peter Klotz suggested.
And no matter for me if eSATA hotplugging is disabled.
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Asus M50VM-DVD doesn't mount and can not be ejected
https://bugs.launchpad.net/bugs/289261
You received this bug not
Same problem for me with Asus F80L-4P007C and Ubuntu 8.10
lshw -class disk :
*-cdrom
description: DVD-RAM writer
product: DVDRAM GSA-T50N
vendor: HL-DT-ST
physical id: 1
bus info: s...@1:0.0.0
logical name: /dev/cdrom
logical name: /dev/cdrw