What does this error mean?

Hi I am new to restic. (using version 0.17.3)
I tried to backup a CIFS mount folder and it ran for a few hours. And when I came back , it completed but with 4 errors like this: (with 4 different files)

error: incomplete metadata for “filename”: xattr.list “filename” resource temporarily unavailable

I did a “check” on the repo. And there are no errors.
I tried restoring the files. It seems fine.

So is my backup ok? what do the errors mean?

Which operating system are you using?

That looks like CIFS temporarily failed to read those extended attributes. Most likely the files don’t even have such an attribute, so there’s probably nothing missing.

The backup will be fine in either case. In the worse case, the extended attributes for those files are missing, but that’s about it.

I am running restic on Linux.
The CIFS mount is from a QNAP NAS.

Has the error showed up again since that backup run? If no, then you can just ignore it.