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I am cross compiling kernel 2.6.33 for an AU1000 platform. All seems ok until large transfers are attempted to or from a USB stick when the whole unit locks up ...
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  1. #1
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    USB Host hang on AU1000


    I am cross compiling kernel 2.6.33 for an AU1000 platform. All seems ok until large transfers are attempted to or from a USB stick when the whole unit locks up maybe immediately or maybe after a few seconds.

    Doing an ls etc on the device prior to lockup, all seems well.

    The problem is USB related I think as the same problem occurs when bluetooth pinging.

    Attaching an ICE is no use as the ICE will not connect to the unit when hung, the jtag looks as though it is not well at this point.

    Is this a clock related issue, has anybody else seen this behaviour??

  2. #2
    Linux Guru Rubberman's Avatar
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    What USB options have you configured into the kernel? And what ones are available?
    Sometimes, real fast is almost as good as real time.
    Just remember, Semper Gumbi - always be flexible!

  3. #3
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    Hi Rubberman,

    Thanks for the response...

    The kernel is configured with: -
    CONFIG_USB_OHCI_HCD=m
    CONFIG_USB_OHCI_LITTLE_ENDIAN=y
    CONFIG_USB_STORAGE=y
    CONFIG_USB_STORAGE_DEBUG=y
    CONFIG_USB_MON=y
    CONFIG_USB_DEVICEFS=y

    I think those are all the appropriate USB configuration details I can see.

    Cheers.

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