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[174.102.163.140]) by smtp.gmail.com with ESMTPSA id u198sm1221593oie.26.2019.03.18.06.56.46 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 18 Mar 2019 06:56:46 -0700 (PDT) Subject: Re: Kernel modules To: Hans Petter Selasky , "freebsd-infiniband@freebsd.org" References: <0eba9ec9-692f-7677-2b10-4e67a232821c@gmail.com> From: Jason Bacon Message-ID: <598a58f0-89b8-d00d-5ed7-74dd7005950f@gmail.com> Date: Mon, 18 Mar 2019 08:56:43 -0500 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.5.3 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-Rspamd-Queue-Id: DAEB18A5F7 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=UWdlVsX+; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of bacon4000@gmail.com designates 2607:f8b0:4864:20::344 as permitted sender) smtp.mailfrom=bacon4000@gmail.com X-Spamd-Result: default: False [-4.38 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; NEURAL_HAM_SHORT(-0.90)[-0.896,0]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; MID_RHS_MATCH_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-infiniband@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[4.4.3.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; IP_SCORE(-0.47)[ip: (2.53), ipnet: 2607:f8b0::/32(-2.75), asn: 15169(-2.09), country: US(-0.07)] X-BeenThere: freebsd-infiniband@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Infiniband on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Mar 2019 13:56:50 -0000 On 3/18/19 7:55 AM, Hans Petter Selasky wrote: > On 3/18/19 1:32 PM, Jason Bacon wrote: >> >> Anyone using the kernel modules lately? >> >> After building per the instructions on the wiki >> (https://wiki.freebsd.org/InfiniBand): >> >> <<>> /home/bacon 1005 # kldload ibcore >> kldload: an error occurred while loading module ibcore. Please check >> dmesg(8) for more details. >> >> dmesg: >> >> link_elf_obj: symbol if_index undefined >> linker_load_file: /boot/modules/ibcore.ko - unsupported file type > > Hi, > > You built the KMODs out of the kernel? Try adding > DEBUG_FLAGS="-DVIMAGE=1" to your out of tree build. > > --HPS I used the script for building kernel modules (which I wrote and posted at https://wiki.freebsd.org/InfiniBand a few years ago, based on advice from a Mellanox developer at the time).  This will show exactly what I did. Hoping there's a simple fix for this. In theory, it should now be possible to enable IB support on a stock FreeBSD system in a few minutes, since we should be able to use loadable modules instead of doing a buildkernel, and IB support is now included in the base, making buildworld unnecessary: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211761 This is a big step toward enabling the use of stock FreeBSD systems in HPC. I had successfully used the IB stack before by loading the modules and doing a buildworld. Regards,     JB -- Earth is a beta site.