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

Mark Lord
2006-06-12T21:36:57Z

>> I found this fix in -mm: gregkh-usb-usb-rmmod-pl2303-after-28.patch
>> > It did *not* fix the problem.
>
> That should fix the memory leak after getting that error and let you
> unload the module, right?

Nope. No difference here.

>> If I plug the 1.1 hub/dock into another external hub, no problems.
>
>I recommend doing that :)
>It's not like you get _any_ speed differences by using a USB 2.0 hub
>with this device...

I suppose not! ;)

But the USB2.0 "hub" is built-into my notebook,
and the "cascading hubs" solution is likely to stop
working when we begin enforcing per-port power limits
on these devices.

I'm rebuilding to try the suggested patch now.

Cheers