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aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=gmail.com header.s=20210112 header.b=Od0aP1It; dmarc=fail reason="SPF not aligned (relaxed)" header.from=gmail.com (policy=none); 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: 4.66 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=gmail.com header.s=20210112 header.b=Od0aP1It; dmarc=fail reason="SPF not aligned (relaxed)" header.from=gmail.com (policy=none); 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: 97051F21B X-Spam-Score: 4.66 X-Migadu-Scanner: scn0.migadu.com X-TUID: GeUrlXp3x2ny Hi, >From 9d795fb, I get on machine A, --8<---------------cut here---------------start------------->8--- $ guix time-machine --commit=a7b20226b2 -- 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 7fcda0633a50>)'. --8<---------------cut here---------------end--------------->8--- where it reads: --8<---------------cut here---------------start------------->8--- $ guix gc --list-live | grep c6hgmfq0i4zgryqyl0ab1ms51fnrkmdv finding garbage collector roots... determining live/dead paths... /gnu/store/c6hgmfq0i4zgryqyl0ab1ms51fnrkmdv-bootstrap-binaries-0.drv $ guix gc --list-dead | grep 5bdaayvl6cs8nrdivskz4dbrsy2m009c finding garbage collector roots... determining live/dead paths... /gnu/store/5bdaayvl6cs8nrdivskz4dbrsy2m009c-bootstrap-binaries-0 $ guix build /gnu/store/c6hgmfq0i4zgryqyl0ab1ms51fnrkmdv-bootstrap-binaries-0.drv /gnu/store/5bdaayvl6cs8nrdivskz4dbrsy2m009c-bootstrap-binaries-0 --8<---------------cut here---------------end--------------->8--- Last, on machine B, the time-machine just works. Maybe it is related to NVMe and something like [1]. Well, I still do not understand why the time-machine raises an error when the store have the necessary item. Any idea? 1: Cheers, simon