On Wed, 8 Apr 2020 at 22:21, Tom Horsley <horsley1...@gmail.com> wrote:
> Anyone else experienced this:
>
> I have a nice modern LG WH16NS40 Blu-ray rewriter, and a nice modern
> computer case with zero drive bays, so I got an OWC external drive
> case with sata -> usb3 to hold the drive.
>
> Everything I've tried works like a champ on this drive except
> trying to rip a DVD. It hangs at open as long as I care to wait.
> (Blu-ray, no problem, cdrom, no problem, writing Blu-ray, no problem).
> The strace looks like:
>
> stat("/dev/sr0", {st_mode=S_IFBLK|0660, st_rdev=makedev(0xb, 0), ...}) = 0
> openat(AT_FDCWD, "/dev/sr0", O_RDONLY <-- never finishes till I unplug it
>
> External USB cases often work well for simple use cases, but each model has
issues with off-label use cases. I had 2 of the same model from the same
vendor
have different issues.
OWC has been better than the average low-priced Amazon kit. Have you
contacted them?
If I put the drive in another computer that does have an internal drive
> bay, it reads DVDs just fine with a direct sata connection.
>
> Meanwhile an old small portable USB powered pioneer drive can read
> DVDs just fine.
>
> Just curious if there is some kind of known bug out there. I guess
> my work-around is to always use the pioneer for DVDs.
>
The bug may only appear for certain combinations of drive and USB
chipset. Check for firmware updates for the drive.
--
George N. White III
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