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Re: [Qemu-devel] [PATCH for-1.3] usb: tag usb host adapters as not hotpl
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From: |
Gerd Hoffmann |
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Subject: |
Re: [Qemu-devel] [PATCH for-1.3] usb: tag usb host adapters as not hotpluggable. |
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Date: |
Fri, 23 Nov 2012 07:40:19 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.11) Gecko/20121116 Thunderbird/10.0.11 |
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