[4936130.127000] sda : READ CAPACITY failed.
[4936130.127000] sda : status=0, message=00, host=7, driver=00
[4936130.127000] sda : sense not available.
[4936130.127000] sda: Write Protect is off
[4936130.127000] sda: Mode Sense: 00 00 00 00
[4936130.128000] sda: assuming drive cache: write through