Date: Mon, 26 Aug 2019 08:39:52 -0500 From: Jason Bacon <bacon4000@gmail.com> To: Hans Petter Selasky <hps@selasky.org>, freebsd-infiniband@freebsd.org Subject: Re: Kernel modules Message-ID: <d4185139-f16e-51e4-222e-d2f6215b81c5@gmail.com> In-Reply-To: <bb497012-81c9-f05a-6d1a-6061fa731348@selasky.org> 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>
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On 2019-08-26 08:13, Hans Petter Selasky wrote: > On 2019-04-18 14:52, Jason Bacon wrote: >> >> My NFS over IB has been generally working well, but it's going down=20 >> under very heavy load.=C2=A0 It's getting consistently triggered by 25= 6=20 >> I/O-intensive processes across about a dozen compute nodes. >> >> The server remains up and responsive, but ib0 is running out of=20 >> buffer space and going down. >> > > Hi Jason, > > Mellanox found a bug in ipoib which can lead to similar sympthoms that = > you see. Can you try the attached patch? > > Thank you! > > --HPS That's great to hear... Unfortunately, I no longer have admin access to a large cluster with=20 Mellanox HCAs, as I just changed jobs. I did my best to thoroughly test FreeBSD IB before I left my old=20 position.=C2=A0 This was the only outstanding issue with the FreeBSD file= =20 server I was testing, so if this fix resolves it, I would say that=20 FreeBSD is production-ready for IB clusters. --=20 Earth is a beta site.
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