[fedora-virt] USB devices get reset a few seconds after attaching them to guest and then get binded to host
Stewart Adam
maillist at diffingo.com
Fri Jan 3 00:39:44 UTC 2014
On 2013-12-30 11:33 AM, Richard W.M. Jones wrote:
> On Mon, Dec 30, 2013 at 11:03:23AM -0500, Stewart Adam wrote:
>> I'm using libvirt & virt-manager as well as 'virsh attach-device'
>> from the command line, so if I am not mistaken this is QEMU's host
>> USB passthrough.
>
> Once you get back to using just USB passthrough it's helpful to dump
> out the entire domain XML, ie:
>
> sudo virsh dumpxml the_guest
>
> Also the full qemu command line. Look for a file called
> /var/log/libvirt/qemu/the_guest.log or $HOME/.cache/libvirt/qemu/log/the_guest.log.
>
> In both cases send the complete XML and complete command line to the
> list.
>
> Rich.
>
Hi Rich,
Included below is the information requested. The command-line options are
not typical of a VM generated using virt-manager since I am running VFIO
with VGA passthrough, so I had to customize the QEMU arguments a bit as well
as use Q35 machine type.
###
### Domain XML dump
###
<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
<name>windows7</name>
<uuid>07478ac0-6a99-11e3-8266-00259086c7d9</uuid>
<memory unit='KiB'>6291456</memory>
<currentMemory unit='KiB'>6291456</currentMemory>
<memoryBacking>
<nosharepages/>
<locked/>
</memoryBacking>
<vcpu placement='static'>6</vcpu>
<cputune>
<vcpupin vcpu='0' cpuset='1,5'/>
<vcpupin vcpu='1' cpuset='2,6'/>
<vcpupin vcpu='2' cpuset='3,7'/>
<vcpupin vcpu='3' cpuset='1,5'/>
<vcpupin vcpu='4' cpuset='2,6'/>
<vcpupin vcpu='5' cpuset='3,7'/>
</cputune>
<resource>
<partition>/machine</partition>
</resource>
<os>
<type arch='x86_64' machine='pc-q35-1.5'>hvm</type>
<boot dev='hd'/>
<smbios mode='host'/>
</os>
<features>
<acpi/>
<apic/>
</features>
<cpu mode='custom' match='exact'>
<model fallback='allow'>Haswell</model>
<vendor>Intel</vendor>
<topology sockets='1' cores='3' threads='2'/>
<feature policy='require' name='abm'/>
<feature policy='require' name='pdpe1gb'/>
<feature policy='require' name='rdrand'/>
<feature policy='require' name='f16c'/>
<feature policy='require' name='osxsave'/>
<feature policy='require' name='pdcm'/>
<feature policy='require' name='xtpr'/>
<feature policy='require' name='tm2'/>
<feature policy='require' name='est'/>
<feature policy='require' name='smx'/>
<feature policy='require' name='vmx'/>
<feature policy='require' name='ds_cpl'/>
<feature policy='require' name='monitor'/>
<feature policy='require' name='dtes64'/>
<feature policy='require' name='pbe'/>
<feature policy='require' name='tm'/>
<feature policy='require' name='ht'/>
<feature policy='require' name='ss'/>
<feature policy='require' name='acpi'/>
<feature policy='require' name='ds'/>
<feature policy='require' name='vme'/>
</cpu>
<clock offset='localtime'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/bin/qemu-kvm</emulator>
<disk type='block' device='cdrom'>
<driver name='qemu' type='raw'/>
<target dev='sdb' bus='sata'/>
<readonly/>
<address type='drive' controller='0' bus='0' target='0' unit='1'/>
</disk>
<disk type='block' device='disk'>
<driver name='qemu' type='raw' cache='none' io='native'/>
<source dev='/dev/fedora/windows'/>
<target dev='vda' bus='virtio'/>
<address type='pci' domain='0x0000' bus='0x02' slot='0x03'
function='0x0'/>
</disk>
<disk type='file' device='disk'>
<driver name='qemu' type='raw'/>
<source file='/data/vm/windows-storage.img'/>
<target dev='vdb' bus='virtio'/>
<address type='pci' domain='0x0000' bus='0x02' slot='0x04'
function='0x0'/>
</disk>
<controller type='sata' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x1f'
function='0x2'/>
</controller>
<controller type='pci' index='0' model='pcie-root'/>
<controller type='pci' index='1' model='dmi-to-pci-bridge'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02'
function='0x0'/>
</controller>
<controller type='pci' index='2' model='pci-bridge'>
<address type='pci' domain='0x0000' bus='0x01' slot='0x01'
function='0x0'/>
</controller>
<controller type='usb' index='0' model='ich9-ehci1'>
<address type='pci' domain='0x0000' bus='0x02' slot='0x01'
function='0x7'/>
