> On Oct 21, 2019, at 4:37 PM, Klemens Nanni <[email protected]> wrote:
>
> On Sun, Oct 20, 2019 at 09:30:33PM -0400, Kenneth R Westerback wrote:
>> Since -s 2 makes it work I theorize that the media is not handing whatever
>> speed 'auto' decides on. Be interesting to know what speed 'auto' ends up
>> being.
> "auto" corresponds to DRIVE_SPEED_OPTIMAL being 0xfff according to cdio
> code, not sure what that means in the SCSI subsystem. That value is
> eventually being used in mmc.c:set_speed().
0xffff is just passed to the hardware drive, which is supposed to automatically
set its write 'speed' appropriately. Doesn't seem to be an easy way to
determine what speed it decided on.
On my macmini I get the same failure to write. Alas, "-s 2" doesn't fix it for
me. I continue to poke around.
.... Ken
