Re: Webcam stops other USB devices (ehci_hcd: HC died; cleaning up)

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On Sun, 13 May 2012, Geoff Levand wrote:

> > Does ehci_poll_PSS() get called?  And when it does, does it call 
> > ehci_set_command_bit()?
> 
> 
> No, ehci_poll_PSS() is never called.  I need to do some more work to
> understand what's happening.  Any suggestions would be welcome.

Check out what's happening in enable_periodic().  The first time 
through, ehci->enabled_hrtimer_events should not have the 
EHCI_HRTIMER_DISABLE_PERIODIC bit set, so the "if" statement's "else" 
case should call ehci_poll_PSS().

Alan Stern

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