On 15.02.2014 21:13, Juan David Alejandro Cadena Cedano wrote:
> Hi!
> 
> 
> I want to enable usb serial ... as it appears on the page:
> http://www.coreboot.org/GRUB2, but the terminal_output command print it:
> 
> 
> "Active output Terminals:
> 
> vga_text
> 
> Available output terminals:
> 
> gfxterm spkmodem serial_ * mda_text cbmemc serial audio"
> 
>  
> 
> then ls command print it:
> 
> "(usb0) (memdisk)"
> 
ls prints disks, not serials
>  
> 
> but when I write "serial --speed=115200 --word=8 --parity=no --stop=1
> usb0" this print it:
> 
> "serial port 'usb0' is not found"
> 
what kind of dongle do you use? GRUB supports only very limited number
of dongles currently.
But I fail to understand your problem. It seems like you want to load
kernel and already have a console. Why not jsut type:
root=usb0
linux /mykernel arguments
initrd /myinitrd
boot
?


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