From debbugs-submit-bounces@debbugs.gnu.org Tue May 31 10:32:49 2022 Received: (at 55639) by debbugs.gnu.org; 31 May 2022 14:32:49 +0000 Received: from localhost ([127.0.0.1]:48607 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nw2vQ-0001fa-Va for submit@debbugs.gnu.org; Tue, 31 May 2022 10:32:49 -0400 Received: from eggs.gnu.org ([209.51.188.92]:57266) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nw2vK-0001fE-5p for 55639@debbugs.gnu.org; Tue, 31 May 2022 10:32:47 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:38540) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nw2vE-0004fK-TQ; Tue, 31 May 2022 10:32:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:In-Reply-To:Date:References:Subject:To: From; bh=2WQEl8SRxRVxfF+mFCYV+vviJ4lPESpnuIEeURmLhRo=; b=m3Ui5/wWyVSkunDNulDC qNtfnQM7UWf9hyLQcQu3ZiLfcr/V6PeyYWR1UHP6yL3L+fQZsSET/iMFCWIl0tr+TsXgwQjWlM8lE lI1jI5J++VfBSaPVUMssIt9fZZYpROJ4vPo/ZqBtYoza77AUaDuRd9pBqyqFQ3oaciKbNqlSiFT8v qc1lcacT21K7i+h4UM0m7z2+bkyE6922PS4ACA9lmv79X/MNsSMIqZOutYkg5GEndRbKYgX7KaXEx eQSiJg8IQ3VWYbOqA00lzBc26JUyd5utzUZJTZ2/PdeKlJxDmSm9zx7BR4LykmbEih0z8kxIe/SCb nxrmfPVPhiStAw==; Received: from [193.50.110.143] (port=47188 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nw2vE-0000ih-Fp; Tue, 31 May 2022 10:32:36 -0400 From: =?utf-8?Q?Ludovic_Court=C3=A8s?= To: zimoun Subject: Re: bug#55639: time-machine back in 2020: weird error References: <87czg1cz87.fsf@gmail.com> Date: Tue, 31 May 2022 16:32:34 +0200 In-Reply-To: <87czg1cz87.fsf@gmail.com> (zimoun's message of "Wed, 25 May 2022 19:13:12 +0200") Message-ID: <87ilplydq5.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 55639 Cc: 55639@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) Hi, zimoun skribis: >>From 9d795fb, I get on machine A, > > $ guix time-machine --commit=3Da7b20226b2 -- build hello > [...] > Backtrace: > 1 (primitive-load "/home/simon/.cache/guix/inferiors/wulv?") > In guix/ui.scm: > 1936:12 0 (run-guix-command _ . _) > > guix/ui.scm:1936:12: In procedure run-guix-command: > Throw to key `match-error' with args `("match" "no matching pattern" # /gnu/store/5bdaayvl6cs8nrdivskz4dbrsy2m009c-bootstrap-binaries-0 7f= cda0633a50>)'. Works for me: --8<---------------cut here---------------start------------->8--- $ guix describe Generation 216 May 30 2022 00:00:02 (current) guix 98e2f4f repository URL: https://git.savannah.gnu.org/git/guix.git branch: master commit: 98e2f4fbebb8b08784401e2095123fcd3d3a32cb $ guix time-machine --commit=3Da7b20226b2 -- build hello guile: warning: failed to install locale /gnu/store/a462kby1q51ndvxdv3b6p0rsixxrgx1h-hello-2.10 --8<---------------cut here---------------end--------------->8--- > Last, on machine B, the time-machine just works. Maybe it is related to > NVMe and something like [1]. This looks like something different, but it=E2=80=99s very weird. The unhe= lpful =E2=80=98match-error=E2=80=99 seems to occur early on: --8<---------------cut here---------------start------------->8--- $ head -1942 ~/.cache/guix/inferiors/wulvgnewx2av6dvgkq6adku4kzmlva75l2gukn= dywh7wvzenkmoa/share/guile/site/3.0/guix/ui.scm | tail -12 ;; Disable canonicalization so we don't don't stat unreasonably. (with-fluids ((%file-port-name-canonicalization #f)) (dynamic-wind (const #f) (lambda () (apply command-main args)) (lambda () ;; Abuse 'exit-hook' (which is normally meant to be used by the ;; REPL) to run things like profiling hooks upon completion. (run-hook exit-hook))))))) (define (run-guix . args) --8<---------------cut here---------------end--------------->8--- Does =E2=80=9Cguix time-machine --commit=3Da7b20226b2 -- help=E2=80=9D work= for you? Can you fiddle at the REPL and try to see more precisely what=E2=80=99s fai= ling? guix time-machine --commit=3Da7b20226b2 -- repl -q Thanks, Ludo=E2=80=99.