HP Gen8 - upgrade Proxmox 6.x -> 7.x

En cas de reboot en boucle et / ou les erreurs ci-dessous :

DMAR: DRHD: handling fault status reg 2
DMAR: [INTR-REMAP] Request device [01:00.0] fault index 18 [fault reason 38] Blocked an interrupt request due to source-id verification failure

Error: DMAR: [DMA Read] Request device [02:00.0] fault addr bd42c000 [fault reason 06] PTE Read access is not set

/etc/default/grub :

GRUB_CMDLINE_LINUX="console=ttyS1,115200 console=tty0 intel_iommu=off intremap=off"