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    Subject[2.6.10-rc2-mm3] Broken usb2 mass-storage?
    Hi!

    Im trying to attach a usb2 200gb drive to my laptop that is runnig
    2.6.10-rc2-mm3. Upon connect I get this in dmesg:

    usb 1-2: new high speed USB device using ehci_hcd and address 4
    scsi0 : SCSI emulation for USB Mass Storage devices
    usb-storage: device found at 4
    usb-storage: waiting for device to settle before scanning
    Vendor: Maxtor 6 Model: Y200P0 Rev: YAR4
    Type: Direct-Access ANSI SCSI revision: 04
    SCSI device sda: 398297088 512-byte hdwr sectors (203928 MB)
    sda: assuming drive cache: write through
    sda: sda1
    Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
    Attached scsi generic sg0 at scsi0, channel 0, id 0, lun 0, type 0

    Then I try to access the disk (via fdisk or mount anything) and I get
    the following in dmesg:

    usb 1-2: reset high speed USB device using ehci_hcd and address 4
    usb 1-2: scsi_eh_0 timed out on ep0in
    usb 1-2: device descriptor read/64, error -110
    usb 1-2: scsi_eh_0 timed out on ep0in
    usb 1-2: device descriptor read/64, error -110
    usb 1-2: reset high speed USB device using ehci_hcd and address 4
    usb 1-2: scsi_eh_0 timed out on ep0in
    usb 1-2: device descriptor read/64, error -110

    Then it stalls a while and this shows up:

    scsi: Device offlined - not ready after error recovery: host 0
    channel 0 id 0 lun 0
    usb 1-2: USB disconnect, address 4
    scsi0 (0:0): rejecting I/O to offline device
    scsi0 (0:0): rejecting I/O to offline device
    usb-storage: device scan complete
    usb 1-2: new high speed USB device using ehci_hcd and address 5
    usb 1-2: khubd timed out on ep0in
    usb 1-2: device descriptor read/64, error -110

    And repeats this.. I think you get the point ;)
    The process trying to access the disk hangs.
    Note: the drive works flawless under windows and has worked fine under
    linux during various stages of the 2.5 and early 2.6 kernels :)

    --
    Regards,
    Christian
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