netdev - Re: [ipvs] BUG: soft lockup detected on CPU#3!

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Message-ID: <20070526022239.GD4169@verge.net.au>
Date:	Sat, 26 May 2007 11:22:40 +0900
From:	Horms <horms@...ge.net.au>
To:	Sebastien Estienne <sebastien.estienne@...il.com>
Cc:	wensong@...ux-vs.org, ja@....bg, nedev <netdev@...r.kernel.org>
Subject: Re: [ipvs] BUG: soft lockup detected on CPU#3!

On Fri, May 25, 2007 at 09:30:52AM +0000, Sebastien Estienne wrote:
> 
> I didn't try 2.6.21 yet, but using ubuntu dapper kernel (2.6.15) i
> can't reproduce the bug.
> When i was using feisty kernel (2.6.20), i can reproduce in less than 5 
> minutes.
> 
> I'm using lvs to loadbalance some mysql servers, i wrote a deamon that
> check the synchro of the mysql replication on each slave and adjust
> the wieght on the lvs every 500ms

It does look a lot like there is some sort of locking problem in there.
Would it be possible to send your kernel config, as the locking
deatails to change a little with different configs.

-- 
Horms
  H: http://www.vergenet.net/~horms/
  W: http://www.valinux.co.jp/en/

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