Hi,
I got recently USB 2.0 flash disk (Apacer 256MB HandySteno TN202, see e.g.
http://www.meritline.com/tn202-usb2-handydrive-256.html), which gets detected in
2.4.22 kernel and should be available as /dev/sda, but this device is inaccessible,
see below.
PLEASE NOTE, I'm not interested in using it as USB 2.0 device, I'm happy with USB 1.1
compatibility mode as my hardware is rather old (PII CPU).
tail /var/log/messages upon disk plugging-in:
Oct 22 09:34:51 ws14-l kernel: hub.c: new USB device 00:04.2-1, assigned address 2
Oct 22 09:34:51 ws14-l kernel: Product: USB Flash Drive
Oct 22 09:34:51 ws14-l kernel: SerialNumber: 070200010A90AB0
Oct 22 09:34:51 ws14-l kernel: scsi0 : SCSI emulation for USB Mass Storage devices
Oct 22 09:34:51 ws14-l kernel: Vendor: USB Model: Flash Drive Rev: 1.12
Oct 22 09:34:51 ws14-l kernel: Type: Direct-Access ANSI SCSI revision:
02
Oct 22 09:34:51 ws14-l kernel: Attached scsi removable disk sda at scsi0, channel 0,
id 0, lun 0
Oct 22 09:34:51 ws14-l kernel: SCSI device sda: 507901 512-byte hdwr sectors (260 MB)
Oct 22 09:34:51 ws14-l kernel: sda: Write Protect is off
Oct 22 09:34:51 ws14-l kernel: sda:<7>usb-storage: queuecommand() called
Oct 22 09:34:51 ws14-l kernel: sda1 sda2 sda3 sda4
Here comes trouble:
ws14-l:/home/vitko# fdisk /dev/sda
Unable to read /dev/sda
^^^^^^^^^^^^^^^^^^^^^^^
Needless to say I can't mount a thing, I'm getting so I/O and sector not found
errors...
Some general info for your pleasure:
ws14-l:/home/vitko# cat /proc/pci | grep USB
USB Controller: Intel Corp. 82371AB/EB/MB PIIX4 USB (rev 1).
ws14-l:/home/vitko# uname -a
Linux ws14-l 2.4.22 #1 St říj 22 09:07:17 CEST 2003 i686 unknown
ws14-l:/home/vitko# cat /proc/scsi/usb-storage-0/0
Host scsi0: usb-storage
Vendor: Unknown
Product: USB Flash Drive
Serial Number: 070200010A90AB0
Protocol: Transparent SCSI
Transport: Bulk
GUID: 1005b1130070200010a90ab0
Attached: Yes
ws14-l:/home/vitko# cat /proc/partitions
major minor #blocks name rio rmerge rsect ruse wio
wmerge wsect wuse running use aveq
8 0 253950 sda 27 151 198 1320 0 0 0 0 0 1320 1320
8 1 84344762 sda1 21 107 140 960 0 0 0 0 0 960 960
8 2 934360246 sda2 1 0 1 20 0 0 0 0 0 20 20
8 3 112900025 sda3 0 0 0 0 0 0 0 0 0 0 0
8 4 1717523968 sda4 0 0 0 0 0 0 0 0 0 0 0
<snip>
Thanks for any tips or hits.
Vitko
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