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Re: how to remove shellsnoop?

From: Martin Hunt <hunt at redhat dot com>
To: CHANG Xiaolin <changxl at ust dot hk>
Cc: systemtap at sources dot redhat dot com
Date: Fri, 02 Sep 2005 10:13:53 -0700
Subject: Re: how to remove shellsnoop?
Organization: Red Hat Inc.
References: <y0mhdd538gu.fsf@tooth.toronto.redhat.com> <1125547048.11102.21.camel@dragon> <20050901150038.GB9569@redhat.com> <1971.219.239.136.141.1125640504.squirrel@sqmail.ust.hk>

On Fri, 2005-09-02 at 13:55 +0800, CHANG Xiaolin wrote:
> Hi,
> I "insmod runtime/probes/shellsnoop/shellsnoop.ko".

That is a bad idea, but it should be harmless.

> There is no error.
> But when I "rmmod shellsnoop", the computer restarts.
> 
> Could anyone explain the reason? We  can not use rmmod to remove
> shellsnoop modules? if not, how to remove shellsnoop module ?

I tried this on several different OSes and cpus and it never happened to
me, so I cannot guess what is going on.

The only supported way to load modules built using the systemtap runtime
is with stpd.  From the systemtap directory, it would be
"../../stpd/stpd shellsnoop.ko"  Or install stpd in your path and you
can just do "stpd shellsnoop.ko"

Martin

References:
- Re: lots of systemtap language questions
  - From: Frank Ch. Eigler
- Re: lots of systemtap language questions
  - From: Martin Hunt
- Re: lots of systemtap language questions
  - From: Frank Ch. Eigler

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