Re: Callback not called on bulk out transfer with usbfs

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On Wed, 13 Jun 2012, Austin Schuh wrote:

> > You changed two things here: the EHCI vendor and the kernel version.
> > What happens if you change only one a time?
> 
> Correct.  I'll try running the 2.6.38.8 kernel on it.  The setup is
> sufficiently different that it could take me a bit to build and
> install.  I'm not sure what this says though, since case
> PCI_VENDOR_ID_NVIDIA in ehci-pci.c doesn't clear
> ehci->need_io_watchdog, so it is using the workaround that made the
> intel devices work.

Ah, that's probably it.  What happens on that machine if you do clear
need_io_watchdog?  And is there any difference between 2.6.32 and 
2.6.38?

Alan Stern

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