Jan Wielkiewicz writes:
> Hello,
> I tried running "guix pull" but it gave me a backtrace.
>
> guix substitute: error: connect: No route to host
> @ substituter-failed
> /gnu/store/c4mzhay8jrg5r43wkn4f9004afvly0ad-po4a-0.57 256 fetching path
> `/gnu/store/c4mzhay8jrg5r43wkn4f9004afvly0ad-po4a-0.57' failed with
> exit code 1 @ substituter-started
> /gnu/store/s6ha2sssblw06sjpw4zawzx98zwbj5m7-graphviz-2.42.3 substitute
> killing process 6694 Backtrace: 11 (primitive-load
> "/gnu/store/lardz9zqi5ypgrdrj6dyfgj9p3bca2ab-compute-guix-derivation")
> In ice-9/eval.scm: 155:9 10 (_ _) 159:9 9 (_
> #(#(#(#(#(#(#(#(#(#(#(#(#(# ?) ?)
> ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?)) In ./guix/store.scm: 2042:24 8
> (run-with-store # _
> #:guile-for-build _ #:system _ #:target _) 1876:8 7 (_ _) In
> ./guix/gexp.scm: 244:18 6 (_ _)
>1064:2 5 (_ _)
> 924:2 4 (_ _)
> 785:4 3 (_ _)
> In ./guix/store.scm:
> 1924:12 2 (_ #)
>1357:5 1 (map/accumulate-builds # 7fe2f10265f0> _ _) 1368:15 0 (_ # 7fe2f10265f0> 7fe2f10265f0> _ _)
>
> ./guix/store.scm:1368:15: ERROR:
> 1. &store-protocol-error:
> message: "some substitutes for the outputs of derivation
> `/gnu/store/bxw2dzjmdrq7qmv0w1mpzqrkfqs9p7q2-po4a-0.57.drv' failed
> (usually happens due to networking issues); try `--fallback' to build
> derivation from source " status: 1 guix pull: error: You found a bug:
> the program
> '/gnu/store/lardz9zqi5ypgrdrj6dyfgj9p3bca2ab-compute-guix-derivation'
> failed to compute the derivation for Guix (version:
> "71992a532dd0bb88b39dda285482b332a24dae66"; system: "x86_64-linux";
> host version: "1192ae940434808560b3170107e4ce44855816c3"; pull-version:
> 1). Please report it by email to .
>
>
> Jan Wielkiewicz
It sounds like perhaps this error was caused by a networking error.
Although much time has passed since you opened this bug report, I think
in situations like this, you can work around the issue by trying the
command with the --fallback option, as the error message suggests. Did
you try that?
You could try something like this:
guix pull --fallback
You could also try building just that one problematic derivation with
fallback, like this:
guix build --fallback
/gnu/store/bxw2dzjmdrq7qmv0w1mpzqrkfqs9p7q2-po4a-0.57.drv
If successful, you can then retry "guix pull" without the --fallback
option, but if a network error was the cause, the same kind of issue
might happen again for any other derivation. Therefore, I would
recommend trying "guix pull --fallback" if this sort of problem happens
frequently for you.
FYI, you can also add "--fallback" to various commands, like "guix
build" and "guix package".
--
Chris
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