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Message-ID: <47EDD80C.6030507@zytor.com>
Date: Fri, 28 Mar 2008 22:47:56 -0700
From: "H. Peter Anvin" <hpa@...or.com>
To: Oleg Nesterov <oleg@...sign.ru>
CC: 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>,
Roland McGrath <roland@...hat.com>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] don't panic if /sbin/init exits or killed
Oleg Nesterov wrote:
> If the buggy init exits, the kernel panics. I see no point for this. It is very
> possible that the system is still usable enough, at least to read the logs and
> prepare the bug report.
>
> Change exit_child_reaper() to do BUG() instead of panic().
>
> Signed-off-by: Oleg Nesterov <oleg@...sign.ru>
This would be highly undesirable in a production system, since it would
leave the machine an unusable zombie. In a production system, the panic
can be made to reboot the system, bringing it back online.
-hpa
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