linux-kernel - Re: How to compile kernel so it automatically reboots upon a crash instead of generating stack trace and then hang.

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Message-ID: <20080312095307.4873c750@bull.net>
Date:	Wed, 12 Mar 2008 09:53:07 +0100
From:	Sebastien Dugue <sebastien.dugue@...l.net>
To:	"Prakhar Krishna" <prakhar2@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: How to compile kernel so it automatically reboots upon a crash
 instead of generating stack trace and then hang.

  Hi Prakhar,

On Tue, 11 Mar 2008 23:52:00 -0500 "Prakhar Krishna" <prakhar2@...il.com> wrote:

> [I did search the mailing lists archives and the Web but did not find an answer,
>  apololgies if this is duplicate question]
> 
> i need my linux box to automatically reboot if it ever runs into a
> kernel panic/crash etc.
> For my production evvironment, it is not desired that kernel generate the stack
> trace and then wait there. We want it to reboot and comeback up again.
> 
> if this has already been answered (i seriously think it should have
> been), please
> direct me to the answer else any details would be helpful.
> 

  This screams 'hardware watchdog' to me, as there are situations when the kernel
is completely hung.

  Sebastien.
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