Re: usb audio breaks ohci-pci

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On Tue, 1 Apr 2014, Dennis New wrote:

> On Tue, 1 Apr 2014 22:38:39 -0400 (EDT), Alan Stern wrote:
> > On Tue, 1 Apr 2014, Dennis New wrote:
> > > > [...]
> > > > This indicates that the OHCI host controller just stopped
> > > > working. Then about a minute later, the audio device disconnected.
> > > 
> > > Yep, that's what happened. I manually disconnected the usb audio
> > > device though. And then tried plugging it back in, but got no
> > > response.
> > 
> > No response because the hub driver was hung.  But something should
> > have shown up in the usbmon trace, depending on how badly the OHCI
> > controller was messed up.  Did you stop the trace before plugging the
> > device back in?
> 
> Nope, it was running the whole time, for almost an hour after the
> crash. There was no further activity coming from "3u".

I guess that means the OHCI controller was pretty thoroughly hosed.

Alan Stern

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