Re: [Qemu-devel] one issue about usb passsthrough devices

2018-11-04 Thread gerd hoffmann
On Thu, Nov 01, 2018 at 01:57:15AM +, 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

[Qemu-devel] one issue about usb passsthrough devices

2018-10-31 Thread linzhecheng
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. How can we recover e