Off the LKML now...  For those who just tuned in, this continues a 
thread starting with

http://marc.theaimsgroup.com/?l=linux-kernel&m=107487719002239&w=2


On Fri, 23 Jan 2004, Greg KH wrote:

> That patch that Alan pointed to is wrong anyway, it dies a horrible
> death, and was only a hack to try something.

Really?  I didn't see any problems in it.  Do you remember just what was 
wrong with the patch?

> I think it might be a better idea to just prevent the module unload of
> the USB host controller until all drivers bound to devices owned by it
> are also unbound in order to fix these kinds of problems.

That sounds too extreme.  How is someone supposed to unbind all the
drivers, if they want to unload the HCD, short of unloading them too?  
What about the hub driver bound to the virtual root hub? -- there's no way
to unbind that.

I thought the whole problem was simply that the HCD module was unloading 
before it had finished releasing its bus.  If that is fixed, shouldn't 
everything else be okay?

Alan Stern








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