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disable hyper-v enlightment when xvga is enabled

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Geforce drivers (> 344.11) crash with code43 error if they detect hyper-v enlighment with pci passtthrough
http://awilliam.github.io/presentations/KVM-Forum-2014/#/5/3

Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
This commit is contained in:
Alexandre Derumier 2016-01-03 19:05:31 +01:00 committed by Dietmar Maurer
parent 9e0a6c9f5e
commit 2315b39c8a
1 changed files with 7 additions and 5 deletions
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12
PVE/QemuServer.pm
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@ -2758,6 +2758,7 @@ sub config_to_command {
push @$devices, '-device', print_tabletdevice_full($conf) if $tablet;
my $nohyperv;
# host pci devices
for (my $i = 0; $i < $MAX_HOSTPCI_DEVICES; $i++) {
my $d = parse_hostpci($conf->{"hostpci$i"});
@ -2776,6 +2777,7 @@ sub config_to_command {
if ($xvga && $xvga ne '') {
push @$cpuFlags, 'kvm=off';
$vga = 'none';
$nohyperv = 1;
}
my $pcidevices = $d->{pciid};
my $multifunction = 1 if @$pcidevices > 1;
@ -2902,17 +2904,17 @@ sub config_to_command {
push @$globalFlags, 'kvm-pit.lost_tick_policy=discard';
push @$cmd, '-no-hpet';
if (qemu_machine_feature_enabled ($machine_type, $kvmver, 2, 3)) {
push @$cpuFlags , 'hv_spinlocks=0x1fff' if !$nokvm;
push @$cpuFlags , 'hv_vapic' if !$nokvm;
push @$cpuFlags , 'hv_time' if !$nokvm;
push @$cpuFlags , 'hv_spinlocks=0x1fff' if !$nokvm && !$nohyperv;
push @$cpuFlags , 'hv_vapic' if !$nokvm && !$nohyperv;
push @$cpuFlags , 'hv_time' if !$nokvm && !$nohyperv;
} else {
push @$cpuFlags , 'hv_spinlocks=0xffff' if !$nokvm;
push @$cpuFlags , 'hv_spinlocks=0xffff' if !$nokvm && !$nohyperv;
}
}
if ($ost eq 'win7' || $ost eq 'win8') {
push @$cpuFlags , 'hv_relaxed' if !$nokvm;
push @$cpuFlags , 'hv_relaxed' if !$nokvm && !$nohyperv;
}
}