On Tue, Jun 7, 2016 at 10:31 AM, Or Gerlitz <gerlitz.or@xxxxxxxxx> wrote:
> On Sat, Jun 4, 2016 at 3:15 PM, Leon Romanovsky <leon@xxxxxxxxxx> wrote:
>
>> Fixes: 862096a8bbf8 ("IB/ipoib: Add more rtnl_link_ops callbacks")
>> Fixes: 9baa0b036410 ("IB/ipoib: Add rtnl_link_ops support")
>
> These two commits go back to 3.7-rc1 / Oct 2012 -- so I wonder how come we never
> got reports on this ABBA deadlock happens in real life - any idea, did
> you see the deadlock in
Sure, it is from the real life, you can see the stack that i added to
the commit message.
If you want to simulate that just add sleep in the remove_one while
trying to change mode/add-child etc.
> action, ever? We did had lockdep warnings and thanks you Erez for
welcome.
> finally getting there to fix after me... I will look on your patch.
>
> Or.
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