guix-copy 32-bit integer limit

`guix copy` seems unable to deal with store items larger than

2**32 bytes (about 4.3 GiB).

(ins)efraim@3900XT ~$ guix copy --from=192.168.1.196 /gnu/store/0f8pgl9cyh8bknl50nw6yj9wykzm6ymc-texlivetexmf-20230313

retrieving 1 store item from '192.168.1.196'...

guix copy: error: implementation cannot deal with > 32-bit integers

(ins)efraim@3900XT ~$ ssh 192.168.1.196 du -sch /gnu/store/0f8pgl9cyh8bknl50nw6yj9wykzm6ymc-texlivetexmf-20230313

7.5G /gnu/store/0f8pgl9cyh8bknl50nw6yj9wykzm6ymc-texlivetexmf-20230313

7.5G total

--

Efraim Flashner <efraim@flashner.co.il> ????? ?????

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Hi Efraim,

Efraim Flashner <efraim@flashner.co.il> skribis:

Hmm that vaguely rings a bell, but we’ve had things like texlive-texmf

from the start and I think we’ve definitely been able to fetch them via

the offload/copy code.

Are you able to copy other store items from that host? Could there be

another issue leading to a bogus diagnostic?

Thanks,

Ludo’.

On Mon, Sep 04, 2023 at 11:55:19PM +0200, Ludovic Courtès wrote:

ins)efraim@3900XT ~$ ssh 192.168.1.196 guix archive --export --recursive /gnu/store/0f8pgl9cyh8bknl50nw6yj9wykzm6ymc-texlivetexmf-20230313 | guix archive --import

guix archive: error: hash of path `/gnu/store/0f8pgl9cyh8bknl50nw6yj9wykzm6ymc-texlivetexmf-20230313' has changed from `33df143f9607fcdbd0be68ee7612779d330ac2fefad5749429b8a5b5d2931886' to `ea77f319bd62d0c53b132d545e44a41baea385fd49ad21a94402299b09488085'!

Backtrace:

13 (primitive-load "/home/efraim/.config/guix/current/bin/…")

In guix/ui.scm:

2323:7 12 (run-guix . _)

2286:10 11 (run-guix-command _ . _)

In ice-9/boot-9.scm:

1752:10 10 (with-exception-handler _ _ #:unwind? _ # _)

In guix/status.scm:

859:3 9 (_)

839:4 8 (call-with-status-report _ _)

In ice-9/boot-9.scm:

1752:10 7 (with-exception-handler _ _ #:unwind? _ # _)

In guix/store.scm:

659:37 6 (thunk)

1298:8 5 (call-with-build-handler #<procedure 7f934bb31f30 at g…> …)

1719:22 4 (import-paths #<store-connection 256.99 7f934be42f50> #)

729:14 3 (process-stderr _ _)

In guix/serialization.scm:

122:12 2 (write-bytevector #vu8(0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 …) …)

In ice-9/boot-9.scm:

1685:16 1 (raise-exception _ #:continuable? _)

1685:16 0 (raise-exception _ #:continuable? _)

ice-9/boot-9.scm:1685:16: In procedure raise-exception:

In procedure modulo: Wrong type argument in position 1: #<eof>

I'm running `guix gc --verify=contents,repair` on the other machine now

to make sure there's nothing wrong with the archive item.

--

Efraim Flashner <efraim@flashner.co.il> ????? ?????

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