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Date: Fri, 23 Nov 2012 07:40:19 +0100
From: Gerd Hoffmann <kraxel@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH for-1.3] usb: tag usb host adapters as not
	hotpluggable.
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To: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-devel@nongnu.org

On 11/22/12 18:23, Paolo Bonzini wrote:
> Il 22/11/2012 14:50, Gerd Hoffmann ha scritto:
>> Hotplugging them simply doesn't work, so tag them accordingly to
>> avoid users trying and then crashing qemu.
>>
>> For xhci there is nothing fundamental which prevents hotplug from
>> working, we'll "only" need a exit() function which cleans up
>> everything properly.  That isn't for 1.3 though.
>>
>> For ehci+uhci+ohci hotplug can't be supported until qemu gains the
>> capability to hotplug multifunction pci devices.
> 
> I think it works but you have to hot-plug function 0 last.
> 
> Can you add a pointer to a launchpad bug or (if there was one) a ML
> message reporting the failure?

https://bugzilla.redhat.com/show_bug.cgi?id=879096

cheers,
  Gerd