linux-kernel - Re: [PATCH 4/5] don't panic if /sbin/init exits or killed

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Message-ID: <20080316225534.5f7dc339@core>
Date:	Sun, 16 Mar 2008 22:55:34 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Oleg Nesterov <oleg@...sign.ru>
Cc:	Roland McGrath <roland@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Davide Libenzi <davidel@...ilserver.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Ingo Molnar <mingo@...e.hu>,
	Laurent Riffard <laurent.riffard@...e.fr>,
	Pavel Emelyanov <xemul@...nvz.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] don't panic if /sbin/init exits or killed

> Well, I think the generic "if we have a chance to survive, we should try
> to survive" rule is good.
> 
> If the boot init dies, at least the admin has a chance to figure out what
> has happened, and -o remount,ro /.

A long long time ago someone posted a patch which arranged that if the
init process died it got respawned via the same list of process names as
happens on boot.

Or for that matter we could catch the dying init and replace it with a
kernel side while(1) wait(NULL); so that we at least continue the cleanup.

Alan
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