linux-kernel - Re: ftrace causing panics.

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Message-ID: <47BC40FA.6020205@redhat.com>
Date:	Wed, 20 Feb 2008 10:02:18 -0500
From:	Steven Rostedt <srostedt@...hat.com>
To:	Dhaval Giani <dhaval@...ux.vnet.ibm.com>
CC:	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: ftrace causing panics.

Dhaval Giani wrote:
> Hi Ingo,
> 
> ftrace-cmd in -w option when being run for sometime cause this.
> 
> 
> llm11.in.ibm.com login: [ 1002.937490] BUG: unable to handle kernel paging request at 285b0010
> [ 1002.947087] IP: [<c015f7b5>] find_next_entry+0x4f/0x84
> 

Dhaval,

First, thanks for testing!!!!

Are you running the -mm kernel or sched-devel?  This will let me know 
which version you have.  I'm working on a queue of fixes for Ingo now, 
to incorporate into sched-devel (and later pass to Andrew for -mm).  I'm 
not sure if the new fixes will help you, but we need to get in sync, so 
that we are both looking at the same version of the code.

Thanks,

-- Steve
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