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Date:      Tue, 27 Aug 2019 14:41:29 +1000
From:      Justin Clift <justin@postgresql.org>
To:        Jason Bacon <bacon4000@gmail.com>
Cc:        Hans Petter Selasky <hps@selasky.org>, freebsd-infiniband@freebsd.org, owner-freebsd-infiniband@freebsd.org
Subject:   Re: Kernel modules
Message-ID:  <141d6ade245d08a4b29a0b49310c16bd@postgresql.org>
In-Reply-To: <d4185139-f16e-51e4-222e-d2f6215b81c5@gmail.com>
References:  <0eba9ec9-692f-7677-2b10-4e67a232821c@gmail.com> <f3f94452-155f-79f4-72d8-bf65760ae5b0@selasky.org> <598a58f0-89b8-d00d-5ed7-74dd7005950f@gmail.com> <73ce0738-4d63-2f25-2ff6-00f0092de136@selasky.org> <2090dd24-db43-b689-4289-f50bd70090ea@gmail.com> <6673df26-8bba-ebd3-b2c5-d7e9c97db557@gmail.com> <d82f3a60-6ad4-dba8-a15b-355a536a9a83@gmail.com> <bd42597e-2981-4667-468e-b008b9be290b@selasky.org> <2f4d9a14-4ff6-0d34-06f0-bbb4ac76c6bd@gmail.com> <5166ec29-876b-0bd3-8a84-8a222647e87a@gmail.com> <b6e6f8931f59fb2ecf985478ea4d77b7@postgresql.org> <236a3839-e880-ab17-146a-4521d1894813@gmail.com> <ea3b8d21-3ce0-17ea-1e04-a84ef7c81baa@gmail.com> <691d5884-6947-8044-ecf6-05ab97e9faca@gmail.com> <bb497012-81c9-f05a-6d1a-6061fa731348@selasky.org> <d4185139-f16e-51e4-222e-d2f6215b81c5@gmail.com>

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On 2019-08-26 23:39, Jason Bacon wrote:
> On 2019-08-26 08:13, Hans Petter Selasky wrote:
<snip>
>> Mellanox found a bug in ipoib which can lead to similar sympthoms that 
>> you see. Can you try the attached patch?
>> 
>> Thank you!
<snip>
> That's great to hear...
> 
> Unfortunately, I no longer have admin access to a large cluster with
> Mellanox HCAs, as I just changed jobs.
> 
> I did my best to thoroughly test FreeBSD IB before I left my old
> position.  This was the only outstanding issue with the FreeBSD file
> server I was testing, so if this fix resolves it, I would say that
> FreeBSD is production-ready for IB clusters.

That would be welcome news.  People still turn up in the FreeNAS Forums
from time to time, looking for IB support.  It'd be nice to have stable
IB drivers, suitable for adding to the FreeNAS image. :)

+ Justin



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