Opensatack-问题

1、创建虚拟机时报错`ret == cpu->kvm_msr_buf->nmsrs' failed

• (1)问题
  • 在/var/log/nova/nova-compute.log中报错：Failed to build and run instance: libvirtError: internal error: qemu unexpectedly closed the monitor: ... qemu-kvm: error: failed to set MSR 0x10a to 0x0 qemu-kvm: /builddir/build/BUILD/qemu-2.12.0/target/i386/kvm.c:2054: kvm_put_msrs: Assertion `ret == cpu->kvm_msr_buf->nmsrs' failed.

• (2)解决问题
  • 在报错的机器上就行如下操作。

//(1)添加如下配置
]# vim /etc/modprobe.d/qemu-system-x86.conf
options kvm ignore_msrs=1

//(2)重启机器
]# reboot

2、创建虚拟机时报错'ascii' codec can't decode

• (1)问题
  • 在/var/log/nova/nova-compute.log中报错：Unexpected build failure, not rescheduling build.: UnicodeDecodeError: 'ascii' codec can't decode byte 0xe5 in position 0: ordinal not in range(128)
• (2)解决问题
  • 在报错的机器上就行如下操作。

//(1)修改nova的配置文件
]# vim /etc/nova/nova.conf
[libvirt]
virt_type = qemu

//(2)重启nova
]# systemctl restart openstack-nova-compute.service

3、启动cloud-init时报错

• (1)问题
  • 启动cloud-init时报错
    • 在/var/log/cloud-init.log中报错：InvalidMetaDataException: No active metadata service found
  • 访问元数据服务器报错

//使用虚拟机访问元数据服务器
]# curl http://169.254.169.254
curl: (7) Failed connect to 169.254.169.254:80; Connection refused

• (2)解决问题

]# ip route add 169.254.0.0/16 dev eth0 scope link metric 1002

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