linux-kernel - Re: panic with tg_shares

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Message-ID: <495168A8.4050600@kernel.org>
Date:	Tue, 23 Dec 2008 14:39:36 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Ken Chen <kenchen@...gle.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: panic with tg_shares_up again? -- kexec

Ingo Molnar wrote:
> * Yinghai Lu <yinghai@...nel.org> wrote:
> 
>> yesterday's tip on one 32 cores sytem
> 
> Does reverting this:
> 
> | commit d71f5a7c8bf9cd7c74159a53e522e363f2eddaf5
> | Author: Ken Chen <kenchen@...gle.com>
> | Date:   Fri Dec 19 10:11:50 2008 -0800
> |
> |     sched: fix uneven per-cpu task_group share distribution
> 
> solve the crash?
> 

not happen again with current tip (you already reverted that patch).

Also kexec is broken somehow. 1/20 chance new kernel can not loaded or started

YH
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