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Craptrap - the home of virtualized workstations

Hardware

FX8350
R9 290

Windows 10

GPU code 43

Reinstall uninstall and reinstall GPU drivers

VM S3 (suspend/sleep) not available

Install qxldod drivers.

Slow suspend

Disable hibernation: powercfg /h off

My IO is too slow

Delet LVM snapshots...

''virsh dompm{suspend,wakeup}'' does not...

Install qemu agent and vioserial driver in guest

VM crashes when idle for some time

Well, disable screen blanking and autosuspend…

Audio on PulseAudio

https://wiki.archlinux.org/index.php/libvirt#PulseAudio

<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
 [...]
 <qemu:commandline>
   <qemu:env name='QEMU_AUDIO_DRV' value='pa'/>
   <qemu:env name='QEMU_PA_SERVER' value='sound.waw.hackerspace.pl'/>
 </qemu:commandline>
</domain>

Audio stutters

Change Default Format from 16bit 48kHz to 16bit 44.1kHz in emulated sound card properties in guest.

Shitty IO performance vol. 2

https://forums.servethehome.com/index.php?threads/performance-of-kvm-qemu-disks-on-zfs-volumes.12550/#post-119801

Everything's shit

Enable “HIGH PERFRORMANCE” power profile.

FreeBSD

11.1

Hypervisor configuration

Network: choose bridged. Bridge name: br0.

Hypervisor bug

There's a problem with the Opteron_G5 hypervisor, which is set by default.

The solution is to replace Opteron_G5 with kvm64 or Opteron_G3.

Also, there is an open bug report for this issue on FreeBSD Bugzilla .

Fixed in 12.0.

Warszawski Hackerspace

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