[vfio-users] Audio sync issues Windows 10
David Sutton
kantras at gmail.com
Wed Dec 21 04:26:47 UTC 2016
Brandon,
If you are using Arch and you are using the modules hook to mkinitcpio,
did you rebuild the initrd file to pick up the modprobe changes?
Regards,
David
On Dec 20, 2016 12:34 PM, "Brandon Ganem" <brandonganem at gmail.com> wrote:
Alright,
My memory and google-fu is failing me - I can't get the vfio-pci driver to
stop binding to the usb controllers. I've pulled them from my modprobe file.
On Tue, Dec 20, 2016 at 11:48 AM, Brandon Ganem <brandonganem at gmail.com>
wrote:
> Eddie,
> It's enabled in Windows with the registry trick - lspci is a nice test,
> when it isn't enabled for a device it'll show "Enabled-". Before I made the
> registry mod that was the output. Getting "Enabled+" should indicate it's
> enabled and working. Additionally I just double checked device manager.
> [image: Inline image 2]
>
> Versions:
> # uname -r
> 4.8.13-1-ARCH
> # # virsh version
> Compiled against library: libvirt 2.4.0
> Using library: libvirt 2.4.0
> Using API: QEMU 2.4.0
> Running hypervisor: QEMU 2.7.0
>
> I'll give your USB idea a go. It's nice being able to use USB ports as if
> they're owned by the VM but i'm willing to give that up if it means fixing
> audio sync issues.
>
> Thanks for the help so far!
>
> On Tue, Dec 20, 2016 at 11:12 AM, Eddie Yen <missile0407 at gmail.com> wrote:
>
>> No, I mean enable it on Windows 10 VM by modify registry.
>>
>> IME, it enable on Linux host, but Windows need to enable manually by edit
>> registry.
>> Some issues (like your case) may can be solved by this.
>>
>> Also, try to dismount USB controller, you can mount your USB device by
>> enable libusb on QEMU, and can you provide your QEMU and libvirt version?
>>
>> 2016-12-20 21:27 GMT+08:00 Brandon Ganem <brandonganem at gmail.com>:
>>
>>> MSI-X is enabled on the devices that support it (everything audio
>>> related, video card). The lspci was taken with the VM running and contains
>>> "enable+" so i think that means it's enabled and working.
>>>
>>> On Tue, Dec 20, 2016 at 12:46 AM, Eddie Yen <missile0407 at gmail.com>
>>> wrote:
>>>
>>>> Maybe it's a silly question but,
>>>>
>>>> Have you try add MSI-X support by modify registry on Windows 10 VM?
>>>>
>>>> 2016-12-20 13:06 GMT+08:00 Brandon Ganem <brandonganem at gmail.com>:
>>>>
>>>>> I'm not entirely sure what this tells me, but IRQ usage drops
>>>>> significantly (particularly on "LOC") when not playing back a video. Maybe
>>>>> somebody smarter than I am has a though.
>>>>> The poorly drawn yellow line is roughly when i stopped any video play
>>>>> back in this graph. Time scale is a 15 minute window from collectd's irq
>>>>> monitor.
>>>>> [image: Inline image 1]
>>>>>
>>>>> On Sun, Dec 18, 2016 at 10:33 PM, Brandon Ganem <
>>>>> brandonganem at gmail.com> wrote:
>>>>>
>>>>>> I'm passing through USB, but only a mic is on that for audio. 00:1b.0
>>>>>> (intel built in audio) and nvidia HDMI audio both have the issue.
>>>>>>
>>>>>> On Sat, Dec 17, 2016 at 3:58 PM, Zachary Boley <zboley00 at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> Doesn't look like it but are you passing a USB controller in for it?
>>>>>>> Can't really see how you're using audio
>>>>>>>
>>>>>>> On Dec 16, 2016 2:39 PM, "Brandon Ganem" <brandonganem at gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Hi all,
>>>>>>>> I've got a Windows 10 VM on top of arch linux. It appears that
>>>>>>>> after some period of time my audio / video loses sync for long running
>>>>>>>> videos (youtube for example). Switching audio devices in "sound options" in
>>>>>>>> windows causes the video to sync back up to the audio.
>>>>>>>>
>>>>>>>> The audio does not appear to be distorted, it's almost as if the
>>>>>>>> video slows down by a frame or two and over time that's enough to drop the
>>>>>>>> sync.
