From owner-freebsd-hardware  Sun Oct 14 12:37:16 2001
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From: Randy Bush <randy@psg.com>
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To: freebsd-hardware@freebsd.org, freebsd-scsi@freebsd.org
Subject: can't mount maxtor 3000 le
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Date: Sun, 14 Oct 2001 12:37:10 -0700
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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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