Hi, On Mon, Dec 24, 2007 at 05:20:10PM +0800, ramkumarj Ramkumar wrote:
> I would be very grateful if the following questions could be addressed, > > 1. Does the inittab format changed for Linux 2.6. The old one was from > mkrootfs (which I think is pretty old). I could see some changes in the > "respawn" line. Inittab isn't tied to the kernel, but to the init process. So no, it should not have changed between 2.4 and 2.6. > 2. Is it required to run the tty0 along with ttyS0. Is this is mandatory. I > assumed all these days console and ttyS0 should be sufficient. tty0 is normally one of the vga consoles. It shouldn't be needed if all you have is serial. > 3. A very basic question : What is the clear difference between ttyS0 ( UART > Driver ), console and tty0. To my understanding, ttyS0 is the first port > UART 's driver (for 16550/8250) which deals with the hardware as such by > writing and reading the registers. tty0 is virtual console, something to do > with telnet sessions. But I dont clearly understand why console and tty0 are > both required or not. Please correct me if my understanding is wrong. ttyS<x> are normally 8250-compatible uarts, yes. pts/<x> is remote connections such as telnet or ssh-based ones. tty<x> are normally the local vga consoles. -Olof _______________________________________________ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded
