On Sun, 11 Mar 2007, Pete Zaitcev wrote:

> On Sun, 11 Mar 2007 12:47:10 +0100 (CET), Martin Drab <[EMAIL PROTECTED]> 
> wrote:
> 
> > OK, good to know that at least on the Linux side this should be supported. 
> > I read some comments on the net (probably describing some ancient version 
> > of kernel or what), where there were some hints like that it may not be 
> > supported. So I wasn't sure whether recent kernels are capable of it. Good 
> > to know they are.
> 
> 2.4 has special workarounds to allow it, but it's really ancient
> in 2007. For example, Red Hat shipped the last 2.4 based system
> five years ago.

Yes, I thought it was just for ancient kernels, but I just wanted to be 
sure the feature is supported (on recent 2.6 kernels) before starting to 
dig for the bug.

> > After it gets stuck, when I switch off the device, all the scheduled URBs 
> > return with -EPROTO error.
> 
> But this is a good thing, isn't it? It happens because your device
> stopped replying to tokens while still attached to its hub port.
> It's not the same as the disconnect, which ends with different
> error code. Although perhaps I'm confused here.

No, you're absolutely correct.
And unless the USB device controller chip is buggy, it's most probably a 
bug in my driver or firmware that I'd have to find.

Martin

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