linux-kernel - Re: [KERNEL BUG] do_timer/tick_handover_do

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Message-ID: <1430981678.2955.121.camel@gmail.com>
Date:	Thu, 07 May 2015 08:54:38 +0200
From:	Mike Galbraith <umgwanakikbuti@...il.com>
To:	"Oza (Pawandeep) Oza" <oza@...adcom.com>
Cc:	pawandeep oza <oza.contri.linux.kernel@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	malayasen rout <malayasen.rout@...il.com>
Subject: Re: [KERNEL BUG] do_timer/tick_handover_do_timer 3.10.17

On Thu, 2015-05-07 at 05:58 +0000, Oza (Pawandeep) Oza wrote:
> Yes.
> But dying kernel doesn’t mean it CAN NOT INCREMENT jiffies.
> do_timer should do the job until kernel takes its last breathe and more precisely CPU0 take its last breathe by halting itself as its last instruction.

Feel free to add a redundant timer subsystem lest we BUG() in there, and
whatever else you need to guarantee a perfect orderly death for your
box.  I prefer live boxen, would make that BUG() go away.

	-Mike

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