2012/5/10 Frank Lanitz <[log in to unmask]>

> Am 10.05.2012 13:29, schrieb Nico Kadel-Garcia:
> > Interrupting an RPM or yum operation in mid-stream can cause interesting
> > problems. as can disk problems or overflowing the partition that has
> > /var/lib/rpm on it in mid-deployment.
> >
> > Make sure no one is doing yum or rpm operations, and consider these
> steps:
> >
> >      rpm --rebuilddb # to rebuild the messed up database
>
> Unfortunately this is failing.
>
> # rpm -vv --rebuilddb
> D: rebuilding database /var/lib/rpm into /var/lib/rpmrebuilddb.16419
> D: creating directory /var/lib/rpmrebuilddb.16419
> D: opening old database with dbapi 3
> D: opening  db environment /var/lib/rpm/Packages joinenv
> rpmdb: unable to join the environment
> error: db4 error(11) from dbenv->open: Resource temporarily unavailable
> D: opening  db index       /var/lib/rpm/Packages rdonly mode=0x0
> error: cannot open Packages index using db3 - Resource temporarily
> unavailable (11)
> D: removing directory /var/lib/rpmrebuilddb.16419
> D: May free Score board((nil))
>
> Cheers,
> Frank
>

Can you provide your rpm and db4 versions?
After a quick search I've found this:
http://www.issociate.de/board/post/20046/RPM_issue_on_2.6.5.html
Are you getting any error when running rpm -qa as root?
(don't try that workaround in the link yet).

-- 
Henrique "LonelySpooky" Junior