Not exactly sure if this is USB related.  I've got a SanDisk SDDR-05a CF 
card reader or as lsusb puts it "Bus 002 Device 012: ID 0781:0001 SanDisk 
Corp. SDDR-05a ImageMate CompactFlash Reader"

I've got two CF cards both SanDisk branded, one an 8Mb card and the other a
16Mb card.  I can read/format the 8Mb card no problems but I'm having some
issues with the 16Mb card.  I've seen the error  a few times when reading
the card but I can reproduce it every time when formatting.

[EMAIL PROTECTED] log]# mkfs -t vfat /dev/sdb1
mkfs.vfat 2.8 (28 Feb 2001)
mkfs.vfat: Attempting to create a too large file system

The information that shows up in the log file is:

kernel: scsi2: ERROR on channel 0, id 0, lun 0, CDB:
Read (10) 00 00 00 00 28 00 00 20 00
kernel: Current sd08:11: sense key Medium Error
kernel: Additional sense indicates CIRC unrecovered
error
kernel:  I/O error: dev 08:11, sector 8
kernel: scsi2: ERROR on channel 0, id 0, lun 0, CDB:
Read (10) 00 00 00 00 28 00 00 08 00
kernel: Current sd08:11: sense key Medium Error
kernel: Additional sense indicates CIRC unrecovered error
kernel:  I/O error: dev 08:11, sector 8 .

I realise this is most likely a SCSI error which is where the CIRC reference
comes from but i'm hoping someone can shed some light on this.  Am I right
in thinking that the most likely cause is that the CF card is stuffed?

I'm running RH9 with the RedHat provided kernel 2.4.20-19.9 so all the USB
stuff is loaded as a module. I've not got off my butt and recompiled it yet.

In case it' suseful here's the output of /proc/scsi/scsi.
Host: scsi2 Channel: 00 Id: 00 Lun: 00
  Vendor: E-USB Fl Model: ash              Rev:
  Type:   Direct-Access                    ANSI SCSI revision: 02
 
Cheers,
 Graeme Merrall


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