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Table of Contents
Craptrap - the home of virtualized workstations
Hardware
- FX8350
- R9 290
Features
- Windows 10
- Logowanie hasłem z LDAPa (pGina 3.2.4.0 + config, staff ma Administratora + patch na drive mapper żeby logowało się kerberosem…)
- Również via RDP
- Obsługuje S3 (“suspend to ram”), wybudzić można na http://iot.waw.hackerspace.pl
Issues & Solutions
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
''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
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.
Linux Guests with PCIe Passthrough
Use UEFI & Q35 platform model. (re https://forum.level1techs.com/t/fedora-28-pci-e-gpu-passthrough-linux-guest/127161/3)