kdump_post : busybox returns "Applet not found"

Sun Dec 5 15:19:39 EST 2010

On Fri, Dec 03, 2010 at 05:14:00PM +0100, Louis Bouchard wrote:
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> Hello (again)<br>
> <br>
> I did not think that I would come back to you so quickly, but I am
> having an issue with RHEL6 implementation of kexec-tools (apparently
> adapted for kexec-tools 2.0) while testing crashdc on RHEL6 (the
> initial release).<br>
> <br>
> Everytime I trigger a crash with 'kdump_post' set to
> /var/crash/scripts/kdump_post.sh I get the following from busybox :
> kdump-post.sh: applet not found<br>
> <br>
> <blockquote><tt>Copying data&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; : [100%]</tt><br>
>   <tt>Saving core complete</tt><br>
>   <tt>kdump-post.sh: applet not found</tt><br>
>   <tt>dropping to initramfs shell</tt><br>
>   <tt>exiting this shell will reboot your system</tt><br>
> </blockquote>
> For a while, I thought that my crashdc calling script was in cause, but
> I changed kdump_post.sh to one single "echo This is working" line and I
> still get the same thing :<br>
> <br>
> <blockquote><tt># cat /var/crash/scripts/kdump-post.sh</tt><br>
>   <tt>echo "This is working"</tt><br>
>   <tt>/var/crash/scripts/kdump-post.sh</tt><br>
>   <tt>kdump-post.sh: applet not found</tt><br>
>   <tt>msh/ # /var/crash/scripts/kdump-post.sh</tt><br>
>   <tt>This is working</tt><br>
> </blockquote>
I'm kind of suprised this is working at all.  I don't see a #!/bin/sh or
#!/bin/msh line at the top of the script.  How does the system know what
interpreter to use?

Neil