Hi,
> > We don't copy any state. It is rather pointless, even for save/resume on
> > the
> > same machine we don't know what state the usb device has and whenever it is
> > still in the state the guest has left it.
> I have tried stop/cont a vm with host-usb device during coping large
> files
> -Original Message-
> From: gerd hoffmann [mailto:kra...@redhat.com]
> Sent: Friday, August 17, 2018 2:08 PM
> To: CheneyLin
> Cc: linzhecheng ; wangxin (U)
> ; qemu-devel@nongnu.org
> Subject: Re: [Qemu-devel] [PATCH] usb-host: insert usb device into ho
> > Why live-migrate to localhost? That is rather tricky due to both source
> > and target qemu accessing host resources at the same time, and I guess
> > this is the reason you are seeing the problems here.
> Thanks for your reply, but I'm still confused about these issues:
> 1. If local live mig
> -原始邮件-
> 发件人: "Gerd Hoffmann"
> 发送时间: 2018-08-16 21:01:31 (星期四)
> 收件人: linzhecheng
> 抄送: "wangxin (U)" , "qemu-devel@nongnu.org"
>
> 主题: Re: [Qemu-devel] [PATCH] usb-host: insert usb device into hostdevs to be
> scaned
&
> > Hmm, needs_autoscan is a fixed property of the device (depending on
> > configuration), it should not be switched on and off.
> >
> > What problem you are trying to solve?
> I'm trying to live migrate a vm to local host, but found the host-usb device
> was removed then.
> Is it possible not t
> -Original Message-
> From: Gerd Hoffmann [mailto:kra...@redhat.com]
> Sent: Thursday, August 16, 2018 6:46 PM
> To: linzhecheng
> Cc: qemu-devel@nongnu.org; wangxin (U)
> Subject: Re: [PATCH] usb-host: insert usb device into hostdevs to be scaned
>
> On Thu, Aug 16, 2018 at 05:43:56P
On Thu, Aug 16, 2018 at 05:43:56PM +0800, linzhecheng wrote:
> According to the comment of usb_host_post_load_bh, after removing the
> usb device passed through, we will kick host to scan it again, but the
> emulated
> usb device is not added to global list hostdevs, so it can never be
> discover
