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[24.18.44.142]) by smtp.gmail.com with ESMTPSA id h1sm7856pfq.137.2021.04.08.09.37.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Apr 2021 09:37:13 -0700 (PDT) From: Chris Marusich To: Vincent Legoll Subject: Re: Please review blog post draft: powerpc64le-linux support References: <87a6qbc28m.fsf@gmail.com> <87r1jlnojn.fsf@gmail.com> Date: Thu, 08 Apr 2021 09:37:09 -0700 In-Reply-To: (Vincent Legoll's message of "Thu, 8 Apr 2021 12:49:28 +0200") Message-ID: <87mtu8ohqi.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" Received-SPF: pass client-ip=2607:f8b0:4864:20::1033; envelope-from=cmmarusich@gmail.com; helo=mail-pj1-x1033.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: guix-devel Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Migadu-Flow: FLOW_IN ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1617900098; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:in-reply-to:in-reply-to: references:references:list-id:list-help:list-unsubscribe: list-subscribe:list-post:dkim-signature; bh=cqHznAcfBAfPf+++02Mng8zFQQnb+gyVhWI6i+SWp9A=; b=Eb8Bf/lXI5YhVKrkDO8NxCybdsYS2j5kmiPTCqs+adXiGAeZh3feapJlh01r2hKC52tJeK L3bZmDz7wMSE8nXEnK3EYcTxuZOtvrSdU+RVmI6912tSnHs45HR/4dRtfT1kmaPBQTvwFb dN5wzXh4U635X64tvVCrgModuGD7ESXZXd/s8KBYzw9BRey/F5ckJ7NgeVEOh9uWe9kLW8 sSN37MSAnZb59UN65hBtExrSgmU0nimt+i0CVDDEErvMf5GAhZoHaTcA8v2Jki/6iRRNQx JEr4NTvy4t+uxPntq+tylwMU/O+KmtVGsvSv6UBgV0RATqAq1a2pXlrelyOuhw== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1617900098; a=rsa-sha256; cv=none; b=FIntvissJpHjzua7wbZ/ENVQHPZJnuH19iutLGPsEUyUU9EmdXEjpS9R+uTC5TvR/ftvrv 4kUd6rysiYzdSUF/E8Vng4/10gdpgoC+fiRjl7pNtz7y1WB+YDjEsmF9+TiIPEihHdZCa9 LZEjgI/rjNKKFOIOz7mlsm9mxEra0s4nWWNHXQ23iblqx5TS6qsP7marXNs4s/hnYkDHrz cGIPrmuQsnPt2LBOBgU+iP6LTTRH4J4ZvwqXR6YO485BDCX3CwdbfnSdJh+AhkygmxHTll aU1we6qF/FQs/sB/Tyihgp6oLo34SDucEM05WDCuCPUEW/83kZDWwY1ySryHHA== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20161025 header.b=bn7fasen; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (aspmx1.migadu.com: domain of guix-devel-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-devel-bounces@gnu.org X-Migadu-Spam-Score: -5.24 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20161025 header.b=bn7fasen; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (aspmx1.migadu.com: domain of guix-devel-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-devel-bounces@gnu.org X-Migadu-Queue-Id: 4229BF7BA X-Spam-Score: -5.24 X-Migadu-Scanner: scn0.migadu.com X-TUID: 1p27Vuo5/TwB --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Vincent Legoll writes: > Why only speaking of Talos and not about the 3rd option: the blackbird ? > Maybe just concentrate on the vendor, more than on particular models... I specifically avoided speaking about the Blackbird, only because it's not yet RYF-certified. However, perhaps I'm being too strict about it. I actually own a Blackbird, myself. I chose to buy it instead of the Talos II or Talos II Lite because of its physically smaller form factor and its lower cost. I don't know why it isn't RYF-certified yet, but according to this Phoronix article, they are "pursuing RYF certification" for Blackbird, too: https://www.phoronix.com/scan.php?page=3Dnews_item&px=3DFSF-RYF-Talos-II Raptor Computing Systems claims that the Blackbird is "completely blob free": https://twitter.com/RaptorCompSys/status/1048373354695208960 They also say in that Twitter thread: "We have been putting together our systems from blob-free components only (sans NIC as is known and being actively worked), and this is an area where no low-cost blob-free silicon is available right now." However, the Talos II and Blackbird both use the same NIC, so I guess that wouldn't stop it from meeting the RYF requirements: https://wiki.raptorcs.com/wiki/Talos_II Networking: 2x GbE (Broadcom BCM5719) https://wiki.raptorcs.com/wiki/Blackbird Networking: 3x GbE (Broadcom BCM5719) See also: https://wiki.raptorcs.com/wiki/BCM5719 "As the BCM5719 is the only on-board device on the non-SAS Talos=E2=84=A2 II variants to use proprietary firmware, Raptor Computing Systems has started a contest to see who can create a truly libre replacement firmware[1]. Anyone with the appropriate skill set is encouraged to take up the challenge, and contributions to this page as the device is analyzed in detail are welcomed. While the BCM5719 does, at least for now, execute proprietary firmware it is prevented from corrupting the operating system and/or other protected memory regions via the system IOMMU[2]." Thinking about this more, I think we should mention Blackbird in our blog post as a more affordable option. Let's explain that it doesn't yet have RYF certification, but the platform is very similar to the Talos II, and Raptor Computing Systems is currently pursuing RYF certification for it, too. =2D-=20 Chris --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQJJBAEBCAAzFiEEy/WXVcvn5+/vGD+x3UCaFdgiRp0FAmBvMTUVHGNtbWFydXNp Y2hAZ21haWwuY29tAAoJEN1AmhXYIkad6IQP/iOM4n02TiDuCHiHocRh+YPd5tLW lEXfERG/OCb3BS1ckcWXikqUrZnrpq9HUh9TBsFIzLlYJZ4P7nCahqB2w+Smn2sU 3/LjJjBSMY7DUbP0ljSoqP7MnbHFPWj87thA3SLxvfIkuwQA3KQjNdUNG8w2v9ge 3Vqdj3ZKW/PI5wd8Z2k4DltBdulWThCZ+reTYl+x2YEHWrzFMAFS7OZ1FRJ2gLNL dH3gXGSqZ98wkdI4fy++UNIs6B66pBATyX5v7RMoHqCFZLhs6ZeOlXYHm0QNwxAj TxZylMSGLL3JSJQiY+l6xM+2eE7hEk/wypzZU+VlrbOC9oEfyFub0TI6J1mmEVaH 0cPvGtNyeGs0SplvD8z1qs5iJYT68NGnk9dUEy8k8pO5Rok5CWUK/XvAUH+PZNLd k2/o5JKbM6NVaUkMgFhN5bxs4wqXUh0D//6M8xE53vqVffyLe9RygVao7ksFbq9a mM35+xe995JbMTihHbEf+udTsiIhNhhDpKNqmI1Mozeq5bNJT3E/GIB+SIGCFhV1 xiRG20yn9lUbPr0633lPHO0fHta+rX3Yjx1ERUiof813NRUE4urNJzt8/vNDd6mr Uy7O9v5/PjTgl/Q8Ehn87eiWMNi9hc59kz4az6gvYZkGxYWtmNXzDUvJEE9w6yYr Xy23DpreDS3ynpmi =WcpR -----END PGP SIGNATURE----- --=-=-=--