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Re: kexec on SMP mips64?

To: Chris Friesen <cfriesen@nortel.com>
Subject: Re: kexec on SMP mips64?
From: Ralf Baechle <ralf@linux-mips.org>
Date: Fri, 1 Feb 2008 09:32:09 +0000
Cc: linux-mips@linux-mips.org
In-reply-to: <47A21286.3020009@nortel.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <47A21286.3020009@nortel.com>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.5.17 (2007-11-01)
On Thu, Jan 31, 2008 at 12:25:10PM -0600, Chris Friesen wrote:

> We're starting work on an embedded highly-available product using dual 
> Octeon cpus, and I'm looking into the possibility of using kexec/kdump as a 
> "flight recorder" to dump fault information to a persistant storage 
> location.
>
> I saw the patch adding initial support for kexec, but I was curious about 
> the current status.  Is anyone using kexec for mips64 SMP systems?  Is it 
> known to be broken?  I'm just trying to get a feel for how much work might 
> be involved.

I would classify the code as untested and suspect.

  Ralf

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