Code:
>dmesg -a | grep -i error
(probe0:umass-sim0:0:0:0): CAM status: SCSI Status Error
(probe0:umass-sim0:0:0:1): CAM status: SCSI Status Error
(probe0:umass-sim0:0:0:2): CAM status: SCSI Status Error
(probe0:umass-sim0:0:0:3): CAM status: SCSI Status Error
>dmesg -a | grep -i fail
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, 1fde0000 (3) failed
cd0: Attempt to query device size failed: NOT READY, Medium not present
da0: Attempt to query device size failed: NOT READY, Medium not present
da1: Attempt to query device size failed: NOT READY, Medium not present
da2: Attempt to query device size failed: NOT READY, Medium not present
da3: Attempt to query device size failed: NOT READY, Medium not present
Sincerely!