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Doctor our orphaned locks #535

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opened 2024-09-26 13:13:28 +00:00 by raito · 0 comments
raito commented 2024-09-26 13:13:28 +00:00
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Is your feature request related to a problem? Please describe.

I'm frustrated when I am looking why I get locking issues when actually I got a locking issue someday and I don't realize that no one is owning the lock and I would like Nix to cleanup all ongoing lock issues.

Describe the solution you'd like

  • nix doctor store-locks would look in /nix/store for individual store paths lock and advise whether they need to be removed (and could do the removal without the unsafe mounting)

Describe alternatives you've considered

Fix the root cause but heh.

## Is your feature request related to a problem? Please describe. I'm frustrated when I am looking why I get locking issues when actually I got a locking issue someday and I don't realize that no one is owning the lock and I would like Nix to cleanup all ongoing lock issues. ## Describe the solution you'd like - `nix doctor store-locks` would look in `/nix/store` for individual store paths lock and advise whether they need to be removed (and could do the removal without the unsafe mounting) ## Describe alternatives you've considered Fix the root cause but heh.
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Affects/CppNix

Probably affects CppNix. This is a best-effort tag for troubles in old code; it exists to inform the CppNix team about problems they might care about also.

  
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Found in Lix nightly.

  
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Tag for regressions in Lix nightly. We intend to fix all of these prior to releases.

  
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Affects the stable release of Lix. Usually such issues affect nightly too but there is no guarantee.

  
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regarding the building or packaging of Lix itself

  
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The command line interface of Lix

  
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libexpr and anything else related to the evaluation of Nix expressions

  
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Fetching sources or other materials from the World Wide Web in Lix

  
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Area/language

language design, features, extensions, etc

  
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Lix's own CI and deployment pipeline

  
Area/nix-eval-jobs

nix-eval-jobs for Lix

  
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profiles: nix-env, nix profile, and installer flavors all alike

  
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The protocol, used for communicating between the client and the daemon

  
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remote builds

  
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The --debugger that brings up a Lix repl

  
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libstore and anything else relating to the Nix store

  
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it's a bug

  
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crash 💥

Lix crashes (possibly bad error handling)

  
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E/easy

bug is relatively simple and could simply be fixed with some minor effort

  
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this issue should probably be solved with close involvement of an expert

  
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maintainers may not get to this soon, but we want it fixed

  
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This bug is reproducible and obvious.

  
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this bug cannot be fixed properly without fixing a known architectural flaw

  
imported

Issue imported from upstream nix (please do not remove this label, it will cause dupes if import is rerun)

  
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Affects specifically Lix on Linux

  
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performance

make lix go faster

  
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We chose not to change this (see issue comments for more detail).

  
testing

Tests that should be added

  
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Tests that are unreliable/flakey (not to be confused with flakes that test)

  
Topic/Large Scale Installations

Large scale installations of Lix, e.g. NixOS Hydra, Lix CI, big corporate installations etc.

  
ux

makes the user experience better :)

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Reference: lix-project/lix#535
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