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Re: [Qemu-devel] one issue about usb passsthrough devices
From: |
gerd hoffmann |
Subject: |
Re: [Qemu-devel] one issue about usb passsthrough devices |
Date: |
Mon, 5 Nov 2018 07:11:05 +0100 |
User-agent: |
NeoMutt/20180716 |
On Thu, Nov 01, 2018 at 01:57:15AM +0000, linzhecheng wrote:
> Hi, all
> A found a problem about libusb, the reproducing steps are as followed:
> 1. start up a vm with host-usb devices
> 2. kill -9 `pgrep qemu`
> We can not see the usb device on host any more, I think this is because qemu
> has no chance to release
> resources to kernel in this case.
Yes.
> How can we recover environment if we encounter this problem?
Unplug device, plug it again?
Use -TERM instead of -KILL, so it doesn't happen in the first place?
cheers,
Gerd
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