On 07/25/2015 at 07:06 AM, Thomas Schmitt wrote: > Hi, > > i stumbled over btrace(8) which lists the SCSI commands by > blktrace, blkparse, and /sys/kernel/debug. > > The only traffic is every 2 seconds a 0x4A GET EVENT STATUS > NOTIFICATION command in "Polled" operational mode, and > notification class request "Media". I did not find out yet > how to get to view the drive's replies.
> In summary there seems to be really no initiator in > the operating system for the tray movements. > Very astonishing. As far as I can see, this leaves two possible places to look: * The BIOS, or (more likely in a modern system) UEFI. * The firmware on the optical drive itself. Neither is likely to be nearly as accessible, on this level, as the OS or its userspace, but I can't see where else you could look at this point. -- The Wanderer The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. -- George Bernard Shaw
signature.asc
Description: OpenPGP digital signature
