Fix for ARM SMMU v3 event queue interrupt storm on CIX Sky1/CD8180 SoC (Orange Pi 6 Plus, Radxa Orion O6, etc.) causing system freezes, SSH hangs, and network unresponsiveness
linux uefi arm64 orange-pi acpi sbc pcie devmem iommu iort smmu orange-pi-6-plus cix-sky1 cd8180 arm-smmu radxa-orion-o6 system-freeze ssh-hang interrupt-storm firmware-workaround
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Updated
Feb 22, 2026 - Shell