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" #<derivation /gnu/store/c6hgmfq0i4zgryqyl0ab1ms51fnrkmdv-bootstrap-binaries-0.drv => /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: <https://issues.guix.gnu.org/41264> Cheers, simon