[pve-devel] [PATCH qemu-server v2 3/3] Fix #1125. Check for KVM support before starting VM

[Philip Abernethy]

Moved the check to the beginning of the function.
VMs configured to use KVM won't start if KVM is not available.
VMs not configured to use KVM will start regardless.
---
 PVE/QemuServer.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index d6ddb1d..2aafc42 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -2837,6 +2837,8 @@ sub config_to_command {
     my $winversion = windows_version($ostype);
     my $kvm = $conf->{kvm} // 1;
 
+    die "KVM virtualisation configured, but not available. Either disable in VM configuration or enable in BIOS.\n" if (!$cpuinfo->{hvm} && $kvm);
+
     if ($kvmver =~ m/^(\d+)\.(\d+)$/) {
 	$vernum = $1*1000000+$2*1000;
     } elsif ($kvmver =~ m/^(\d+)\.(\d+)\.(\d+)$/) {
@@ -3106,8 +3108,6 @@ sub config_to_command {
 
     if (!$kvm) {
 	push @$machineFlags, 'accel=tcg';
-    } else {
-	die "No accelerator found!\n" if !$cpuinfo->{hvm};
     }
 
     if ($machine_type) {
-- 
2.11.0