
On Power systems console should be added the kernel command line in the following order: 'console=tty0 console=hvc0'. The first one is the graphical console. The last one is the serial console. The kernel enables all the consoles pointed through the kernel command line. However, only the last one will receive input/output during kernel boot. All the other consoles will be enabled after the boot. Change-Id: I0069f608e0ab104d3778954e033fb82ed5ea7693
bootloader
Installs grub[2]
on boot partition on the system. In
case GRUB2 is not available in the system, a fallback to Extlinux will
happen. It's also possible to enforce the use of Extlinux by exporting a
DIB_EXTLINUX
variable to the environment.
Arguments
DIB_GRUB_TIMEOUT
sets thegrub
menu timeout. It defaults to 5 seconds. Set this to 0 (no timeout) for fast boot times.DIB_BOOTLOADER_DEFAULT_CMDLINE
sets the CMDLINE parameters that are appended to the grub.cfg configuration. It defaults to 'nofb nomodeset vga=normal'