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Thu, 8 Jul 2021 22:51:43 +0000 Received: by kubenode520.mail-prod1.omega.ne1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 14659c7fdf4f90e1d3d48f044d58be0e; Thu, 08 Jul 2021 22:51:40 +0000 (UTC) Content-Type: text/plain; charset=us-ascii 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 In-Reply-To: <4A6DD11F-6C9B-4BE9-81BF-F5B6A40CC08D@yahoo.com> Date: Thu, 8 Jul 2021 15:51:38 -0700 Cc: bob prohaska , freebsd-ports@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: References: <4A6DD11F-6C9B-4BE9-81BF-F5B6A40CC08D@yahoo.com> To: Tatsuki Makino X-Mailer: Apple Mail (2.3654.100.0.2.22) X-Rspamd-Queue-Id: 4GLWkT0pV4z3RFy X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=yahoo.com header.s=s2048 header.b=k5HVW3Nb; dmarc=pass (policy=reject) header.from=yahoo.com; spf=pass (mx1.freebsd.org: domain of marklmi@yahoo.com designates 98.137.69.31 as permitted sender) smtp.mailfrom=marklmi@yahoo.com X-Spamd-Result: default: False [-1.82 / 15.00]; TO_DN_SOME(0.00)[]; MV_CASE(0.50)[]; FREEMAIL_FROM(0.00)[yahoo.com]; R_SPF_ALLOW(-0.20)[+ptr:yahoo.com]; DKIM_TRACE(0.00)[yahoo.com:+]; DMARC_POLICY_ALLOW(-0.50)[yahoo.com,reject]; FREEMAIL_TO(0.00)[hotmail.com]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[yahoo.com]; ASN(0.00)[asn:36647, ipnet:98.137.64.0/20, country:US]; MID_RHS_MATCH_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[yahoo.com:dkim]; ARC_NA(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[98.137.69.31:from]; R_DKIM_ALLOW(-0.20)[yahoo.com:s=s2048]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_SPAM_SHORT(0.68)[0.676]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; SPAMHAUS_ZRD(0.00)[98.137.69.31:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[98.137.69.31:from]; RWL_MAILSPIKE_POSSIBLE(0.00)[98.137.69.31: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 On 2021-Jul-8, at 15:47, Mark Millard wrote: > From: Tatsuki Makino wrote on > Date: Fri, 9 Jul 2021 05:59:52 +0900 : >=20 >> 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. >=20 > Bob already has the swap space: >=20 > Device 1K-blocks Used Avail Capacity > /dev/da0s2b 1843200 26944 1816256 1% > /dev/mmcsd0s2b 1843200 26956 1816244 1% > Total 3686400 53900 3632500 1% >=20 > This is nearly as much as is allowed I should have said something like "on a 1 GiByte RAM machine" here in the sentence that I've split with this note. > without getting > swapon-time-frame notices of the form: >=20 > warning: total configured swap (??? pages) exceeds maximum recommended = amount (??? pages). >=20 > Bob may be stuck with a choice among: >=20 > 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. >=20 > 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. >=20 > 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?). >=20 >> Ask Mark to explain the details to you :) >=20 >=20 > I would never recommend using files for swap space on > FreeBSD, only swap partitions. See comments 7 and 8 of: >=20 > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D206048 >=20 > for notes from Konstantin Belousov that lead me to > not do so. (8 is a reference to other material.) >=20 =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)