When a package has huge amount of subpackages, package signing fails with something like: glibc-locale failed with "Exception: OSError: [Errno 7] Argument list too long" Need to brake down signing into smaller batches.
https://patchwork.openembedded.org/patch/137545/
*** Bug 11087 has been marked as a duplicate of this bug. ***
Fixed in master: http://git.openembedded.org/openembedded-core/commit/?id=874f5016fd4dc76bc867b68470297fe59e78a9e6