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Re: stap on RHEL 5.2 (2.6.18-92.1.10-el5)
- From: Mark Wielaard <mjw at redhat dot com>
- To: Dave Brolley <brolley at redhat dot com>
- Cc: systemtap <systemtap at sources dot redhat dot com>
- Date: Thu, 11 Sep 2008 00:14:26 +0200
- Subject: Re: stap on RHEL 5.2 (2.6.18-92.1.10-el5)
- References: <48C83580.20708@redhat.com>
Hi Dave,
On Wed, 2008-09-10 at 17:00 -0400, Dave Brolley wrote:
> The same example works ok on my f8 system and I've compared the
> generated C code from both systems (only minor differences), so there
> must be a problem with a header file, I'm guessing.
>
> Anyone seen anything like this?
Sorry I missed this. Fedora has kernels with CONFIG_FRAME_POINTER set
for i386, rhel apparently hasn't. Frank already pushed a fix:
commit da4c496a55b73e2a768d3b1c6cee44b43144bcc8
Author: Frank Ch. Eigler <fche@elastic.org>
Date: Wed Sep 10 17:18:41 2008 -0400
backtrace fix for i386 with neither frame pointers nor dwarf unwinding
Please yell if that doesn't fix it for you.
Thanks,
Mark