Information on "Kadmin.local" database lock error

[Tom Yu]

Abhilash S <abhilashvkm at gmail.com> writes:

> yes correct, Kadmin.local will get database lock only after restarting KDC.
>
> But I can see KDC issues tickets, but "kadmin.local" fails.
>
> kadmin.local fails with message "Cannot lock database while changing
> password for" (I saw this for create/delete priciple operations swell )

That seems to match the symptoms of the Red Hat bug report
https://bugzilla.redhat.com/show_bug.cgi?id=586032

but I would like to understand the failure mode better before applying
that fix.