The rights for /var/lock are set in the baselayout ebuild with: "kdir -o root -g uucp -m0755 /var/lock". So, members of uucp cannot create new lockfiles as they should. When starting minicom it complains about not being able to create a lockfile. Reproducible: Always Steps to Reproduce: 1. Just start minicom as a member of uucp, but not as root the fix is simple, the line in the baselayout ebuild should read: "kdir -o root -g uucp -m0775 /var/lock" instead of "...-m0755..." In the meantime you can just "chmod g+w /var/lock".
*** This bug has been marked as a duplicate of 48016 ***