end_request i/o error dev fd0 sector 0
$ sudo vi /etc/default/grub
GRUB_TIMEOUT=5 GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)" GRUB_DEFAULT=saved GRUB_DISABLE_SUBMENU=true GRUB_TERMINAL_OUTPUT="console" GRUB_CMDLINE_LINUX="vconsole.keymap=jp106 crashkernel=auto vconsole.font=latarcyrheb-sun16 rhgb quiet rdblacklist=floppy" GRUB_DISABLE_RECOVERY="true"
※GRUB_CMDLINE_LINUX に rdblacklist=floppy を追加。
$ cp /boot/grub2/grub.cfg /boot/grub2/grub.cfg.bak20150314 $ sudo grub2-mkconfig -o /boot/grub2/grub.cfg
Generating grub configuration file ... Found linux image: /boot/vmlinuz-3.10.0-123.el7.x86_64 Found initrd image: /boot/initramfs-3.10.0-123.el7.x86_64.img Found linux image: /boot/vmlinuz-3.10.0-123.20.1.el7.x86_64 Found initrd image: /boot/initramfs-3.10.0-123.20.1.el7.x86_64.img Found linux image: /boot/vmlinuz-0-rescue-122d62e367464b61919f65b3c26dc705 Found initrd image: /boot/initramfs-0-rescue-122d62e367464b61919f65b3c26dc705.img
$ sudo vi /etc/modprobe.d/blacklist-floppy.conf
blacklist floppy