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-rw-r--r--mb/2configs/qemu-guest.nix19
1 files changed, 19 insertions, 0 deletions
diff --git a/mb/2configs/qemu-guest.nix b/mb/2configs/qemu-guest.nix
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+++ b/mb/2configs/qemu-guest.nix
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+# Common configuration for virtual machines running under QEMU (using
+# virtio).
+
+{ ... }:
+
+{
+ boot.initrd.availableKernelModules = [ "virtio_net" "virtio_pci" "virtio_mmio" "virtio_blk" "virtio_scsi" "9p" "9pnet_virtio" ];
+ boot.initrd.kernelModules = [ "virtio_balloon" "virtio_console" "virtio_rng" ];
+
+ boot.initrd.postDeviceCommands =
+ ''
+ # Set the system time from the hardware clock to work around a
+ # bug in qemu-kvm > 1.5.2 (where the VM clock is initialised
+ # to the *boot time* of the host).
+ hwclock -s
+ '';
+
+ security.rngd.enable = false;
+}