Date: Fri, 7 Aug 2015 13:45:22 -0500 From: Jason Bacon <jwbacon@tds.net> To: Garrett Cooper <yaneurabeya@gmail.com>, freebsd-infiniband@FreeBSD.org Cc: Mark Johnston <markj@FreeBSD.org>, Jeff Roberson <jroberson@jroberson.net>, Benno Rice <benno@FreeBSD.org> Subject: Re: Enable OFED/Infiniband support in 11.0-RELEASE by default? Message-ID: <55C4FCC2.9060704@tds.net> In-Reply-To: <30977F3A-59D1-4CA4-BCF6-9062A04CFF44@gmail.com> References: <30977F3A-59D1-4CA4-BCF6-9062A04CFF44@gmail.com>
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I've admittedly been out of action on this for a while, but last time I
checked, the IB network stack could be loaded as a kernel module, but a
build world was still required to add IB support to userland tools. If
this is no longer the case, please excuse my spam.
If kernel stability is still a concern, perhaps we could leave the
kernel module unloaded by default, but eliminate the need for a build
world by enabling IB support by default outside the kernel?
I *will* get back to testing this soon, as I'm in the midst of building
a new 2,000-core HPC cluster and I have servers available to experiment
with. I'm eager to see what kind of performance we can get from a
FreeBSD file server with ZFS and FDR IB.
Regards,
Jason
On 08/07/15 13:32, Garrett Cooper wrote:
> Hi,
> One of the complaints from engineers at Isilon I’ve received in the past is that Infiniband/OFED stack support isn’t enabled by default in GENERIC. I would like to enable it by default in GENERIC to improve test coverage by a general audience and ensure that bugs introduced elsewhere (build bugs, network interface, kernel interface bugs) aren’t ignored by accident when running make tinderbox builds as it’s not built by default.
> I’m considering just doing this for amd64, but I could be convinced to do i386 and other architectures; I can’t guarantee that it will be usable on arm*, mips, powerpc, sparc64, etc though.
> Thanks!
> -NGie
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--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Jason W. Bacon
jwbacon@tds.net
If a problem can be solved,
there's no need to worry.
If it cannot be solved, then
worrying will do no good.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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