From: Bob Nelson <rrnelson@linux.vnet.ibm.com>
To: oprofile-list@lists.sourceforge.net,
linux kernel <linux-kernel@vger.kernel.org>
Cc: eranian@hpl.hp.com
Subject: Re: 2.6.22 new perfmon code base + libpfm + pfmon
Date: Wed, 1 Aug 2007 10:09:10 -0500 [thread overview]
Message-ID: <200708011009.10761.rrnelson@linux.vnet.ibm.com> (raw)
In-Reply-To: <200708010922.41551.rrnelson@linux.vnet.ibm.com>
On Wednesday 01 August 2007 09:22:41 am Bob Nelson wrote:
> It looks to me like you were saying you would remove this extension to the
> OProfile file system (/dev/oprofile/implementation).
> However, it looks like it has made it into the mainline kernel code. As David
> pointed out, the value isn't initialized for architectures other than i386. As
> a result you get a kernel crash (at least on PPC) with the following commands.
>
> opcontrol --init
> cat /dev/oprofile/implementation
>
> Kevin Corry is working on a patch but until that makes it out people may want
> to be a little careful with this...
>
My misunderstanding. We wound up with the older version of the patch in our
version of the kernel. It looks like the offending code was removed from the
later version of the patch.
Bob
next prev parent reply other threads:[~2007-08-01 15:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-26 14:02 2.6.22 new perfmon code base + libpfm + pfmon Stephane Eranian
2007-08-01 14:22 ` Bob Nelson
2007-08-01 14:29 ` Arnd Bergmann
2007-08-01 15:09 ` Bob Nelson [this message]
2007-08-06 18:09 ` David Rientjes
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