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Re: [Qemu-devel] Some confusion about live migration of usb device
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From: |
linzhecheng |
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Subject: |
Re: [Qemu-devel] Some confusion about live migration of usb device |
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Date: |
Thu, 6 Sep 2018 12:10:08 +0000 |
You had said that copying vmstate of usb-host is pointless, so just unpulg and
plug it after migration is all right,
but will other usb devices like usb-storage devices lose pending USBPackets
then?
> -----Original Message-----
> From: gerd hoffmann [mailto:address@hidden
> Sent: Thursday, September 06, 2018 8:04 PM
> To: linzhecheng <address@hidden>
> Cc: CheneyLin <address@hidden>; wangxin (U)
> <address@hidden>; address@hidden
> Subject: Re: Some confusion about live migration of usb device
>
> On Thu, Sep 06, 2018 at 10:25:20AM +0000, linzhecheng wrote:
> > Hi, Gerd
> >
> > I'm going through relevant codes about live migration of usb devices,
> > it seems that we will not save/load USBpacket in any vmstate, so
> > pending usb packets will be lost after live migration, is it a
> > problem?
>
> With usb-host or usb-redir?
>
> cheers,
> Gerd