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

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

[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@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)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-- 
2.47.2



_______________________________________________
pve-devel mailing list
pve-devel@lists.proxmox.com
https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel

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

[Fiona Ebner]

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@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)
>  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~



_______________________________________________
pve-devel mailing list
pve-devel@lists.proxmox.com
https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel

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

[Thomas Lamprecht]

On Thu, 14 Aug 2025 13:13:46 +0200, Fiona Ebner wrote:
> 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
> 
> 

Applied, thanks!

[1/1] qm: ovmf: mention that an RNG device is required for PXE boot
      commit: 4e220f8aacd431a59561b715c60e1f22d720fd28


_______________________________________________
pve-devel mailing list
pve-devel@lists.proxmox.com
https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel