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[Qemu-devel] [Bug 1385934] [NEW] USB with passthrougth guest cannot enum
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From: |
montjoie |
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Subject: |
[Qemu-devel] [Bug 1385934] [NEW] USB with passthrougth guest cannot enumerate USB host |
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Date: |
Sun, 26 Oct 2014 18:28:10 -0000 |
Public bug reported:
Following the guide at
http://www.linux-kvm.org/page/USB_Host_Device_Assigned_to_Guest
Qemu is launched with qemu-system-x86_64 /dev/vgstripe/kvm_wifi -enable-kvm -m
512 -k fr -net nic -net tap,ifname=tap1,script=/bin/ifup.script -kernel
/usr/src/linux_git/arch/x86_64/boot/bzImage -append root=/dev/sda -usb -device
usb-host,hostbus=1,hostaddr=6
The USB device does not show and USB stack seems not working
On the guest:
dmesg |grep -i usb
[ 1.416966] hub 1-0:1.0: USB hub found
[ 1.420431] usbcore: registered new interface driver usb-storage
[ 1.445374] usbcore: registered new interface driver usbhid
[ 1.446839] usbhid: USB HID core driver
[ 1.863226] usb 1-1: new low-speed USB device number 2 using uhci_hcd
[ 2.126173] usb 1-1: Invalid ep0 maxpacket: 64
[ 2.373161] usb 1-1: new low-speed USB device number 3 using uhci_hcd
[ 2.648112] usb 1-1: Invalid ep0 maxpacket: 64
[ 2.892404] usb 1-1: new low-speed USB device number 4 using uhci_hcd
[ 2.913001] usb 1-1: Invalid ep0 maxpacket: 64
[ 3.161367] usb 1-1: new low-speed USB device number 5 using uhci_hcd
[ 3.180070] usb 1-1: Invalid ep0 maxpacket: 64
[ 3.181633] usb usb1-port1: unable to enumerate USB device
lsusb
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
On the host:
lsusb
Bus 001 Device 006: ID 0457:0163 Silicon Integrated Systems Corp. SiS163U
802.11 Wireless LAN Adapter
qemu-system-x86_64 --version
QEMU emulator version 2.1.2, Copyright (c) 2003-2008 Fabrice Bellard
** Affects: qemu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1385934
Title:
USB with passthrougth guest cannot enumerate USB host
Status in QEMU:
New
Bug description:
Following the guide at
http://www.linux-kvm.org/page/USB_Host_Device_Assigned_to_Guest
Qemu is launched with qemu-system-x86_64 /dev/vgstripe/kvm_wifi -enable-kvm
-m 512 -k fr -net nic -net tap,ifname=tap1,script=/bin/ifup.script -kernel
/usr/src/linux_git/arch/x86_64/boot/bzImage -append root=/dev/sda -usb -device
usb-host,hostbus=1,hostaddr=6
The USB device does not show and USB stack seems not working
On the guest:
dmesg |grep -i usb
[ 1.416966] hub 1-0:1.0: USB hub found
[ 1.420431] usbcore: registered new interface driver usb-storage
[ 1.445374] usbcore: registered new interface driver usbhid
[ 1.446839] usbhid: USB HID core driver
[ 1.863226] usb 1-1: new low-speed USB device number 2 using uhci_hcd
[ 2.126173] usb 1-1: Invalid ep0 maxpacket: 64
[ 2.373161] usb 1-1: new low-speed USB device number 3 using uhci_hcd
[ 2.648112] usb 1-1: Invalid ep0 maxpacket: 64
[ 2.892404] usb 1-1: new low-speed USB device number 4 using uhci_hcd
[ 2.913001] usb 1-1: Invalid ep0 maxpacket: 64
[ 3.161367] usb 1-1: new low-speed USB device number 5 using uhci_hcd
[ 3.180070] usb 1-1: Invalid ep0 maxpacket: 64
[ 3.181633] usb usb1-port1: unable to enumerate USB device
lsusb
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
On the host:
lsusb
Bus 001 Device 006: ID 0457:0163 Silicon Integrated Systems Corp. SiS163U
802.11 Wireless LAN Adapter
qemu-system-x86_64 --version
QEMU emulator version 2.1.2, Copyright (c) 2003-2008 Fabrice Bellard
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