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[Qemu-devel] [Bug 1791947] Re: isochronous usb device forwarding with wi


From: Florian Kaiser
Subject: [Qemu-devel] [Bug 1791947] Re: isochronous usb device forwarding with windows 10 and xhci freezes
Date: Mon, 17 Sep 2018 09:15:04 -0000

I tried it again today with qemu master: 
19b599f7664b2ebfd0f405fb79c14dd241557452
Unfortunately it did not work better than with qemu 2.11.2

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https://bugs.launchpad.net/bugs/1791947

Title:
  isochronous usb device forwarding with windows 10 and xhci freezes

Status in QEMU:
  New

Bug description:
  When I try to forward isochronous usb devices (webcam, HID-Audio) via 
usbredir into the VM, the devices work for a few minutes then the device stops 
working and stays that way until a VM reboot or a windows driver reload.
  It does not matter if I use qemu-xhci or nec-xhci.
  I can gather more information, if its helpful!

  Windows build:
  windows 10 pro 1803 jun 2018

  Linux Version:
  Fedora 28
  $ uname -a
  Linux 4.17.19-200.fc28.x86_64 #1 SMP Fri Aug 24 15:47:41 UTC 2018 x86_64 
x86_64 x86_64 GNU/Linux

  Qemu Version:
  $ qemu-system-x86_64 -version
  QEMU emulator version 2.11.2(qemu-2.11.2-2.fc28)
  Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers

  Qemu command line:
  /usr/bin/qemu-system-x86_64 -machine accel=kvm -name 
guest=win10,debug-threads=on -S -object 
secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain-1-win10/master-key.aes
 -machine pc-q35-2.11,accel=kvm,usb=off,vmport=off,dump-guest-core=off -cpu 
Skylake-Client-IBRS,ss=on,hypervisor=on,tsc_adjust=on,clflushopt=on,ssbd=on,xsaves=on,pdpe1gb=on,hv_time,hv_relaxed,hv_vapic,hv_spinlocks=0x1fff
 -m 8192 -realtime mlock=off -smp 4,sockets=4,cores=1,threads=1 -uuid 
38b1258e-fea4-41fe-9e21-07c426c5b2b2 -no-user-config -nodefaults -chardev 
socket,id=charmonitor,path=/var/lib/libvirt/qemu/domain-1-win10/monitor.sock,server,nowait
 -mon chardev=charmonitor,id=monitor,mode=control -rtc 
base=localtime,driftfix=slew -global kvm-pit.lost_tick_policy=delay -no-hpet 
-no-shutdown -global ICH9-LPC.disable_s3=1 -global ICH9-LPC.disable_s4=1 -boot 
strict=on -device i82801b11-bridge,id=pci.1,bus=pcie.0,addr=0x1e -device 
pci-bridge,chassis_nr=2,id=pci.2,bus=pci.1,addr=0x0 -device 
pcie-root-port,port=0x10,chassis=3,id=pci.3,bus=pcie.0,multifunction=on,addr=0x2
 -device pcie-root-port,port=0x11,chassis=4,id=pci.4,bus=pcie.0,addr=0x2.0x1 
-device pcie-root-port,port=0x12,chassis=5,id=pci.5,bus=pcie.0,addr=0x2.0x2 
-device pcie-root-port,port=0x13,chassis=6,id=pci.6,bus=pcie.0,addr=0x2.0x3 
-device qemu-xhci,id=usb,bus=pci.3,addr=0x0 -device 
virtio-serial-pci,id=virtio-serial0,bus=pci.4,addr=0x0 -drive 
file=/var/lib/libvirt/images/win10.qcow2,format=qcow2,if=none,id=drive-sata0-0-0
 -device ide-hd,bus=ide.0,drive=drive-sata0-0-0,id=sata0-0-0,bootindex=1 -drive 
file=/var/lib/libvirt/images/en_windows_10_multiple_editions_version_1803_jun_2018.iso,format=raw,if=none,id=drive-sata0-0-1,media=cdrom,readonly=on
 -device ide-cd,bus=ide.1,drive=drive-sata0-0-1,id=sata0-0-1 -netdev 
tap,fd=25,id=hostnet0 -device 
e1000,netdev=hostnet0,id=net0,mac=52:54:00:ab:33:11,bus=pci.2,addr=0x1 -chardev 
pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -chardev 
spicevmc,id=charchannel0,name=vdagent -device 
virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.spice.0
 -device usb-tablet,id=input0,bus=usb.0,port=1 -spice 
port=5900,addr=127.0.0.1,disable-ticketing,image-compression=off,seamless-migration=on
 -device 
qxl-vga,id=video0,ram_size=67108864,vram_size=67108864,vram64_size_mb=0,vgamem_mb=16,max_outputs=1,bus=pcie.0,addr=0x1
 -chardev spicevmc,id=charredir0,name=usbredir -device 
usb-redir,chardev=charredir0,id=redir0,bus=usb.0,port=2 -chardev 
spicevmc,id=charredir1,name=usbredir -device 
usb-redir,chardev=charredir1,id=redir1,bus=usb.0,port=3 -device 
virtio-balloon-pci,id=balloon0,bus=pci.5,addr=0x0 -msg timestamp=on

  Cheers,
  Florian

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