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Here's my XML:
>>>>>>>> <domain type='kvm' xmlns:qemu='http://libvirt.org
>>>>>>>> /schemas/domain/qemu/1.0'>
>>>>>>>> <name>win10_gaming_1</name>
>>>>>>>> <uuid>01bd2ed1-b465-4eba-b6e4-47c6ac8171c6</uuid>
>>>>>>>> <memory unit='KiB'>16777216</memory>
>>>>>>>> <currentMemory unit='KiB'>16777216</currentMemory>
>>>>>>>> <vcpu placement='static'>12</vcpu>
>>>>>>>> <iothreads>2</iothreads>
>>>>>>>> <iothreadids>
>>>>>>>> <iothread id='1'/>
>>>>>>>> <iothread id='2'/>
>>>>>>>> </iothreadids>
>>>>>>>> <cputune>
>>>>>>>> <vcpupin vcpu='0' cpuset='2'/>
>>>>>>>> <vcpupin vcpu='1' cpuset='3'/>
>>>>>>>> <vcpupin vcpu='2' cpuset='4'/>
>>>>>>>> <vcpupin vcpu='3' cpuset='5'/>
>>>>>>>> <vcpupin vcpu='4' cpuset='6'/>
>>>>>>>> <vcpupin vcpu='5' cpuset='7'/>
>>>>>>>> <vcpupin vcpu='6' cpuset='8'/>
>>>>>>>> <vcpupin vcpu='7' cpuset='9'/>
>>>>>>>> <vcpupin vcpu='8' cpuset='12'/>
>>>>>>>> <vcpupin vcpu='9' cpuset='13'/>
>>>>>>>> <vcpupin vcpu='10' cpuset='14'/>
>>>>>>>> <vcpupin vcpu='11' cpuset='15'/>
>>>>>>>> <emulatorpin cpuset='0-1'/>
>>>>>>>> <iothreadpin iothread='1' cpuset='0'/>
>>>>>>>> <iothreadpin iothread='2' cpuset='1'/>
>>>>>>>> <iothreadsched iothreads='2' scheduler='batch'/>
>>>>>>>> </cputune>
>>>>>>>> <os>
>>>>>>>> <type arch='x86_64' machine='pc-i440fx-2.5'>hvm</type>
>>>>>>>> <loader readonly='yes' type='pflash'>/usr/share/edk2.
>>>>>>>> git/ovmf-x64/OVMF_CODE-pure-efi.fd</loader>
>>>>>>>> <nvram template='/usr/share/edk2.git/
>>>>>>>> ovmf-x64/OVMF_VARS-pure-efi.fd'>/var/lib/libvirt/qemu/nvram/
>>>>>>>> win10_gaming_1_VARS.fd</nvram>
>>>>>>>> <boot dev='hd'/>
>>>>>>>> </os>
>>>>>>>> <features>
>>>>>>>> <acpi/>
>>>>>>>> <hyperv>
>>>>>>>> <relaxed state='off'/>
>>>>>>>> <vapic state='off'/>
>>>>>>>> <spinlocks state='off'/>
>>>>>>>> </hyperv>
>>>>>>>> <kvm>
>>>>>>>> <hidden state='on'/>
>>>>>>>> </kvm>
>>>>>>>> </features>
>>>>>>>> <cpu mode='host-passthrough'>
>>>>>>>> <topology sockets='1' cores='6' threads='2'/>
>>>>>>>> </cpu>
>>>>>>>> <clock offset='localtime'>
>>>>>>>> <timer name='hypervclock' present='no'/>
>>>>>>>> </clock>
>>>>>>>> <on_poweroff>destroy</on_poweroff>
>>>>>>>> <on_reboot>restart</on_reboot>
>>>>>>>> <on_crash>destroy</on_crash>
>>>>>>>> <devices>
>>>>>>>> <emulator>/usr/sbin/qemu-system-x86_64</emulator>
>>>>>>>> <disk type='file' device='disk'>
>>>>>>>> <driver name='qemu' type='raw' cache='writethrough'/>
>>>>>>>> <source file='/flash/win_gaming_1.img'/>
>>>>>>>> <target dev='vda' bus='virtio'/>
>>>>>>>> <address type='pci' domain='0x0000' bus='0x00' slot='0x09'
>>>>>>>> function='0x0'/>
>>>>>>>> </disk>
>>>>>>>> <disk type='file' device='disk'>
>>>>>>>> <driver name='qemu' type='raw' cache='writethrough'/>
>>>>>>>> <source file='/vmstore/steam/gaming_1/steam_library.img'/>
>>>>>>>> <target dev='vdb' bus='virtio'/>
>>>>>>>> <address type='pci' domain='0x0000' bus='0x00' slot='0x0a'
>>>>>>>> function='0x0'/>
>>>>>>>> </disk>
