bug#36687: guix gc: error: executing SQLite statement: database disk image is malformed

[Ricardo Wurmus <rekado@elephly.net>]

Chris Marusich <cmmarusich@gmail.com> writes:

> My disk was filling up, so I tried to run "guix gc", but I got an error
> instead:
>
> --8<---------------cut here---------------start------------->8---
> $ guix gc -C 25GiB
> ...
> deleting `/gnu/store/n0gyzfw77ik35ld9d0d4737w88f11m4b-profile.drv'
> deleting `/gnu/store/fl7w0dlki7c906isiiflf9ka4c49zcmi-ca-certificate-bundle.drv'
> deleting `/gnu/store/ipn4xvvb3wrbx4lhzwdyyylvj42vyg6f-xdg-desktop-database.drv'
> guix gc: error: executing SQLite statement: database disk image is malformed
> --8<---------------cut here---------------end--------------->8---
>
> What does this mean?

I think this means that the database has been corrupted.

> FYI, I was building one package using my Guix installation via "guix
> build --cores=1", and another package using a Guix checkout via
> "./pre-inst-env guix build --cores", when I decided to run this "guix
> gc" command in another shell.  I don't know if that matters.

I don’t think this is related.

> My expectation is that I can run GC even when building software,
> thanks to the guix-daemon's safe concurrent garbage collection
> algorithm.

That’s correct.

--
Ricardo