Re: What happen when hangs !!

[Michal Schmidt]

Jaswinder Singh wrote:
> Sometimes my machine hangs in userspace area like this :-
>
> VFS: Mounted root (ext3 filesystem).
> Freeing init memory: 124K
> INIT:
> <<HANGS>>
>
> OR
>
> VFS: Mounted root (ext3 filesystem).
> Freeing init memory: 124K
> INIT: version 2.85 booting
> <<RUNNING SMOOTHLY>>
>
> How can I debug this hang, what are the cases.

When it hangs, try to capture the list of processes using Alt+SysRq+T. 
You need to have CONFIG_MAGIC_SYSRQ enabled in the kernel.

Michal
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