sony usb floppy drive problems

Hi all,
I had today to format a lot of floppy disks and wanted to speed up things
with connecting second floppy disk drive to my desktop, but with no sucsess
... Here is what I got when I try to fdformat /dev/da0 , detach, attach
device :
( in case you need full dmesg is attached )

(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 (per Sense Data)
GEOM: create disk da0 dp=0xc6b39850
da0 at umass-sim0 bus 0 target 0 lun 0
da0: <SONY USB-FDU 4.01> Removable Direct Access SCSI-0 device
da0: 1.000MB/s transfers
da0: Attempt to query device size failed: NOT READY, Medium not present
(da0:umass-sim0:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
(da0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
(da0:umass-sim0:0:0:0): SCSI Status: Check Condition
(da0:umass-sim0:0:0:0): NOT READY asc:3a,0
(da0:umass-sim0:0:0:0): Medium not present
(da0:umass-sim0:0:0:0): Unretryable error
Opened disk da0 -> 6
(da0:umass-sim0:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
(da0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
(da0:umass-sim0:0:0:0): SCSI Status: Check Condition
(da0:umass-sim0:0:0:0): NOT READY asc:3a,0
(da0:umass-sim0:0:0:0): Medium not present
(da0:umass-sim0:0:0:0): Unretryable error
Opened disk da0 -> 6
Mounting root from ufs:/dev/ar0s3a
lock order reversal
 1st 0xc6b6ea90 rtentry (rtentry) _at_ /usr/src/sys/net/route.c:182
 2nd 0xc6a0617c radix node head (radix node head) _at_
/usr/src/sys/net/route.c:544
Stack backtrace:
(da0:umass-sim0:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
(da0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
(da0:umass-sim0:0:0:0): SCSI Status: Check Condition
(da0:umass-sim0:0:0:0): UNIT ATTENTION asc:28,0
(da0:umass-sim0:0:0:0): Not ready to ready change, medium may have changed
(da0:umass-sim0:0:0:0): Retrying Command (per Sense Data)
umass0: Unsupported UFI command 0x35
(da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x6, scsi status
== 0x0
umass0: Unsupported UFI command 0x35
(da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x6, scsi status
== 0x0
umass0: Unsupported UFI command 0x35
(da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x6, scsi status
== 0x0
umass0: Unsupported UFI command 0x35
(da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x6, scsi status
== 0x0
umass0: Unsupported UFI command 0x35
(da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x6, scsi status
== 0x0
umass0: Unsupported UFI command 0x35
(da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x6, scsi status
== 0x0
umass0: at uhub2 port 2 (addr 2) disconnected
(da0:umass-sim0:0:0:0): lost device
(da0:umass-sim0:0:0:0): removing device entry
GEOM: destroy disk da0 dp=0xc6b39850
umass0: detached
umass0: Sony USB Floppy Drive, rev 1.10/4.01, 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 (per Sense Data)
GEOM: create disk da0 dp=0xc695a050
da0 at umass-sim0 bus 0 target 0 lun 0
da0: <SONY USB-FDU 4.01> Removable Direct Access SCSI-0 device
da0: 1.000MB/s transfers
da0: 1MB (2880 512 byte sectors: 64H 32S/T 1C)
umass0: Unsupported UFI command 0x35
(da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x6, scsi status
== 0x0
umass0: Unsupported UFI command 0x35
(da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x6, scsi status
== 0x0
umass0: Unsupported UFI command 0x35
(da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x6, scsi status
== 0x0
umass0: Unsupported UFI command 0x35
(da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x6, scsi status
== 0x0
umass0: Unsupported UFI command 0x35
(da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x6, scsi status
== 0x0