>>>>>>>> <controller type='pci' index='0' model='pci-root'/>
>>>>>>>> <controller type='virtio-serial' index='0'>
>>>>>>>> <address type='pci' domain='0x0000' bus='0x00' slot='0x04'
>>>>>>>> function='0x0'/>
>>>>>>>> </controller>
>>>>>>>> <controller type='usb' index='0' model='piix3-uhci'>
>>>>>>>> <address type='pci' domain='0x0000' bus='0x00' slot='0x01'
>>>>>>>> function='0x2'/>
>>>>>>>> </controller>
>>>>>>>> <interface type='bridge'>
>>>>>>>> <mac address='52:54:00:a0:41:92'/>
>>>>>>>> <source bridge='br0'/>
>>>>>>>> <model type='virtio'/>
>>>>>>>> <rom bar='off'/>
>>>>>>>> <address type='pci' domain='0x0000' bus='0x00' slot='0x02'
>>>>>>>> function='0x0'/>
>>>>>>>> </interface>
>>>>>>>> <input type='mouse' bus='ps2'/>
>>>>>>>> <input type='keyboard' bus='ps2'/>
>>>>>>>> <memballoon model='virtio'>
>>>>>>>> <address type='pci' domain='0x0000' bus='0x00' slot='0x07'
>>>>>>>> function='0x0'/>
>>>>>>>> </memballoon>
>>>>>>>> </devices>
>>>>>>>> <qemu:commandline>
>>>>>>>> <qemu:arg value='-device'/>
>>>>>>>> <qemu:arg value='ioh3420,bus=pci.0,addr=
>>>>>>>> 1c.0,multifunction=on,port=1,chassis=1,id=root.1'/>
>>>>>>>> <qemu:arg value='-device'/>
>>>>>>>> <qemu:arg value='vfio-pci,host=02:00.0,b
>>>>>>>> us=root.1,addr=00.0,multifunction=on,x-vga=on'/>
>>>>>>>> <qemu:arg value='-device'/>
>>>>>>>> <qemu:arg value='vfio-pci,host=02:00.1,b
>>>>>>>> us=root.1,addr=00.1,multifunction=on'/>
>>>>>>>> <qemu:arg value='-device'/>
>>>>>>>> <qemu:arg value='vfio-pci,host=00:14.0,b
>>>>>>>> us=root.1,addr=00.2,multifunction=on'/>
>>>>>>>> <qemu:arg value='-device'/>
>>>>>>>> <qemu:arg value='vfio-pci,host=00:1a.0,b
>>>>>>>> us=root.1,addr=00.3,multifunction=on'/>
>>>>>>>> <qemu:arg value='-device'/>
>>>>>>>> <qemu:arg value='vfio-pci,host=00:1b.0,b
>>>>>>>> us=root.1,addr=00.4,multifunction=on'/>
>>>>>>>> </qemu:commandline>
>>>>>>>> </domain>
>>>>>>>>
>>>>>>>>
>>>>>>>> LSPCI:
>>>>>>>> 02:00.0 VGA compatible controller: NVIDIA Corporation GM206
>>>>>>>> [GeForce GTX 960] (rev a1) (prog-if 00 [VGA controller])
>>>>>>>> Subsystem: Micro-Star International Co., Ltd. [MSI] Device
>>>>>>>> 3202
>>>>>>>> Physical Slot: 4
>>>>>>>> Flags: bus master, fast devsel, latency 0, IRQ 26, NUMA
>>>>>>>> node 0
>>>>>>>> Memory at fa000000 (32-bit, non-prefetchable) [size=16M]
>>>>>>>> Memory at c0000000 (64-bit, prefetchable) [size=256M]
>>>>>>>> Memory at d0000000 (64-bit, prefetchable) [size=32M]
>>>>>>>> I/O ports at e000 [size=128]
>>>>>>>> Expansion ROM at fb000000 [disabled] [size=512K]
>>>>>>>> Capabilities: [60] Power Management version 3
>>>>>>>> Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
>>>>>>>> Capabilities: [78] Express Legacy Endpoint, MSI 00
>>>>>>>> Capabilities: [100] Virtual Channel
>>>>>>>> Capabilities: [258] L1 PM Substates
>>>>>>>> Capabilities: [128] Power Budgeting <?>
>>>>>>>> Capabilities: [420] Advanced Error Reporting
>>>>>>>> Capabilities: [600] Vendor Specific Information: ID=0001
