linux-kernel - Re: [BUG] mellanox IB driver fails to load on large config

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Message-ID: <55A74E61.1080403@mellanox.com>
Date:	Thu, 16 Jul 2015 09:25:37 +0300
From:	Or Gerlitz <ogerlitz@...lanox.com>
To:	Alex Thorlton <athorlton@....com>
CC:	Or Gerlitz <gerlitz.or@...il.com>, andrew banman <abanman@....com>,
	"Linux Kernel" <linux-kernel@...r.kernel.org>,
	Doug Ledford <dledford@...hat.com>,
	Sean Hefty <sean.hefty@...el.com>,
	Hal Rosenstock <hal.rosenstock@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Roland Dreier <roland@...estorage.com>,
	Matan Barak <matanb@...lanox.com>,
	Moni Shoua <monis@...lanox.com>,
	Jack Morgenstein <jackm@....mellanox.co.il>,
	"Yishai Hadas" <yishaih@...lanox.com>,
	Eran Ben Elisha <eranbe@...lanox.com>,
	"Ira Weiny" <ira.weiny@...el.com>,
	"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>
Subject: Re: [BUG] mellanox IB driver fails to load on large config

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)
--

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