zeus83
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zeus83's post in Low GPU gaming performance in VM was marked as the answerHi, first add this to your vm configuration:
<timer name='tsc' present='yes' mode='native'/>
On my gaming VM important sections look like this. Don't ask me why it is so. I've spent years of making a perfect gaming VM 🙂
<features> <acpi/> <apic/> <hyperv mode='custom'> <relaxed state='on'/> <vapic state='on'/> <spinlocks state='on' retries='8191'/> <vpindex state='on'/> <synic state='on'/> <stimer state='on'/> <reset state='on'/> <vendor_id state='on' value='1234567890ab'/> <frequencies state='on'/> </hyperv> <kvm> <hidden state='on'/> </kvm> <vmport state='off'/> <ioapic driver='kvm'/> </features> <cpu mode='host-passthrough' check='none' migratable='off'> <topology sockets='1' dies='1' cores='8' threads='2'/> <cache mode='passthrough'/> </cpu> <clock offset='localtime'> <timer name='hypervclock' present='yes'/> <timer name='hpet' present='no'/> <timer name='tsc' present='yes' mode='native'/> </clock> Also check tsc time is working correctly on host:
Check your system log and if you see something like:
x86/split lock detection: #AC: CPU 0/KVM/17187 took a split_lock trap at address: 0xfffff80556c4f75d Then try solution from here:
