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In-Reply-To: <20150710191506.GA52396@asylum.americas.sgi.com>
References: <20150710191506.GA52396@asylum.americas.sgi.com>
Date: Sat, 11 Jul 2015 23:20:19 +0300
Message-ID: <CAJ3xEMj82OtHcs+kDG_xrQZ4+x3Eih=YSNFR4+W-AoPNA=4jTw@mail.gmail.com>
Subject: Re: [BUG] mellanox IB driver fails to load on large config
From: Or Gerlitz <gerlitz.or@gmail.com>
To: andrew banman <abanman@sgi.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>,
        Doug Ledford <dledford@redhat.com>, Sean Hefty <sean.hefty@intel.com>,
        Hal Rosenstock <hal.rosenstock@gmail.com>,
        Or Gerlitz <ogerlitz@mellanox.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>
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On Fri, Jul 10, 2015 at 10:15 PM, andrew banman <abanman@sgi.com> wrote:
> I'm seeing a large number of allocation errors originating from the Mellanox IB
> driver when booting the 4.2-rc1 kernel on a 4096cpu 32TB memory system:

Just to make sure, mlx4 works fine on this small (...) system with 4.1
and 4.2-rc1 breaks, or 4.2-rc1 is the 1st time you're trying that
config?
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