</controller>
<controller type='usb' index='0' model='ich9-uhci1'>
<master startport='0'/>
<address type='pci' domain='0x0000' bus='0x02' slot='0x01'
function='0x0' multifunction='on'/>
</controller>
<controller type='usb' index='0' model='ich9-uhci2'>
<master startport='2'/>
<address type='pci' domain='0x0000' bus='0x02' slot='0x01'
function='0x1'/>
</controller>
<controller type='usb' index='0' model='ich9-uhci3'>
<master startport='4'/>
<address type='pci' domain='0x0000' bus='0x02' slot='0x01'
function='0x2'/>
</controller>
<interface type='network'>
<mac address='52:54:00:e3:f9:47'/>
<source network='default'/>
<model type='rtl8139'/>
<rom bar='off'/>
<address type='pci' domain='0x0000' bus='0x02' slot='0x02'
function='0x0'/>
</interface>
<hostdev mode='subsystem' type='usb' managed='yes'>
<source>
<vendor id='0x046d'/>
<product id='0xc066'/>
</source>
</hostdev>
<hostdev mode='subsystem' type='usb' managed='yes'>
<source>
<vendor id='0x1532'/>
<product id='0x010d'/>
</source>
</hostdev>
<memballoon model='virtio'>
<address type='pci' domain='0x0000' bus='0x02' slot='0x05'
function='0x0'/>
</memballoon>
</devices>
<qemu:commandline>
<qemu:arg value='-device'/>
<qemu:arg
value='ioh3420,bus=pcie.0,addr=1c.0,multifunction=on,port=1,chassis=1,id=root.1'/>
<qemu:arg value='-device'/>
<qemu:arg
value='vfio-pci,host=01:00.0,bus=root.1,addr=00.0,multifunction=on,x-vga=on'/>
<qemu:arg value='-device'/>
<qemu:arg value='vfio-pci,host=01:00.1,bus=pcie.0'/>
<qemu:arg value='-device'/>
<qemu:arg value='vfio-pci,host=00:19.0,bus=pcie.0'/>
<qemu:arg value='-device'/>
<qemu:arg value='vfio-pci,host=00:1b.0,bus=pcie.0'/>
<qemu:arg value='-bios'/>
<qemu:arg value='/usr/share/qemu/bios.bin'/>
</qemu:commandline>
</domain>
###
### Command-line
###
LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
QEMU_AUDIO_DRV=none /usr/bin/qemu-kvm -name windows7 -S -machine
pc-q35-1.5,accel=kvm,usb=off,mem-merge=off -cpu
Haswell,+abm,+pdpe1gb,+rdrand,+f16c,+osxsave,+pdcm,+xtpr,+tm2,+est,+smx,+vmx,+ds_cpl,+monitor,+dtes64,+pbe,+tm,+ht,+ss,+acpi,+ds,+vme
-m 6144 -realtime mlock=on -smp 6,sockets=1,cores=3,threads=2 -uuid
07478ac0-6a99-11e3-8266-00259086c7d9 -smbios type=0,vendor=American
Megatrends Inc.,version=1.1,date=08/13/2013,release=4.6 -smbios
type=1,manufacturer=Supermicro,product=X10SAE,version=0123456789,serial=0123456789,sku=To
be filled by O.E.M.,family=To be filled by O.E.M. -nographic -no-user-config
-nodefaults -chardev
socket,id=charmonitor,path=/var/lib/libvirt/qemu/windows7.monitor,server,nowait
-mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime
-no-shutdown -device i82801b11-bridge,id=pci.1,bus=pcie.0,addr=0x2 -device
pci-bridge,chassis_nr=2,id=pci.2,bus=pci.1,addr=0x1 -device
ich9-usb-ehci1,id=usb,bus=pci.2,addr=0x1.0x7 -device
ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.2,multifunction=on,addr=0x1
-device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.2,addr=0x1.0x1
-device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.2,addr=0x1.0x2
-drive if=none,media=cdrom,id=drive-sata0-0-1,readonly=on,format=raw -device
ide-cd,bus=ide.1,drive=drive-sata0-0-1,id=sata0-0-1 -drive
file=/dev/fedora/windows,if=none,id=drive-virtio-disk0,format=raw,cache=none,aio=native
-device
virtio-blk-pci,scsi=off,bus=pci.2,addr=0x3,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1
-drive
file=/data/vm/windows-storage.img,if=none,id=drive-virtio-disk1,format=raw
-device
virtio-blk-pci,scsi=off,bus=pci.2,addr=0x4,drive=drive-virtio-disk1,id=virtio-disk1
-netdev tap,fd=23,id=hostnet0 -device
rtl8139,netdev=hostnet0,id=net0,mac=52:54:00:e3:f9:47,bus=pci.2,addr=0x2,rombar=0
-device usb-host,hostbus=3,hostaddr=2,id=hostdev0 -device
usb-host,hostbus=3,hostaddr=4,id=hostdev1 -device
virtio-balloon-pci,id=balloon0,bus=pci.2,addr=0x5 -device
ioh3420,bus=pcie.0,addr=1c.0,multifunction=on,port=1,chassis=1,id=root.1
-device vfio-pci,host=01:00.0,bus=root.1,addr=00.0,multifunction=on,x-vga=on
-device vfio-pci,host=01:00.1,bus=pcie.0 -device
vfio-pci,host=00:19.0,bus=pcie.0 -device vfio-pci,host=00:1b.0,bus=pcie.0
-bios /usr/share/qemu/bios.bin
Regards,
Stewart
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