Ludovic Courtès <[email protected]> writes:
> The error message that’s haunting us:
>
> opening file `/gnu/store/….drv': No such file or directory
>
> comes from guix-daemon. It happens while the client is doing an
> ‘add-text-to-store’ RPC to add that .drv to the store.
> ‘LocalStore::addTextToStore’ supposedly creates the .drv file in
> /gnu/store and then reads it back (‘registerValidPath’ -> ‘addValidPath’
> -> ‘readDerivation’ -> ‘readFile’): this is where it gets ENOENT.
>
> It would suggest that the database is consistent, but that somehow
> writes don’t go through the overlay FS.
Most interesting.
I saw a comment
> void LocalStore::registerValidPaths(const ValidPathInfos & infos)
> {
> /* SQLite will fsync by default, but the new valid paths may not be
> fsync-ed.
> * So some may want to fsync them before registering the validity, at the
> * expense of some speed of the path registering operation. */
> if (settings.syncBeforeRegistering) sync();
In vain, I therefore tried
diff --git a/nix/libstore/globals.cc b/nix/libstore/globals.cc
index d4f9a46a74..5f8a3a3031 100644
--- a/nix/libstore/globals.cc
+++ b/nix/libstore/globals.cc
@@ -40,7 +40,7 @@ Settings::Settings()
reservedSize = 8 * 1024 * 1024;
fsyncMetadata = true;
useSQLiteWAL = true;
- syncBeforeRegistering = false;
+ syncBeforeRegistering = true;
useSubstitutes = true;
useChroot = false;
impersonateLinux26 = false;
But it changes nothing.
Regards,
Florian
