Re: [linux-usb-devel] Re: [OOPS, usbcore, releaseintf] 2.6.0-test10-mm1

From: Duncan Sands
Date: Tue Dec 09 2003 - 17:08:03 EST


> It's not at all clear how that could happen. Those pointers are located
> in static data in the HCD modules. It doesn't seem likely that the
> pointer was overwritten. The only other possibility I can think of is
> that the module was already unloaded. But that's not possible since you
> were holding a reference to a device on that bus.

It occurred on system shutdown - so I guess the module was unloaded.
Maybe the bus reference counting is borked. I've sent Vince a patch that
should produce some more info.

> Maybe the answer is that hcd->driver is messed up but for some reason
> still points to actual data. I can't imagine why that would happen
> either.

Me neither.

Duncan.
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