On Wed, 17 May 2006, Lance Williams wrote:

> Hi
> 
> I was wondering if anyone knew what would be the source of a
> ehci_hcd 0000:01:0b.3: devpath 1 ep0out 3strikes
> hardware error. I traced this output to 
> /usr/src/linux-2.6.16.9/drivers/usb/host/ehci-q.c int the  code segment

> Is this error produced by the usb device, or the USB2.0 pci host card I 
> am using.

There's no easy way to know.  The error occurs when the card is unable to
receive the data sent by the device, or when the device fails to send any
data at all.

The errors might not be caused by either the card or the device.  A
typical cause is low-quality USB cables.  Often the bad cables are the
ones inside the computer case, the ones which connect the front or
side-panel USB ports to the motherboard.

Alan Stern



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