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Thu, 8 Jul 2021 22:47:21 +0000 Received: by kubenode541.mail-prod1.omega.ne1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 9103a0d63bdac73597ad51d4be392a50; Thu, 08 Jul 2021 22:47:18 +0000 (UTC) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable List-Id: Porting software to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-ports List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-ports@freebsd.org X-BeenThere: freebsd-ports@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.100.0.2.22\)) Subject: Re: Too many pythons in poudriere Message-Id: <4A6DD11F-6C9B-4BE9-81BF-F5B6A40CC08D@yahoo.com> Date: Thu, 8 Jul 2021 15:47:17 -0700 Cc: bob prohaska , freebsd-ports@freebsd.org To: Tatsuki Makino X-Mailer: Apple Mail (2.3654.100.0.2.22) References: <4A6DD11F-6C9B-4BE9-81BF-F5B6A40CC08D.ref@yahoo.com> X-Rspamd-Queue-Id: 4GLWdR0MHdz3Qgm X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=yahoo.com header.s=s2048 header.b=nbeG1XNM; 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TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[98.137.69.205:from]; RWL_MAILSPIKE_POSSIBLE(0.00)[98.137.69.205:from]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-ports] Reply-To: marklmi@yahoo.com From: Mark Millard via freebsd-ports X-Original-From: Mark Millard X-ThisMailContainsUnwantedMimeParts: N From: Tatsuki Makino wrote on Date: Fri, 9 Jul 2021 05:59:52 +0900 : > bob prohaska wrote on 2021/07/09 02:54: > > Started a new swaplog: >=20 > Connect a USB mass storage device that you have no use for. > Mount the file system in it. > Create a file in that file system like dd if=3D/dev/zero = of=3D/mnt/somefile. > Attach it to the memory disk like mdconfig /mnt/somefile. > Add it to the swap. Bob already has the swap space: Device 1K-blocks Used Avail Capacity /dev/da0s2b 1843200 26944 1816256 1% /dev/mmcsd0s2b 1843200 26956 1816244 1% Total 3686400 53900 3632500 1% This is nearly as much as is allowed without getting swapon-time-frame notices of the form: warning: total configured swap (??? pages) exceeds maximum recommended = amount (??? pages). Bob may be stuck with a choice among: A) running the RPi3B (1 GiByte RAM) mistuned such that the above messages are reported (or adjusting other kernel tradeoffs explicitly to avoid the message) vs. B) building www/chromium on another machine that has more RAM then installing the package built on the RPi3B for later use vs. C) giving up on building www/chromium at all, using a pre-built package vs. D) giving up on even using www/chromium on the RPi3B. Bob is familiar with doing (A). I'm the one that requested that he try not doing so as part of trying to isolate a problem building devel/llvm10 . That problem was later identified to be a different issue. (A) does make other kernel resource tradeoffs, either implicitly or explicitly. I do not know how to well manage the tradeoffs involved so I never recommend (A). Others may know what they are doing for making such tradeoffs. However, even if Bob does (A) there may be other issues that he will run into. Form build attempt to build attempt he is having problems leading to massive swap space usage at differing points in the build. The same step sometimes works fine and other times fails. This suggests another issue may be present (racy leak?). > Ask Mark to explain the details to you :) I would never recommend using files for swap space on FreeBSD, only swap partitions. See comments 7 and 8 of: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D206048 for notes from Konstantin Belousov that lead me to not do so. (8 is a reference to other material.) =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)