linux-kernel - Re: [PATCH] panic_on

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Message-Id: <20060717172341.6d49f109.akpm@osdl.org>
Date:	Mon, 17 Jul 2006 17:23:41 -0700
From:	Andrew Morton <akpm@...l.org>
To:	Horms <horms@...ge.net.au>
Cc:	ak@...e.de, rmk@....linux.org.uk, tony.luck@...el.com,
	paulus@...ba.org, anton@...ba.org, chris@...kel.net,
	linux-ia64@...r.kernel.org, linuxppc-dev@...abs.org,
	discuss@...-64.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] panic_on_oops: remove ssleep()

On Mon, 17 Jul 2006 19:10:59 -0400
Horms <horms@...ge.net.au> wrote:

> On Tue, Jul 18, 2006 at 12:27:51AM +0200, Andi Kleen wrote:
> > On Monday 17 July 2006 18:17, Horms wrote:
> > ...
> > Keeping the delay might be actually useful so that you can see the panic
> > before system reboots when reboot on panic is enabled. I would just use a loop
> > of mdelays(1) with touch_nmi_watchdog/touch_softirq_watchdog()s
> > inbetween.
> 
> Ok, I will look into making that happen. I agree that the pause is
> quite useful.

It's kind-of already implemented, via pause_on_oops.  Perhaps doing
something like 

	if (panic_on_oops)
		pause_on_oops = max(pause_on_oops, 5*HZ);

would be sufficient.
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