netdev - Re: [v2 PATCH 0/2] rhashtable: rhashtable with duplicate objects

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Date:   Mon, 19 Sep 2016 11:54:56 +0200
From:   Johannes Berg <johannes@...solutions.net>
To:     Herbert Xu <herbert@...dor.apana.org.au>
Cc:     "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        linux-wireless@...r.kernel.org, Thomas Graf <tgraf@...g.ch>,
        tom@...bertland.com, Ben Greear <greearb@...delatech.com>
Subject: Re: [v2 PATCH 0/2] rhashtable: rhashtable with duplicate objects


> The stack trace is useless, but my other annotation showed that the
> table's nelems *underflowed* to -1, so now the worker will continue
> to try to grow it forever.
> 

And this *was* actually a case of duplication, afaict, since it was
multiple virtual interfaces on the same device all connecting to the
same AP.

johannes