From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Graf <tgraf@suug.ch>
Subject: Re: [PATCH 0/6 net-next] rhashtable fixes
Date: Tue, 3 Feb 2015 17:21:13 +0000
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Cc: davem@davemloft.net, netdev@vger.kernel.org
To: Ying Xue <ying.xue@windriver.com>
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On 01/30/15 at 05:56pm, Ying Xue wrote:
> On 01/30/2015 05:29 PM, Thomas Graf wrote:
> > Right, I see the same soft lockup. Interestingly I cannot trigger it
> > with the rht test code. I can only trigger it with your Netlink socket
> > creation stress test. It is definitely related to the deferred worker,
> > when I disable growing, then the bug disappears.
> 
> Yes, when I disable expansion, the soft lockup also disappears too.

I have found the last remaining race and can now run your test
program successfully in an endless loop.

I will resubmit a v2 of this series.