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Tue, 03 Sep 2024 09:09:42 -0700 (PDT) From: Simon Tournier In-Reply-To: <1cf310cf-8d7f-4f6d-9b07-397ebdaa1ffc@app.fastmail.com> (Zack Weinberg's message of "Tue, 03 Sep 2024 11:30:41 -0400") References: <8f273f8d-50db-463b-a0c1-cff561661f7e@app.fastmail.com> <87ed60u7hc.fsf@gmail.com> <1cf310cf-8d7f-4f6d-9b07-397ebdaa1ffc@app.fastmail.com> Date: Tue, 03 Sep 2024 18:09:39 +0200 Message-ID: <874j6wsoqk.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain; 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: , 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-Queue-Id: 9287B3891E X-Migadu-Scanner: mx13.migadu.com X-Migadu-Spam-Score: -10.42 X-Spam-Score: -10.42 X-TUID: kQZzyHFnqblI Hi, On Tue, 03 Sep 2024 at 11:30, "Zack Weinberg" wrote: > I reconfigured my Guix system to avoid the bug, so I cannot easily > trigger it anymore. However, this is not a bug that would go away by > accident. Yes for sure, that=E2=80=99s not what I meant. :-) This can happen if a cycle is introduced, i.e., package foo depending on package foo. Or it can happen for other reasons, as it seems the case here. Well, this bug seems an instance of bug#47543 [1]. 1: bug#47543: =E2=80=9CRepeated allocation of very large block=E2=80=9D dur= ing =E2=80=98guix pull=E2=80=99 Ludovic Court=C3=A8s Thu, 01 Apr 2021 16:00:06 +0200 id:87v9966r6h.fsf@inria.fr https://issues.guix.gnu.org/47543 https://issues.guix.gnu.org/msgid/87v9966r6h.fsf@inria.fr https://yhetil.org/guix/87v9966r6h.fsf@inria.fr > Also, I don't know what "guix time-machine" does but I would not > expect "guix describe" to use substantial amounts of memory. You need > to run a command that computes a large derivation, such as "guix pull" > or "guix system reconfigure". =E2=80=9Cguix time-machine=E2=80=9D runs =E2=80=9Cguix pull=E2=80=9D, other= said: guix time-machine -q --commit=3De4aabf42b33346849cb565199cfafc49d4f0ae= ff \ -- time-machine -q --commit=3D46a64c7fdd057283063aae6df058579bb07c4b= 6a \ -- describe is more or less equivalent to: guix pull --commit=3De4aabf42b33346849cb565199cfafc49d4f0aeff -p /tmp/h= ost /tmp/host/bin/guix pull --commit=3D46a64c7fdd057283063aae6df058579bb07c= 4b6a which minimicks what you ran. Indeed, I=E2=80=99ve run it on my machine an= d not inside some VM with constrained memory. However, considering bug#47543 [1], I am not convinced the crash comes from this constrained memory. Hum, maybe it=E2=80=99s worth merging with bug#47543 [1]. WDYT? Cheers, simon