netdev - Re: ERROR: "__umoddi3" [drivers/net/ethernet/mellanox/mlx5/core/mlx5

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Date:   Mon, 30 Sep 2019 17:45:35 +0200
From:   Michal Kubecek <mkubecek@...e.cz>
To:     Borislav Petkov <bp@...en8.de>
Cc:     linux-rdma@...r.kernel.org, Saeed Mahameed <saeedm@...lanox.com>,
        Leon Romanovsky <leon@...nel.org>, netdev@...r.kernel.org,
        lkml <linux-kernel@...r.kernel.org>
Subject: Re: ERROR: "__umoddi3"
 [drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko] undefined!

On Mon, Sep 30, 2019 at 04:13:17PM +0200, Borislav Petkov wrote:
> I'm seeing this on i386 allyesconfig builds of current Linus master:
> 
> ERROR: "__umoddi3" [drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko] undefined!
> make[1]: *** [__modpost] Error 1
> make: *** [modules] Error 2

This is usually result of dividing (or modulo) by a 64-bit integer. Can
you identify where (file and line number) is the __umoddi3() call
generated?

Michal