Kernel running in dom0 wants init= argument

Kernel running in dom0 wants init= argument

[John Christian]

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Making sure this made it out ...

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From: John Christian <jchristi@postini.com>
To: xen-devel@lists.sourceforge.net
Subject: Kernel running in dom0 wants init= argument
Date: Tue, 23 Nov 2004 14:52:27 -0800
Message-ID: <41A3BF2B.9040807@postini.com>

Hi ... so I'm now successfully running in the xen kernel .... now I'm 
attempting to start my first domain, which begins to load ok, but croaks 
at this point:

Kernel panic - not syncing: no init found.  Try passing init= option to 
kernel.

None of the sample domain configs mention init= so I'm at a bit of a 
loss as to what this means.

-John

Kernel running in dom0 wants init= argument

[John Christian]

Hi ... so I'm now successfully running in the xen kernel .... now I'm 
attempting to start my first domain, which begins to load ok, but croaks 
at this point:

Kernel panic - not syncing: no init found.  Try passing init= option to 
kernel.

None of the sample domain configs mention init= so I'm at a bit of a 
loss as to what this means.

-John


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Re: Kernel running in dom0 wants init= argument

[Mark A. Williamson]

> Hi ... so I'm now successfully running in the xen kernel .... now I'm
> attempting to start my first domain, which begins to load ok, but croaks
> at this point:
>
> Kernel panic - not syncing: no init found.  Try passing init= option to
> kernel.

This is a generic Linux error.  It means that Linux can't find /sbin/init, 
which is the first program it runs on startup.

This usually means there's some problem with the root filesystem.  Check that 
the root= setting in the config file matches the block device for the root 
filesystem you're exporting to the domain, otherwise Linux may be looking in 
the wrong place.

If you still have trouble, post your config file and tell us how you've set up 
the virtual disks (i.e. what's in which disk).

HTH,
Mark

> None of the sample domain configs mention init= so I'm at a bit of a
> loss as to what this means.
>
> -John
>
>
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Re: Kernel running in dom0 wants init= argument

[Ian Pratt]

> Hi ... so I'm now successfully running in the xen kernel .... now I'm 
> attempting to start my first domain, which begins to load ok, but croaks 
> at this point:
> 
> Kernel panic - not syncing: no init found.  Try passing init= option to 
> kernel.
> 
> None of the sample domain configs mention init= so I'm at a bit of a 
> loss as to what this means.

It's a standard linux thing --- it means that although its
mounted a root file system it can't find /sbin/init. Are you sure
you remembered to populate the filesystem? What happens if you
mount it in dom0 and inspect it?

Ian


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Re: Kernel running in dom0 wants init= argument

[Jan Kundrát]

John Christian wrote:
> Hi ... so I'm now successfully running in the xen kernel .... now I'm 
> attempting to start my first domain, which begins to load ok, but croaks 
> at this point:
> 
> Kernel panic - not syncing: no init found.  Try passing init= option to 
> kernel.
> 
> None of the sample domain configs mention init= so I'm at a bit of a 
> loss as to what this means.

Do you have /sbin/init file in your domain1 root filesystem? And is it
executable?

j.




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