From mboxrd@z Thu Jan  1 00:00:00 1970
From: andrew banman <abanman-sJ/iWh9BUns@public.gmane.org>
Subject: Re: [BUG] mellanox IB driver fails to load on large config
Date: Tue, 14 Jul 2015 13:22:34 -0500
Message-ID: <20150714182234.GD17920@asylum.americas.sgi.com>
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To: Or Gerlitz <gerlitz.or-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: andrew banman <abanman-sJ/iWh9BUns@public.gmane.org>, Linux Kernel <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Sean Hefty <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, Hal Rosenstock <hal.rosenstock-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>, "David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>, Roland Dreier <roland-BHEL68pLQRGGvPXPguhicg@public.gmane.org>, Matan Barak <matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>, Moni Shoua <monis-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>, Jack Morgenstein <jackm-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>, Yishai Hadas <yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>, Eran Ben Elisha <eranbe-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>, Ira Weiny <ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, athorlton-sJ/iWh9BUns@public.gmane.org
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On Sat, Jul 11, 2015 at 11:20:19PM +0300, Or Gerlitz wrote:
> On Fri, Jul 10, 2015 at 10:15 PM, andrew banman <abanman-sJ/iWh9BUns@public.gmane.org> 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?

I'll let Alex comment on that, he did some testing on that.

-Andrew
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