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Fix IOMMU

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Tommy 2023-12-07 14:57:02 -07:00 committed by GitHub
parent d68d4f2e08
commit 143c26ebba
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1 changed files with 2 additions and 2 deletions
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content/posts/linux/Root ZFS Encryption, Mirroring, and Remote Unlocking with Ubuntu.md
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@ -266,7 +266,7 @@ If you are not, just replace `md0` in the commands above with your efi partition
Next, we will set the kernel boot parameters and the encryption key source for ZFSBootMenu. Here, we will deviate from the official guide and use a hardened boot parameter for better security:
```bash
zfs set org.zfsbootmenu:commandline="quiet loglevel=4 spectre_v2=on spec_store_bypass_disable=on l1tf=full,force mds=full,nosmt tsx=off tsx_async_abort=full,nosmt kvm.nx_huge_pages=force nosmt=force l1d_flush=on mmio_stale_data=full,nosmt random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=on efi=disable_early_pci_dma iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none page_alloc.shuffle=1 randomize_kstack_offset=on extra_latent_entropy debugfs=off" zroot/ROOT
zfs set org.zfsbootmenu:commandline="quiet loglevel=4 spectre_v2=on spec_store_bypass_disable=on l1tf=full,force mds=full,nosmt tsx=off tsx_async_abort=full,nosmt kvm.nx_huge_pages=force nosmt=force l1d_flush=on mmio_stale_data=full,nosmt random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none page_alloc.shuffle=1 randomize_kstack_offset=on extra_latent_entropy debugfs=off" zroot/ROOT
zfs set org.zfsbootmenu:keysource="zroot/ROOT/ubuntu" zroot
```
@ -308,7 +308,7 @@ EFI:
Versions: false
Enabled: true
Kernel:
CommandLine: ro quiet loglevel=0 quiet loglevel=4 spectre_v2=on spec_store_bypass_disable=on l1tf=full,force mds=full,nosmt tsx=off tsx_async_abort=full,nosmt kvm.nx_huge_pages=force nosmt=force l1d_flush=on mmio_stale_data=full,nosmt random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=on efi=disable_early_pci_dma iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none page_alloc.shuffle=1 randomize_kstack_offset=on extra_latent_entropy debugfs=off' | tee /etc/zfsbootmenu/config.yaml
CommandLine: ro quiet loglevel=0 quiet loglevel=4 spectre_v2=on spec_store_bypass_disable=on l1tf=full,force mds=full,nosmt tsx=off tsx_async_abort=full,nosmt kvm.nx_huge_pages=force nosmt=force l1d_flush=on mmio_stale_data=full,nosmt random.trust_bootloader=off random.trust_cpu=off intel_iommu=on amd_iommu=force_isolation efi=disable_early_pci_dma iommu=force iommu.passthrough=0 iommu.strict=1 slab_nomerge init_on_alloc=1 init_on_free=1 pti=on vsyscall=none page_alloc.shuffle=1 randomize_kstack_offset=on extra_latent_entropy debugfs=off' | tee /etc/zfsbootmenu/config.yaml
git clone https://github.com/dracut-crypt-ssh/dracut-crypt-ssh
apt install -y libblkid-dev