阿里云服务器linux 启动网卡失败,提示does not seem to be present,delaying initialization
2020-07-29 14:30
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如果出现该报错的情况下,有两种原因导致:
1.由于网卡的MAC地址与70-persistent-net.rules文件中的MAC地址不匹配导致。
需要到
/etc/udev/rules.d/70-persistent-net.rules
文件里核实MAC地址信息,修改一致后,然后重启主机。
注意:阿里云的ECS服务器是进行过优化的,很多文件被删除了,一般情况下,没有该文件,或者改文件没有内容的属于正常现象需要到
/etc/udev/rules.d/70-persistent-net.rules
文件里核实MAC地址信息,修改一致后,然后重启主机。
注意:阿里云的ECS服务器是进行过优化的,很多文件被删除了,一般情况下,没有该文件,或者改文件没有内容的属于正常现象
2.由于网卡驱动异常导致。
这个是由于 xen_netfront 这个驱动没有加载上,可以通过
lsmod | grep xen_netfront 这个命令是否已经加载上。(查看加载状态)
然后通过modprobe xen_netfront命令加载驱动(加载上),启动网卡就ok了。
注意:xen的服务器驱动是xen_netfront,kvm的服务器驱动是virtio_net,kvm的服务器使用modprobe virtio_net 命令加载下驱动;
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