>>>>>>>> Rev=1 Len=024 <?>
>>>>>>>> Capabilities: [900] #19
>>>>>>>> Kernel driver in use: vfio-pci
>>>>>>>> Kernel modules: nouveau
>>>>>>>>
>>>>>>>> 02:00.1 Audio device: NVIDIA Corporation Device 0fba (rev a1)
>>>>>>>> Subsystem: Micro-Star International Co., Ltd. [MSI] Device
>>>>>>>> 3202
>>>>>>>> Physical Slot: 4
>>>>>>>> Flags: bus master, fast devsel, latency 0, IRQ 51, NUMA
>>>>>>>> node 0
>>>>>>>> Memory at fb080000 (32-bit, non-prefetchable) [size=16K]
>>>>>>>> Capabilities: [60] Power Management version 3
>>>>>>>> Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
>>>>>>>> Capabilities: [78] Express Endpoint, MSI 00
>>>>>>>> Kernel driver in use: vfio-pci
>>>>>>>> Kernel modules: snd_hda_intel
>>>>>>>>
>>>>>>>> 00:1b.0 Audio device: Intel Corporation C610/X99 series chipset HD
>>>>>>>> Audio Controller (rev 05)
>>>>>>>> Subsystem: ASRock Incorporation Device 1151
>>>>>>>> Flags: bus master, fast devsel, latency 0, IRQ 22, NUMA
>>>>>>>> node 0
>>>>>>>> Memory at fb330000 (64-bit, non-prefetchable) [size=16K]
>>>>>>>> Capabilities: [50] Power Management version 2
>>>>>>>> Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
>>>>>>>> Capabilities: [70] Express Root Complex Integrated
>>>>>>>> Endpoint, MSI 00
>>>>>>>> Capabilities: [100] Virtual Channel
>>>>>>>> Kernel driver in use: vfio-pci
>>>>>>>> Kernel modules: snd_hda_intel
>>>>>>>>
>>>>>>>> 00:1d.0 USB controller: Intel Corporation C610/X99 series chipset
>>>>>>>> USB Enhanced Host Controller #1 (rev 05) (prog-if 20 [EHCI])
>>>>>>>> Subsystem: ASRock Incorporation Device 8d26
>>>>>>>> Flags: medium devsel, IRQ 18, NUMA node 0
>>>>>>>> Memory at fb337000 (32-bit, non-prefetchable) [size=1K]
>>>>>>>> Capabilities: [50] Power Management version 2
>>>>>>>> Capabilities: [58] Debug port: BAR=1 offset=00a0
>>>>>>>> Capabilities: [98] PCI Advanced Features
>>>>>>>> Kernel driver in use: vfio-pci
>>>>>>>> Kernel modules: ehci_pci
>>>>>>>>
>>>>>>>> 00:1a.0 USB controller: Intel Corporation C610/X99 series chipset
>>>>>>>> USB Enhanced Host Controller #2 (rev 05) (prog-if 20 [EHCI])
>>>>>>>> Subsystem: ASRock Incorporation Device 8d2d
>>>>>>>> Flags: bus master, medium devsel, latency 0, IRQ 18, NUMA
>>>>>>>> node 0
>>>>>>>> Memory at fb338000 (32-bit, non-prefetchable) [size=1K]
>>>>>>>> Capabilities: [50] Power Management version 2
>>>>>>>> Capabilities: [58] Debug port: BAR=1 offset=00a0
>>>>>>>> Capabilities: [98] PCI Advanced Features
>>>>>>>> Kernel driver in use: vfio-pci
>>>>>>>> Kernel modules: ehci_pci
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> vfio-users mailing list
>>>>>>>> vfio-users at redhat.com
>>>>>>>> https://www.redhat.com/mailman/listinfo/vfio-users
>>>>>>>>
>>>>>>>>
>>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> vfio-users mailing list
>>>>> vfio-users at redhat.com
>>>>> https://www.redhat.com/mailman/listinfo/vfio-users
>>>>>
>>>>>
>>>>
>>>
>>
>
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