Re: Kernel lockup when unplugging device from hub

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On Mon, 27 Jul 2009, David Brownell wrote:

> On Monday 27 July 2009, Alan Stern wrote:
> > >   ehci_hcd 0000:00:13.2: dma_pool_destroy ehci_qtd, ffff88004880f000 busy
> > >   ehci_hcd 0000:00:13.2: dma_pool_destroy ehci_qh, ffff88004884c000 busy
> > 
> > Those are a real problem.  I still need to figure out what's causing 
> > them.
> 
> qtd not getting unlinked?  that should suffice; it'd carry
> the qh along...

Yes, certainly.  The question is: Why isn't the qTD getting unlinked?  
More debugging is needed.

Alan Stern

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