Re: pl2303 ttyUSB0: pl2303_open - failed submitting interrupt urb, error -28

Mark Lord
2006-06-12T21:15:44Z

Greg KH wrote:
> On Mon, Jun 12, 2006 at 04:06:22PM -0400, Mark Lord wrote:
>> pl2303 ttyUSB0: pl2303_open - failed submitting interrupt urb, error -28
>>
>> The pl2303 serial port is part of a USB1.1 Hub/dock device,
>> plugged into a USB2 port on my notebook.
>
> Known issue for years. Either plug it directly into the USB 2.0 root
> hub, or disable the ehci driver.
>
>> I get the same failure again when trying to use the port with Kermit.
>> This device was working fine here not long ago -- on the -rc5 kernels I
>> think.
>
> It's a flaky thing.
>
> Also, look in the -mm tree, there is a fix for this direct error, and
> hopefully some ehci fixes that enable the whole thing to work properly.

I found this fix in -mm: gregkh-usb-usb-rmmod-pl2303-after-28.patch
It did *not* fix the problem.

Any other candidates available?

Thanks