Date: Mon, 10 Jun 2013 19:05:19 +0200 From: Julian Stecklina <jsteckli@os.inf.tu-dresden.de> To: Anthony Cornehl <accornehl@gmail.com> Cc: freebsd-infiniband@freebsd.org Subject: Re: ib1: timing out; N sends not completed Message-ID: <51B6074F.3080202@os.inf.tu-dresden.de> In-Reply-To: <CAAoDvRzFihpPGLBjkE=Gx%2BunbHnfOD06rM88V8vfN3gihsG1AQ@mail.gmail.com> References: <51B5D798.5090008@os.inf.tu-dresden.de> <CAAoDvRzFihpPGLBjkE=Gx%2BunbHnfOD06rM88V8vfN3gihsG1AQ@mail.gmail.com>
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[-- Attachment #1 --] On 06/10/2013 06:03 PM, Anthony Cornehl wrote: > > On Jun 10, 2013 6:41 AM, "Julian Stecklina" > <jsteckli@os.inf.tu-dresden.de <mailto:jsteckli@os.inf.tu-dresden.de>> > wrote: >> >> Hello, >> >> I have two machines connected back-to-back via Infiniband with Mellanox >> Infinihost III adapters. One machine runs Linux (Fedora 19) and the >> other 9-STABLE. >> >> I sometimes get: >> >> ib1: timing out; 47 sends not completed >> ib1: timing out; 1 sends not completed >> ib1: timing out; 56 sends not completed >> >> or similar and TCP connections will be stuck after each timeout for a >> while. It is relatively easy to reproduce this behavior with NetPIPE. >> >> Any advice? >> >> Julian >> > > Hey Julian, > > Just some questions to try and clarify the issue... > > - which machine is the OpenSM master running on? The Linux box: opensm-3.3.15 > - what does your qkey violation count look like when you run a portinfo > on the ports? Is there a way to do this from the command line? I can only find the corresponding C function. > - does the issue persist when a switch is added between the hosts? I can't tell you, because I don't have one available right now. Julian [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (GNU/Linux) iEYEARECAAYFAlG2B08ACgkQ2EtjUdW3H9lHVwCfTRtDs7zS5qYom+mZsnmBG1JV sGkAoM0AGTmjb3MHGmPdqF09eDz5TJ1W =gr5x -----END PGP SIGNATURE-----help
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