Tag Archives: aarch64

Ubuntu 18.04 ARM64 DPDK in VM (QEMU)

DPDK is a very popular infrastructure in high speed packet process domain, some applications will used the same architecture to process packet, like EPC.

For Ubuntu 18.04, it used dpdk 17.11, it not good for some other application like dpdk pktgen, but enough for testpmd and l3fwd test. here is some personal note for setup whole environment.

DPDK in QEMU archeticture
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unsupported configuration: CPU mode ‘host-model’ for aarch64 kvm domain on aarch64 host is not supported by hypervisor

應該改 nova.conf
將 [libvirt] 內的
cpu_mode 改成 host-passthrough

應該只有影響 ocata

Ref.
OpenStack KVM

[ocata] unsupported configuration: CPU mode ‘host-model’ for aarch64 kvm domain on aarch64 host is not supported by hypervisor

程式解法
aarch64: set default cpu_mode to host-passthrough

No valid host was found. There are not enough hosts available

OpenStack Horization error message
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aarch64/ARM64 virt-install 啟動方法

雖然 ubuntu 有好用的 uvttool-libvirt 可以管理 cloud image , 但是似乎在 aarch64/ARM64 的平台上會有問題,
參數傳進去的時候似乎都會叫起來 VGA (cirrus), 但是 QEMU aarch64 上不支援 VGA (至少我用的不支援)
替代方案就是用 Virt Manager
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