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Re: Kprobes support for IA64

From: Ananth N Mavinakayanahalli <ananth at in dot ibm dot com>
To: "Lynch, Rusty" <rusty dot lynch at intel dot com>
Cc: Ananth N Mavinakayanahalli <amavin at redhat dot com>, "Keshavamurthy, Anil S" <anil dot s dot keshavamurthy at intel dot com>, SystemTAP <systemtap at sources dot redhat dot com>
Date: Mon, 23 May 2005 16:16:58 -0400
Subject: Re: Kprobes support for IA64
References: <032EB457B9DBC540BFB1B7B519C78B0E0733FD86@orsmsx404.amr.corp.intel.com>
Reply-to: ananth at in dot ibm dot com

On Mon, May 23, 2005 at 12:47:07PM -0700, Lynch, Rusty wrote:
> 
....

> >
> >I worked with Prarit Bhargava (SGI) today to show the usage of
> >kprobes/jprobes on ia64. Everything worked fine, except for a
> consistent:
> >
> >-bash: child setpgid (xxx to xxx): No such process
> >                       ^^^    ^^^ pids of bash
> >message during rmmod of a jprobe module. Not sure why this message
> comes
> >up though. The machine we were testing on was a 16-way Altix box I
> think.
> >
> >Ananth
> 
> I haven't seen this message before.  Do you have a simple testcase that
> exposes this?

I normally use the attached (barebones) jprobe test module (originally by 
Prasanna). We modified just the jp.kp.addr and .entry values for IA64 in 
this file to test.

Thanks,
Ananth

Attachment: jprobe-fork.c
Description: Text document

References:
- RE: Kprobes support for IA64
  - From: Lynch, Rusty

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