can't mount maxtor 3000 le

[Randy Bush]

i have a usb disk, a maxtor 3000LE
-stable
kernel
device scbus0 at sym0 # SCSI bus (required)
#device da # Direct Access (disks)
device da0 at scbus0 target 0 unit 0
device da1 at scbus0 target 1 unit 0
...
device uhci # UHCI PCI->USB interface
device ohci # OHCI PCI->USB interface
device usb # USB Bus (required)
device ugen # Generic
device uhid # "Human Interface Devices"
device ukbd # Keyboard
device ulpt # Printer
device umass # Disks/Mass storage - Requires scbus and da
device ums # Mouse
device uscanner # Scanners

dmesg excerpts
ohci0: <OHCI (generic) USB controller> mem 0xfa000000-0xfa000fff irq 9 at device 15.2 on pci0
usb0: OHCI version 1.0, legacy support
usb0: <OHCI (generic) USB controller> on ohci0
usb0: USB revision 1.0
uhub0: (unknown) OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 4 ports with 4 removable, self powered
umass0: Maxtor Maxtor USB Drive , rev 2.00/3.01, addr 2
...
da2 at umass-sim0 bus 0 target 0 lun 0
da2: <MAXTOR 4 K040H2 A08.> Fixed Direct Access SCSI-0 device
da2: 650KB/s transfers
da2: 38182MB (78198750 512 byte sectors: 64H 32S/T 38182C)

camcontrol likes it
# camcontrol devlist
<IBM DDYS-T18350N S93E> at scbus0 target 0 lun 0 (pass0,da0)
<IBM DDYS-T18350N S93E> at scbus0 target 1 lun 0 (pass1,da1)
<MAXTOR 4 K040H2 A08.> at scbus1 target 0 lun 0 (pass2,da2)
# camcontrol tur da2
Unit is not ready

but i can not fdisk it

# fdisk da2
fdisk: can't open device /dev/da2
fdisk: cannot open disk /dev/da2: Input/output error

and it logs

(da2:umass-sim0:0:0:0): READ(06). CDB: 8 0 0 0 1 0
(da2:umass-sim0:0:0:0): ILLEGAL REQUEST asc:20,0
(da2:umass-sim0:0:0:0): Invalid command operation code
da2: reading primary partition table: error reading fsbn 0

clues?

randy

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[Scott Long]

On Sun, Oct 14, 2001 at 12:37:10PM -0700, Randy Bush wrote:
> i have a usb disk, a maxtor 3000LE

> [...]

> and it logs
>
> (da2:umass-sim0:0:0:0): READ(06). CDB: 8 0 0 0 1 0
> (da2:umass-sim0:0:0:0): ILLEGAL REQUEST asc:20,0
> (da2:umass-sim0:0:0:0): Invalid command operation code
> da2: reading primary partition table: error reading fsbn 0

It does't like 6 byte commands. A quirk entry is needed in
/sys/cam/scsi/scsi_da.c similar to the entry I made in rev 1.80 for the
Sony CLIE. Let me know if you need help and/or want to submit a patch.

Scott