netdev - Re: [PATCH] net: stop endless flood about dst entry refcount underflow or overflow

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Message-Id: <20150714.153056.1150026369732009178.davem@davemloft.net>
Date:	Tue, 14 Jul 2015 15:30:56 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	khlebnikov@...dex-team.ru, netdev@...r.kernel.org,
	edumazet@...gle.com
Subject: Re: [PATCH] net: stop endless flood about dst entry refcount
 underflow or overflow

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Tue, 14 Jul 2015 14:26:07 +0200

> On Tue, 2015-07-14 at 15:15 +0300, Konstantin Khlebnikov wrote:
> 
>> Simple warn-once will hide a lot of information which could be useful.
>> Also dst entry leak is better than freeing actually active entry.
> 
> Then BUG_ON() .
> 
> Really, we need to fix leaks, not brown paper them.

No, killing the machine is not the answer.

If you want to rate limit this message, do it on a per-device basis,
but without corrupting the netdev state in the process.
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