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-rw-r--r--nixos/lib/test-driver/Machine.pm1
1 files changed, 1 insertions, 0 deletions
diff --git a/nixos/lib/test-driver/Machine.pm b/nixos/lib/test-driver/Machine.pm
index a7ed5d1faa38..a01c3c336a1b 100644
--- a/nixos/lib/test-driver/Machine.pm
+++ b/nixos/lib/test-driver/Machine.pm
@@ -146,6 +146,7 @@ sub start {
             ($self->{allowReboot} ? "" : "-no-reboot ") .
             "-monitor unix:./monitor -chardev socket,id=shell,path=./shell " .
             "-device virtio-serial -device virtconsole,chardev=shell " .
+            "-device virtio-rng-pci " .
             ($showGraphics ? "-serial stdio" : "-nographic") . " " . ($ENV{QEMU_OPTS} || "");
         chdir $self->{stateDir} or die;
         exec $self->{startCommand};