This error looks like some sort of hardware problem.

On 24 Dec 2002, Andr� Cruz wrote:

> When I issue a mount /dev/sdc /mnt this shows up in dmesg and mount
> never returns.
>
> The device is a SM/CF reader and I do have a 16MB CF card in it. Please
> help.
>
> SCSI device sdc: 31361 512-byte hdwr sectors (16 MB)
> usb-storage: queuecommand() called
> usb-storage: *** thread awakened.
> usb-storage: Command MODE_SENSE (6 bytes)
> usb-storage: 1a 20 3f 00 04 00 00 00 00 ee 56 c0
> usb-storage: Bulk command S 0x43425355 T 0x33 Trg 0 LUN 1 L 4 F 128 CL 6
> usb-storage: usb_stor_bulk_transfer_buf(): xfer 31 bytes
> usb-storage: Status code 0; transferred 31/31
> usb-storage: -- transfer complete
> usb-storage: Bulk command transfer result=0
> usb-storage: usb_stor_bulk_transfer_buf(): xfer 4 bytes
> drivers/usb/host/uhci-hcd.c: uhci_result_common() failed with status
> 500000
> [ef2fb270] link (2f2fb212) element (2f2fc040)
>   0: [ef2fc040] link (00000001) e3 IOC Stalled Babble Length=3 MaxLen=3
> DT0 EndPt=2 Dev=3, PID=69(IN) (buf=0056ee00)
>
> usb-storage: Status code -75; transferred 4/4

75 is EOVERFLOW, indicating (from Documentation/usb/error-codes.txt):

        The amount of data returned by the endpoint was
        greater than either the max packet size of the
        endpoint or the remaining buffer size.  "Babble".

        Error codes like -EPROTO, -EILSEQ and -EOVERFLOW normally indicate
        hardware problems such as bad devices (including firmware) or
        cables.

> usb-storage: -- unknown error
> usb-storage: Bulk data transfer result 0x3
> usb-storage: -- transport indicates error, resetting
> usb-storage: Bulk reset requested
> drivers/usb/core/message.c: usb_control/bulk_msg: timeout
> usb-storage: command_abort() called
> usb-storage: usb_stor_abort_transport called

Alan Stern



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