Public bug reported:
I'm trying to passthrough my USB Disk "Samsung Portable SSD T5" which is
USB 3.0 Device. But I've connected it to USB 3.1 Port.
Controller configuration:
<controller type="usb" index="0" model="qemu-xhci" ports="15">
<address type="pci" domain="0x0000" bus="0x00" slot="0x04" function="0x0"/>
</controller>
Device configuration:
<hostdev mode="subsystem" type="usb" managed="yes">
<source>
<vendor id="0x04e8"/>
<product id="0x61f5"/>
</source>
<address type="usb" bus="0" port="4"/>
</hostdev>
lsusb
Bus 002 Device 006: ID 04e8:61f5 Samsung Electronics Co., Ltd Portable SSD T5
lsusb --tree
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/10p, 10000M
|__ Port 1: Dev 6, If 0, Class=Mass Storage, Driver=uas, 10000M
lsusb -v -d 04e8:61f5
Bus 002 Device 006: ID 04e8:61f5 Samsung Electronics Co., Ltd Portable SSD T5
Couldn't open device, some information will be missing
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 3.10
bDeviceClass 0
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 9
idVendor 0x04e8 Samsung Electronics Co., Ltd
idProduct 0x61f5 Portable SSD T5
Error starting domain: internal error: qemu unexpectedly closed the monitor:
2020-01-05T08:31:16.434028Z qemu-system-x86_64: -device
usb-host,hostbus=2,hostaddr=6,id=hostdev4,bus=usb.0,port=4: Warning: speed
mismatch trying to attach usb device "Portable SSD T5" (unknown speed) to bus
"usb.0", port "4" (full+high+super speed)
2020-01-05T08:31:16.593173Z qemu-system-x86_64: -device
usb-host,hostbus=2,hostaddr=6,id=hostdev4,bus=usb.0,port=4: failed to open host
usb device 2:6
** Affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1858319
Title:
libvirt usb 3.1
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