SDHC Sony SF-8UX don’t works.

[Maurizio Vairani]

I'm trying to use this SDHC as a ZFS cache on a Samsung laptop:
da0 at umass-sim0 bus 0 scbus3 target 0 lun 0
da0: <Multiple Card  Reader 1.00> Removable Direct Access SCSI-0 device
da0: Serial Number 058F63666438
da0: 40.000MB/s transfers
da0: 7667MB (15702016 512 byte sectors: 255H 63S/T 977C)
da0: quirks=0x2<NO_6_BYTE>

After some minutes of usage this error is displayed :
(da0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 00 00 0a 97 9f 00 00 05 00
(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): SCSI sense: UNIT ATTENTION asc:28,0 (Not ready 
to ready change, medium may have changed)
(da0:umass-sim0:0:0:0): Command Specific Info: 0xaa5501
(da0:umass-sim0:0:0:0): Retrying command (per sense data)
(da0:umass-sim0:0:0:0): WRITE(10). CDB: 2a 00 00 0a 97 9f 00 00 05 00
(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): SCSI sense: NOT READY asc:3a,0 (Medium not present)
(da0:umass-sim0:0:0:0): Command Specific Info: 0xaa5501
(da0:umass-sim0:0:0:0): Error 6, Unretryable error
(da0:umass-sim0:0:0:0): READ(10). CDB: 28 00 00 00 00 01 00 00 01 00
(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): SCSI sense: UNIT ATTENTION asc:28,0 (Not ready 
to ready change, medium may have changed)
(da0:umass-sim0:0:0:0): Command Specific Info: 0xaa5501
(da0:umass-sim0:0:0:0): Retrying command (per sense data)
(da0:umass-sim0:0:0:0): READ(10). CDB: 28 00 00 00 00 01 00 00 01 00
(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): SCSI sense: NOT READY asc:3a,0 (Medium not present)
(da0:umass-sim0:0:0:0): Command Specific Info: 0xaa5501
(da0:umass-sim0:0:0:0): Error 6, Unretryable error
GEOM: da0: corrupt or invalid GPT detected.
GEOM: da0: GPT rejected -- may not be recoverable.

Trying to use the SDHC as a MS-DOS device I have receive the error:
(da0:umass-sim0:0:0:0): READ(10). CDB: 28 00 00 4a 00 00 00 00 80 00
(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): SCSI sense: UNIT ATTENTION asc:28,0 (Not ready 
to ready change, medium may have changed)
(da0:umass-sim0:0:0:0): Command Specific Info: 0xaa5501
(da0:umass-sim0:0:0:0): Retrying command (per sense data)
(da0:umass-sim0:0:0:0): READ(10). CDB: 28 00 00 4a 00 00 00 00 80 00
(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): SCSI sense: NOT READY asc:3a,0 (Medium not present)
(da0:umass-sim0:0:0:0): Command Specific Info: 0xaa5501
(da0:umass-sim0:0:0:0): Error 6, Unretryable error

I'm using:
[root at ativ ~/bin]# uname -a
FreeBSD ativ.local 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r260700: Thu Jan 
16 07:03:04 CET 2014     root at ativ.local:/usr/obj/usr/src/sys/NEWCONS  amd64

I've tested the card in Mac OS X on a Mac mini and in Windows 8 on the 
same laptop, without problems. I've only noted that the I/O speed is  
much lower on the Mac mini.

Mac Write:
mac-mini:~ maurizio$ sudo dd if=/dev/zero  of=/dev/disk1 bs=1048576 
count=200
209715200 bytes transferred in 138.019361 secs (1519462 bytes/sec)
Mac Read:
mac-mini:~ maurizio$ sudo dd of=/dev/null  if=/dev/disk1 bs=1048576 
count=200
209715200 bytes transferred in 23.719487 secs (8841473 bytes/sec)

FreeBSD Write:
[root at ativ ~]# dd if=/dev/zero  of=/dev/da0 bs=1048576 count=200
209715200 bytes transferred in 13.647264 secs (15366831 bytes/sec)
FreeBSD Read:
[root at ativ ~]# dd of=/dev/null  if=/dev/da0 bs=1048576 count=200
209715200 bytes transferred in 11.050251 secs (18978320 bytes/sec)

Windows Write:
with DH_Speed 1 min. test 16M/sec
Windows Read:
with DH_Speed 1 min. test 17.4M/sec

Regards,
Maurizio