[pve-devel] [PATCH docs] qm: ovmf: mention that an RNG device is required for PXE boot

Fiona Ebner f.ebner at proxmox.com
Tue Sep 9 11:58:25 CEST 2025


Ping

Am 14.08.25 um 1:13 PM schrieb Fiona Ebner:
> The restriction was added with an update to the EDK2 packages for
> Proxmox VE 8.4. The issue was mentioned in the known issues section,
> but should also be mentioned in the docs as requested here:
> https://bugzilla.proxmox.com/show_bug.cgi?id=2767#c5
> 
> Signed-off-by: Fiona Ebner <f.ebner at proxmox.com>
> ---
>  qm.adoc | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/qm.adoc b/qm.adoc
> index 55633fb..f798043 100644
> --- a/qm.adoc
> +++ b/qm.adoc
> @@ -1136,6 +1136,10 @@ you need to set the client resolution in the OVMF menu (which you can reach
>  with a press of the ESC button during boot), or you have to choose
>  SPICE as the display type.
>  
> +When using OVMF with PXE boot, you have to add an xref:qm_virtio_rng[RNG device]
> +to the VM. For security reasons, the OVMF firmware disables PXE boot for guests
> +without a random number generator.
> +
>  [[qm_tpm]]
>  Trusted Platform Module (TPM)
>  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~





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