------------- /var/log/messages
Sep 30 17:32:43 tp01 kernel: umass0: CASIO COMPUTER CASIO QV DIGITAL, rev 1.00/10.00, addr 2
Sep 30 17:32:43 tp01 kernel: (probe0:umass-sim0:0:0:0): INQUIRY. CDB: 12 0 0 0 24 0 
Sep 30 17:32:43 tp01 kernel: (probe0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
Sep 30 17:32:43 tp01 kernel: (probe0:umass-sim0:0:0:0): SCSI Status: Check Condition
Sep 30 17:32:43 tp01 kernel: (probe0:umass-sim0:0:0:0): UNIT ATTENTION asc:29,0
Sep 30 17:32:43 tp01 kernel: (probe0:umass-sim0:0:0:0): Power on, reset, or bus device reset occurred
Sep 30 17:32:43 tp01 kernel: (probe0:umass-sim0:0:0:0): Retrying Command
Sep 30 17:32:43 tp01 kernel: (probe0:umass-sim0:0:0:0): INQUIRY. CDB: 12 0 0 0 24 0 
Sep 30 17:32:43 tp01 kernel: (probe0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
Sep 30 17:32:43 tp01 kernel: (probe0:umass-sim0:0:0:0): SCSI Status: Check Condition
Sep 30 17:32:43 tp01 kernel: (probe0:umass-sim0:0:0:0): UNIT ATTENTION asc:28,0
Sep 30 17:32:43 tp01 kernel: (probe0:umass-sim0:0:0:0): Not ready to ready change, medium may have changed
Sep 30 17:32:43 tp01 kernel: (probe0:umass-sim0:0:0:0): Retrying Command
Sep 30 17:32:43 tp01 kernel: da0 at umass-sim0 bus 0 target 0 lun 0
Sep 30 17:32:43 tp01 kernel: da0: <CASIO DIGITAL_CAMERA 1.00> Removable Direct Access SCSI-0 device 
Sep 30 17:32:43 tp01 kernel: da0: 150KB/s transfers
Sep 30 17:32:43 tp01 kernel: da0: 12MB (24576 512 byte sectors: 0H 0S/T 0C)
Sep 30 17:33:21 tp01 kernel: umass0: at uhub1 port 1 (addr 2) disconnected
Sep 30 17:33:21 tp01 kernel: (da0:umass-sim0:0:0:0): lost device
Sep 30 17:33:21 tp01 kernel: (da0:umass-sim0:0:0:0): removing device entry
Sep 30 17:33:21 tp01 kernel: umass0: detached

------------- dmesg
umass0: CASIO COMPUTER CASIO QV DIGITAL, rev 1.00/10.00, addr 2
(probe0:umass-sim0:0:0:0): INQUIRY. CDB: 12 0 0 0 24 0 
(probe0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
(probe0:umass-sim0:0:0:0): SCSI Status: Check Condition
(probe0:umass-sim0:0:0:0): UNIT ATTENTION asc:29,0
(probe0:umass-sim0:0:0:0): Power on, reset, or bus device reset
occurred
(probe0:umass-sim0:0:0:0): Retrying Command
(probe0:umass-sim0:0:0:0): INQUIRY. CDB: 12 0 0 0 24 0 
(probe0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
(probe0:umass-sim0:0:0:0): SCSI Status: Check Condition
(probe0:umass-sim0:0:0:0): UNIT ATTENTION asc:28,0
(probe0:umass-sim0:0:0:0): Not ready to ready change, medium may have
changed
(probe0:umass-sim0:0:0:0): Retrying Command
da0 at umass-sim0 bus 0 target 0 lun 0
da0: <CASIO DIGITAL_CAMERA 1.00> Removable Direct Access SCSI-0 device 

da0: 150KB/s transfers
da0: 12MB (24576 512 byte sectors: 0H 0S/T 0C)
umass0: at uhub1 port 1 (addr 2) disconnected
(da0:umass-sim0:0:0:0): lost device
(da0:umass-sim0:0:0:0): removing device entry
umass0: detached

--------------------usbdevs -v
tp01{mitchy}46: usbdevs -v
Controller /dev/usb0:
addr 1: self powered, config 1, UHCI root hub(0x0000), Intel(0x0000),
rev 0x0100
 port 1 powered
 port 2 powered
Controller /dev/usb1:
addr 1: self powered, config 1, UHCI root hub(0x0000), Intel(0x0000),
rev 0x0100
 port 1 addr 2: low speed, self powered, config 1, CASIO QV
DIGITAL(0x1001), CASIO COMPUTER(0x07cf), rev 0x1000
 port 2 powered
Controller /dev/usb2:
addr 1: self powered, config 1, UHCI root hub(0x0000), Intel(0x0000),
rev 0x0100
 port 1 powered
 port 2 powered