Date: Mon, 20 Jul 2015 11:28:03 -0500
From: Alex Thorlton <athorlton@sgi.com>
To: Or Gerlitz <ogerlitz@mellanox.com>
Cc: Alex Thorlton <athorlton@sgi.com>, Or Gerlitz <gerlitz.or@gmail.com>,
        andrew banman <abanman@sgi.com>,
        Linux Kernel <linux-kernel@vger.kernel.org>,
        Doug Ledford <dledford@redhat.com>, Sean Hefty <sean.hefty@intel.com>,
        Hal Rosenstock <hal.rosenstock@gmail.com>,
        "David S. Miller" <davem@davemloft.net>,
        Roland Dreier <roland@purestorage.com>,
        Matan Barak <matanb@mellanox.com>, Moni Shoua <monis@mellanox.com>,
        Jack Morgenstein <jackm@dev.mellanox.co.il>,
        Yishai Hadas <yishaih@mellanox.com>,
        Eran Ben Elisha <eranbe@mellanox.com>, Ira Weiny <ira.weiny@intel.com>,
        "linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>
Subject: Re: [BUG] mellanox IB driver fails to load on large config
Message-ID: <20150720162803.GL58053@asylum.americas.sgi.com>
References: <20150710191506.GA52396@asylum.americas.sgi.com> <CAJ3xEMj82OtHcs+kDG_xrQZ4+x3Eih=YSNFR4+W-AoPNA=4jTw@mail.gmail.com> <20150714182234.GD17920@asylum.americas.sgi.com> <20150714184820.GB58053@asylum.americas.sgi.com> <CAJ3xEMig=GzROAea7qe0YO11DM6pc4wXyG8VB=kq5Hf5uw2ZXQ@mail.gmail.com> <20150714202848.GD58053@asylum.americas.sgi.com> <55A74E61.1080403@mellanox.com>
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On Thu, Jul 16, 2015 at 09:25:37AM +0300, Or Gerlitz wrote:
> On 7/14/2015 11:28 PM, Alex Thorlton wrote:
>>
>> We see the same exact messages on 4.1-rc8.
>>
>>
>
> does this solves the problem?
>
>
> diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
> index ad31e47..c8ae3b9 100644
> --- a/include/linux/mlx4/device.h
> +++ b/include/linux/mlx4/device.h
> @@ -45,7 +45,7 @@
>  #include <linux/timecounter.h>
>
>  #define MAX_MSIX_P_PORT                17
> -#define MAX_MSIX               64
> +#define MAX_MSIX               1024
>  #define MIN_MSIX_P_PORT                5
>  #define MLX4_IS_LEGACY_EQ_MODE(dev_cap) ((dev_cap).num_comp_vectors < \
> (dev_cap).num_ports * MIN_MSIX_P_PORT)
> --
>

I've got some time on the large machine later today.  I'll give this a
try then.

Thanks, Or!

- Alex
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