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aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=gnu.org header.s=fencepost-gnu-org header.b="m3Ui5/wW"; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of "bug-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="bug-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -5.04 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=gnu.org header.s=fencepost-gnu-org header.b="m3Ui5/wW"; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of "bug-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="bug-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 89CDB2E64F X-Spam-Score: -5.04 X-Migadu-Scanner: scn0.migadu.com X-TUID: B7w0ErOnFhcP 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.