diff --git a/infra/compute/infra-hosts.md b/infra/compute/infra-hosts.md
index 058736f..537bc93 100644
--- a/infra/compute/infra-hosts.md
+++ b/infra/compute/infra-hosts.md
@@ -1,6 +1,8 @@
 ---
 title: 인프라 호스트 및 네트워크
-updated: 2026-05-14 K3s 4노드 patch 업그레이드 v1.34.5+k3s1 → v1.34.7+k3s1 (containerd 2.1.5 → 2.2.3)
+updated:
+  - 2026-05-04 incus-kr2 GRUB `iommu=pt` 적용 (AMD-Vi Completion-Wait timeout 차단)
+  - 2026-05-14 K3s 4노드 patch 업그레이드 v1.34.5+k3s1 → v1.34.7+k3s1 (containerd 2.1.5 → 2.2.3)
 tags: [infra, network, kr-zone, openwrt]
 ---