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Re: [PATCH 04/17] rt2x00: fix hang when unplugging USB device in use

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> > > Odd I have been testing this while stresstesting
> the card,
> > > and either
> > > unplugging, rmmod or ifdown, and I couldn't
> > > reproduce any crashes. Has the stacktrace changed
> after
> > > these patches?
> > 
> > I can confirm when the rt2800usb is loaded and an
> rt3070 chip is connected to
> > a network, running 'rmmod rt2800usb rt2x00lib
> rt2x00usb rt2800lib' causes
> > immediate system hang (and hard-reset).
> 
> FWIW, I did not test this case.  I only tested
> hot-unplug of the
> USB device.  However, I think usually when the network
> interface
> is up the module use count should be incremented so that
> you
> cannot unload the module.
> 


Hi, Johannes

I can rmmod the zd1211rw for example, even the interface is up and connected to a network, whereas the rt2800usb forces the system to freeze. Why the difference?

Walter


      
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