Deepak Saxena wrote:
> We attempted an experiment in cleaning up some modprobe messages during 
> initramfs bootup when the modules directory is missing by moving modprobe 
> to modprobe-bin and replacing modprobe with the following simple shell script:
> 
> #!/bin/sh
> # Clean up bootup when modules are not present
> 
> if [ -e "/lib/modules/'uname -r'/modules.dep" ] ; then
>       /sbin/modprobe-bin $*
> else
>       exit 0
> fi
> 
[]
> BUG: unable to handle kernel NULL pointer dereference at virtual address 
> 00000014
[]
> Trace; c0107737 <sys_pipe+17/60>
> Trace; c01030d7 <syscall_call+7/b>

This is the same issue I reported much earlier with /sbin/hotplug being a script
in initrfamfs.  The problem is because pipefs isn't initialized yet at the time
the script gets called, and causes a NULL-pointer deref.  Obviously you're using
pipe above.

/mjt
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