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Wed, 17 Apr 2024 15:57:49 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1rxBPt-0006At-RR for bug-guix@gnu.org; Wed, 17 Apr 2024 15:58:01 -0400 X-Loop: help-debbugs@gnu.org Subject: bug#47543: =?UTF-8?Q?=E2=80=9CRepeated?= allocation of very large =?UTF-8?Q?block=E2=80=9D?= during =?UTF-8?Q?=E2=80=98guix_?= =?UTF-8?Q?pull=E2=80=99?= References: <87v9966r6h.fsf@inria.fr> In-Reply-To: <87v9966r6h.fsf@inria.fr> Resent-From: John Kehayias Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Wed, 17 Apr 2024 19:58:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 47543 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: Ludovic =?UTF-8?Q?Court=C3=A8s?= Cc: 47543@debbugs.gnu.org Received: via spool by 47543-submit@debbugs.gnu.org id=B47543.171338383823376 (code B ref 47543); Wed, 17 Apr 2024 19:58:01 +0000 Received: (at 47543) by debbugs.gnu.org; 17 Apr 2024 19:57:18 +0000 Received: from localhost ([127.0.0.1]:47828 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rxBPB-00064y-Ql for submit@debbugs.gnu.org; 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charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: John Kehayias From: John Kehayias via Bug reports for GNU Guix Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: bug-guix-bounces+larch=yhetil.org@gnu.org X-Migadu-Country: US X-Migadu-Flow: FLOW_IN X-Migadu-Spam-Score: -6.88 X-Spam-Score: -6.88 X-Migadu-Queue-Id: 449296637D X-Migadu-Scanner: mx13.migadu.com X-TUID: ZMf6psWxDGF+ Hello, Just hit this warning and went searching to find this report. On Thu, Nov 23, 2023 at 12:42 PM, Ludovic Court=C3=A8s wrote: > Ludovic Court=C3=A8s skribis: > >> While running =E2=80=98guix pull=E2=80=99, sometime between the actual = =E2=80=98git pull=E2=80=99 (via >> Guile-Git) and channel authentication, I saw the dreaded libgc warning: >> >> Repeated allocation of very large block > > [...] > >> So it might rather be =E2=80=98update-cached-checkout=E2=80=99 that trig= gers it. > > I wonder if this was due to the big checkouts we ended up with so far: > > https://issues.guix.gnu.org/65720 > > Ludo=E2=80=99. In my case, just did a guix pull so I am on 2126dab4cd81db4cbde4566d8c638e45a4c0077c. Pull was fine, but this warning was repeatable on a system reconfigure: --8<---------------cut here---------------start------------->8--- =E2=9D=AF sudo guix system reconfigure ~/.config/guix/config.scm --max-jobs= =3D4 -n GC Warning: Repeated allocation of very large block (appr. size 69632): =09May lead to memory leak and poor performance GC Warning: Repeated allocation of very large block (appr. size 69632): =09May lead to memory leak and poor performance GC Warning: Repeated allocation of very large block (appr. size 69632): =09May lead to memory leak and poor performance GC Warning: Repeated allocation of very large block (appr. size 135168): =09May lead to memory leak and poor performance GC Warning: Repeated allocation of very large block (appr. size 131072): =09May lead to memory leak and poor performance GC Warning: Repeated allocation of very large block (appr. size 69632): =09May lead to memory leak and poor performance GC Warning: Repeated allocation of very large block (appr. size 102400): =09May lead to memory leak and poor performance substitute: updating substitutes from 'https://bordeaux-us-east-mirror.cbai= nes.net/'... 100.0% substitute: updating substitutes from 'https://bordeaux.guix.gnu.org'... 10= 0.0% substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0% substitute: updating substitutes from 'https://substitutes.nonguix.org'... = 100.0% The following derivation would be built: /gnu/store/r9n8vz4s1n7v3551cphrqy0pqyl8wcv0-corectrl-1.3.5.drv 340.3 MB would be downloaded =E2=9D=AF sudo guix system reconfigure ~/.config/guix/config.scm -n GC Warning: Repeated allocation of very large block (appr. size 69632): =09May lead to memory leak and poor performance GC Warning: Repeated allocation of very large block (appr. size 122880): =09May lead to memory leak and poor performance GC Warning: Repeated allocation of very large block (appr. size 69632): =09May lead to memory leak and poor performance GC Warning: Repeated allocation of very large block (appr. size 69632): =09May lead to memory leak and poor performance GC Warning: Repeated allocation of very large block (appr. size 69632): =09May lead to memory leak and poor performance The following derivation would be built: /gnu/store/r9n8vz4s1n7v3551cphrqy0pqyl8wcv0-corectrl-1.3.5.drv 340.3 MB would be downloaded =E2=9D=AF sudo guix system reconfigure ~/.config/guix/config.scm --max-jobs= =3D4 GC Warning: Repeated allocation of very large block (appr. size 69632): =09May lead to memory leak and poor performance GC Warning: Repeated allocation of very large block (appr. size 69632): =09May lead to memory leak and poor performance GC Warning: Repeated allocation of very large block (appr. size 69632): =09May lead to memory leak and poor performance GC Warning: Repeated allocation of very large block (appr. size 131072): =09May lead to memory leak and poor performance The following derivation will be built: /gnu/store/r9n8vz4s1n7v3551cphrqy0pqyl8wcv0-corectrl-1.3.5.drv 340.3 MB will be downloaded adwaita-icon-theme-44.0 904KiB = 108.0MiB/s 00:00 =E2=96=95=E2=96=88=E2=96=88= =E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88= =E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88= =E2=96=8F 100.0% guix substitute: warning: download from 'https://bordeaux-us-east-mirror.cb= aines.net/nar/lzip/c2brbsvn75866l81rswb7z8sdpw2dvjr-font-abattis-cantarell-= 0.303-0.e049149' failed: 404, "Not Found" retrying download of '/gnu/store/c2brbsvn75866l81rswb7z8sdpw2dvjr-font-abat= tis-cantarell-0.303-0.e049149' with other substitute URLs... substitution of /gnu/store/5in68ily7wjj8jy67kyj8sikwmci894j-ath9k-htc-ar7010-firmware-1.4.0 complete --8<---------------cut here---------------end--------------->8--- this last one continued until I killed it to send capture the previous output and send it. --8<---------------cut here---------------start------------->8--- =E2=9D=AF free -h total used free shared buff/cache avai= lable Mem: 15Gi 10Gi 3.4Gi 706Mi 2.4Gi = 4.8Gi Swap: 15Gi 4.1Gi 11Gi --8<---------------cut here---------------end--------------->8--- But since interrupting the reconfigure, it doesn't give the warning again. So something happened by actually starting the reconfigure process...? I don't think I've ever seen this before. Hope this helps! John