What kernel are you running? 4.5 gave me audio crackle and none on 4.6. Also did the update you ran update the kernel?
On July 8, 2016 11:22:10 AM PDT, Ethan Thomas <thomas.et...@gmail.com> wrote: >After changing to host-passthrough at the suggestion of someone on >reddit, >everything was working pretty well, I was getting usable if not stellar >framerates in games, audio had the intermittent crackle, but was >generally >in sync. However I just allowed fedora core 23 to run its updates, >thinking >nothing of it, and since then my windows 10 guest VM is very stuttery >in >both audio, and framerate in games. It's even somewhat noticable in web >broswing. The audio also sometimes now has a weird echo which I >previously >only heard when trying to pass through the card. Unfortunately, as I >didnt >anticipate any trouble, I didn't pay attention to the previous or new >versions, but I know that it listed both system and virt-manager >updates. > >Any suggestions as to what to change would be welcome. The system is a >Dual >Westmere Xeon, the guest GPU (a Radeon 260x) is on the same node as the >CPUs which are pinned to it. The USB3 card is also on that node. All >other >PCI-E cards are on the other node. The only change I've made to the XML >since the update was to change the version of i440fx specified, which I >changed to match what a newly generated virt-manager VM had after the >problem started. > >Additionally, but unrelated I'd like to be able to hear guest audio >without >the virt-manager window open, and to remove the virtual video card, >however >when I remove the spice video in a bios mode VM the machine never >boots. >I'd appreciate any relevant suggestions there too, as ideally I want to >entirely drop spice. > > >XML follows: > ><domain type='kvm'> > <name>windows10</name> > <uuid>835693f3-f65c-4ced-b6c6-be41896621f3</uuid> > <memory unit='KiB'>16777216</memory> > <currentMemory unit='KiB'>16777216</currentMemory> > <vcpu placement='static' cpuset='4-7,12-15'>8</vcpu> > <os> > <type arch='x86_64' machine='pc-i440fx-2.6'>hvm</type> > </os> > <features> > <acpi/> > <apic/> > <pae/> > <hyperv> > <relaxed state='on'/> > <vapic state='on'/> > <spinlocks state='on' retries='8191'/> ></hyperv> ><vmport state='off'/> > </features> > <cpu mode='host-passthrough'> > <topology sockets='1' cores='4' threads='2'/> > </cpu> > <clock offset='localtime'> > <timer name='rtc' tickpolicy='catchup'/> > <timer name='pit' tickpolicy='delay'/> > <timer name='hpet' present='no'/> > <timer name='hypervclock' present='yes'/> > </clock> > <on_poweroff>destroy</on_poweroff> > <on_reboot>restart</on_reboot> > <on_crash>restart</on_crash> > <pm> > <suspend-to-mem enabled='no'/> > <suspend-to-disk enabled='no'/> > </pm> > <devices> > <emulator>/usr/bin/qemu-kvm</emulator> > <disk type='block' device='disk'> > <driver name='qemu' type='raw' cache='none' io='threads'/> > <source dev='/dev/guest_lvm/Windows7-clone'/> > <target dev='hda' bus='ide'/> > <boot order='2'/> > <address type='drive' controller='0' bus='0' target='0' unit='0'/> > </disk> > <disk type='file' device='cdrom'> > <driver name='qemu' type='raw'/> > <target dev='hdb' bus='ide'/> > <readonly/> > <boot order='1'/> > <address type='drive' controller='0' bus='0' target='0' unit='1'/> > </disk> > <controller type='usb' index='0' model='ich9-ehci1'> > <address type='pci' domain='0x0000' bus='0x00' slot='0x06' >function='0x7'/> > </controller> > <controller type='usb' index='0' model='ich9-uhci1'> > <master startport='0'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x06' >function='0x0' multifunction='on'/> > </controller> > <controller type='usb' index='0' model='ich9-uhci2'> > <master startport='2'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x06' >function='0x1'/> > </controller> > <controller type='usb' index='0' model='ich9-uhci3'> > <master startport='4'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x06' >function='0x2'/> > </controller> > <controller type='pci' index='0' model='pci-root'/> > <controller type='ide' index='0'> > <address type='pci' domain='0x0000' bus='0x00' slot='0x01' >function='0x1'/> > </controller> > <interface type='bridge'> > <mac address='52:54:00:6e:ac:99'/> > <source bridge='br0'/> > <model type='e1000'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x03' >function='0x0'/> > </interface> > <input type='mouse' bus='ps2'/> > <input type='keyboard' bus='ps2'/> > <graphics type='spice' autoport='yes'/> > <sound model='ich6'> > <address type='pci' domain='0x0000' bus='0x00' slot='0x04' >function='0x0'/> > </sound> > <video> > <model type='cirrus' vram='16384' heads='1' primary='yes'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x02' >function='0x0'/> > </video> > <hostdev mode='subsystem' type='pci' managed='yes'> > <source> > <address domain='0x0000' bus='0x84' slot='0x00' function='0x1'/> > </source> > <address type='pci' domain='0x0000' bus='0x00' slot='0x08' >function='0x0'/> > </hostdev> > <hostdev mode='subsystem' type='pci' managed='yes'> > <source> > <address domain='0x0000' bus='0x84' slot='0x00' function='0x0'/> > </source> > <address type='pci' domain='0x0000' bus='0x00' slot='0x05' >function='0x0'/> > </hostdev> > <hostdev mode='subsystem' type='pci' managed='yes'> > <source> > <address domain='0x0000' bus='0x83' slot='0x00' function='0x0'/> > </source> > <address type='pci' domain='0x0000' bus='0x00' slot='0x09' >function='0x0'/> > </hostdev> > <hostdev mode='subsystem' type='usb' managed='yes'> > <source> > <vendor id='0x0bda'/> > <product id='0x0151'/> > </source> > </hostdev> > <redirdev bus='usb' type='spicevmc'> > </redirdev> > <redirdev bus='usb' type='spicevmc'> > </redirdev> > <memballoon model='virtio'> > <address type='pci' domain='0x0000' bus='0x00' slot='0x07' >function='0x0'/> > </memballoon> > </devices> > </domain> > > >------------------------------------------------------------------------ > >_______________________________________________ >vfio-users mailing list >vfio-users@redhat.com >https://www.redhat.com/mailman/listinfo/vfio-users
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