Hello,
I tried to read a memory stick which is inserted in a Sony video camera.
This camera is connected to my computer with a USB cable to my USB 2.0
port. The camera shows up in 'lsusb', but in
/dev/scsi/host1/bus0/target0/lun0/ I only see 'disk' and 'generic' (host0
is for ide-scsi). So there seem to be no partitions to mount.
When unplugging the cable and then replugging it, I get a new host,
host2, and host1 also still shows up. I get an extra host every time I
replug the cable (but 'disk' and ;general' only exists in the last one
created.
Using the verbose messaging, I get this in /var/log/messages:
Dec 25 16:15:56 localhost kernel: hub 2-0:1.0: new USB device on port 2,
assigned address 2
Dec 25 16:15:56 localhost kernel: usb 2-2: Product: Sony Handycam
Dec 25 16:15:56 localhost kernel: usb 2-2: Manufacturer: Sony
Dec 25 16:15:56 localhost kernel: scsi1 : SCSI emulation for USB Mass
Storage devices
Dec 25 16:15:56 localhost kernel: Vendor: Sony Model: Sony DSC
Rev: 3.00
Dec 25 16:15:56 localhost kernel: Type: Direct-Access
ANSI SCSI revision: 02
Dec 25 16:15:56 localhost scsi.agent[3269]: how to add device type= at
/devices/pci0000:00/0000:00:03.1/usb2/2-2/2-2:1.0/host1/1:0:0:0 ??
Dec 25 16:15:56 localhost kernel: SCSI device sda: 7904 512-byte hdwr
sectors (4 MB)
Dec 25 16:15:56 localhost kernel: sda: Write Protect is off
Dec 25 16:15:56 localhost kernel: SCSI device (ioctl) reports ILLEGAL
REQUEST.
Dec 25 16:15:56 localhost kernel: SCSI device sda: 7904 512-byte hdwr
sectors (4 MB)
Dec 25 16:15:56 localhost kernel: sda: Write Protect is off
Dec 25 16:15:56 localhost kernel: SCSI device sda: 7904 512-byte hdwr
sectors (4 MB)
Dec 25 16:15:56 localhost kernel: sda: Write Protect is off
Dec 25 16:15:56 localhost kernel:
/dev/scsi/host1/bus0/target0/lun0:<3>Buffer I/O error on device sda,
logical block 0
Dec 25 16:15:56 localhost kernel: unable to read partition table
Dec 25 16:15:56 localhost kernel:
/dev/scsi/host1/bus0/target0/lun0:<3>Buffer I/O error on device sda,
logical block 0
Dec 25 16:15:56 localhost kernel: unable to read partition table
Dec 25 16:15:56 localhost kernel: Attached scsi removable disk sda at
scsi1, channel 0, id 0, lun 0
Dec 25 16:15:56 localhost kernel: Attached scsi generic sg1 at scsi1,
channel 0, id 0, lun 0, type 0
This works fine on the same computer with Knoppix (kernel 2.4.?). Note
that it's a 4MB memorystick, and write-protect is actually on.
Any ideas what's wrong?
Regards,
Jeroen.
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