CD-ROM device is no longer accessible after installing the Hyper-V Linux Integration Services in a Red Hat or CentOS virtual machine

 

现象：RHEL或CENTOS安装Hyper-V集成服务后，/dev/cdrom消失，光驱无法使用。

解决：insmod /lib/modules/$(uname -r)/kernel/drivers/ata/ata_piix.ko

微软KB