Another tidbit... I just tried booting from the previously-working kernel (2.6.28-11) and drive will still not spin down / sleep. I wonder if it's an issue elsewhere, perhaps hal or gvfs. Attached is a list of updates that occurred between the sleep command working and not.
** Attachment added: "synaptic_update_log" http://launchpadlibrarian.net/28222532/synaptic_update_log -- hard disk will not spin down by hdparm or sdparm https://bugs.launchpad.net/bugs/359513 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs