Re: Altix hang on boot with 2.6.8+

[Keith Owens]

On Mon, 3 Jan 2005 13:52:00 +0100, 
Jan Kasprzak <kas@xxxxxxxxxx> wrote:
>I cannot boot a 2.6.8 or 2.6.10 kernel on my SGI Altix - it hangs during
>boot after printing this:
>
>[...]
>CPU 0: base freq=200.000MHz, ITC ratio=14/2, ITC freq=1400.000MHz+/--1ppm
>Console: colour dummy device 80x25

The Altix console changed from ttyS0 to ttySG0 around 2.6.8.  You need to
  mknod ttySG0 c 204 40
and change elilo.conf to use console=ttySG0 for the newer kernels.  You
also need to change /etc/inittab from ttyS0 to ttySG0.

Most Altix systems running 2.6 have both ttyS0 and ttySG0 defined in
/dev and have two lines in /etc/inittab to allow switching between old
and new kernels.

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