F8 Yum hangs at Running Transaction Test

[Clodoaldo]

F8 F8 Yum hangs at Running Transaction Test:

# yum update bash
fedora                    100% |=========================| 2.1 kB    00:00
primary.sqlite.bz2        100% |=========================| 5.8 MB    01:14
updates                   100% |=========================| 2.3 kB    00:00
primary.sqlite.bz2        100% |=========================| 1.7 MB    00:25
Excluding Packages in global exclude list
Finished
Setting up Update Process
Resolving Dependencies
--> Running transaction check
---> Package bash.x86_64 0:3.2-19.fc8 set to be updated
--> Finished Dependency Resolution

Dependencies Resolved

=============================================================================
 Package                 Arch       Version          Repository        Size
=============================================================================
Updating:
 bash                    x86_64     3.2-19.fc8       updates           1.8 M

Transaction Summary
=============================================================================
Install      0 Package(s)
Update       1 Package(s)
Remove       0 Package(s)

Total download size: 1.8 M
Is this ok [y/N]: y
Downloading Packages:
(1/1): bash-3.2-19.fc8.x8 100% |=========================| 1.8 MB    00:28
Running rpm_check_debug
Running Transaction Test

I tried this without success:
# yum clean all
# rm -f __db*
# rpm --initdb

Regards, Clodoaldo Pinto Neto