Created attachment 460209 [details]
root.log as created by koji build process

Description of problem:

using Koji(on EL5) as build system, building for EL5 and EL6 is not possible, where EL5 builds succeed but EL6 fail with the errors:

DEBUG util.py:256:  ERROR with rpm_check_debug vs depsolve:
DEBUG util.py:256:  rpmlib(FileDigests) is needed by pam-1.1.1-4.el6.x86_64
DEBUG util.py:256:  rpmlib(PayloadIsXz) is needed by pam-1.1.1-4.el6.x86_64
...


Version-Release number of selected component (if applicable):
yum-3.2.22-26.el5.centos
koji-1.3.1-1

How reproducible:
when koji build environment is setup, everytime


Steps to Reproduce:
1. install koji as described at http://fedoraproject.org/wiki/Koji/ServerHowTo
2. configure external repo's as described at http://fedoraproject.org/wiki/Koji/ExternalRepoServerBootstrap
3. import a source RPM build on EL5
4. build the package using koji build --scratch <tag> <pkg>
  
Actual results:
BuildrootError: could not init mock buildroot, mock exited with status 30; see root.log for more information

DEBUG backend.py:603:  /usr/bin/yum --installroot /var/lib/mock/dist-el6-build-7-18/root/  groupinstall build
DEBUG util.py:291:  Executing command: /usr/bin/yum --installroot /var/lib/mock/dist-el6-build-7-18/root/  groupinstall build
...
DEBUG util.py:256:  Total download size: 88 M
DEBUG util.py:256:  ERROR with rpm_check_debug vs depsolve:
DEBUG util.py:256:  rpmlib(FileDigests) is needed by pam-1.1.1-4.el6.x86_64
DEBUG util.py:256:  rpmlib(PayloadIsXz) is needed by pam-1.1.1-4.el6.x86_64
DEBUG util.py:256:  rpmlib(FileDigests) is needed by rpm-libs-4.8.0-10.el6.x86_64
DEBUG util.py:256:  rpmlib(PayloadIsXz) is needed by rpm-libs-4.8.0-10.el6.x86_64
...


Expected results:


Additional info: