Katello2/Foreman1.6-Combo on Centos 6 x86_64, selinux=permissive

Installation-Media is: http://katello2.zuhause-local.de/pulp/repos/Default_Organization/Library/custom/Centos7/os_x86_64/, http://katello2.zuhause-local.de/pulp/repos/Default_Organization/Library/custom/Centos7/os_x86_64/images/ is available and populated.

/var/lib/tftpboot/boot|pxelinux.cfg is writeable for foreman-proxy.

Completed 200 OK in 181ms (Views: 43.1ms | ActiveRecord: 7.0ms)
Processing by ImagesController#index as JSON
Parameters: {"search"=>"operatingsystem=7 architecture=1", "compute_resource_id"=>"1"}
Completed 200 OK in 14ms (Views: 1.7ms | ActiveRecord: 2.2ms)
Processing by HostsController#current_parameters as /*
Parameters: {"utf8"=>"â", "authenticity_token"=>"vIX4QmxAC6jEZpS35VlLPmdrNjJlQKdeUlKIk0fExR4=", "host"=>{"name"=>"bareos", "organization_id"=>"1", "location_id"=>"4", "hostgroup_id"=>"", "compute_resource_id"=>"1", "compute_profile_id"=>"3", "environment_id"=>"1", "content_source_id"=>"1", "puppet_ca_proxy_id"=>"1", "puppet_proxy_id"=>"1", "managed"=>"true", "progress_report_id"=>"[FILTERED]", "type"=>"Host::Managed", "compute_attributes"=>{"cpus"=>"4", "memory"=>"2147483648", "nics_attributes"=>{"new_nics"=>{"type"=>"bridge", "_delete"=>"", "bridge"=>"bond0", "model"=>"virtio"}, "0"=>{"type"=>"bridge", "_delete"=>"", "bridge"=>"br-lab", "model"=>"virtio"}}, "volumes_attributes"=>{"new_volumes"=>{"pool_name"=>"lvm_storage", "capacity"=>"10G", "allocation"=>"0G", "format_type"=>"raw", "_delete"=>""}, "0"=>{"pool_name"=>"lvm_storage", "capacity"=>"10G", "allocation"=>"10G", "format_type"=>"raw", "_delete"=>""}}, "start"=>"1"}, "domain_id"=>"1", "realm_id"=>"", "mac"=>"", "subnet_id"=>"1", "ip"=>"192.168.0.48", "interfaces_attributes"=>{"new_interfaces"=>{"_destroy"=>"false", "type"=>"Nic::Managed", "mac"=>"", "name"=>"", "domain_id"=>"", "ip"=>"", "provider"=>"IPMI"}}, "architecture_id"=>"1", "operatingsystem_id"=>"7", "provision_method"=>"build", "build"=>"1", "ptable_id"=>"", "disk"=>"", "root_pass"=>"[FILTERED]", "is_owned_by"=>"3-Users", "enabled"=>"1", "model_id"=>"", "comment"=>"", "overwrite"=>"false"}, "kt_environment_id"=>"", "capabilities"=>"build image", "provider"=>"Libvirt", "host_id"=>"null"}
Rendered common_parameters/_inherited_parameters.html.erb (0.3ms)
Completed 200 OK in 42ms (Views: 1.0ms | ActiveRecord: 6.2ms)
Client connected.
Connected to server.
Processing by HostsController#create as */
Parameters: {"utf8"=>"â", "authenticity_token"=>"vIX4QmxAC6jEZpS35VlLPmdrNjJlQKdeUlKIk0fExR4=", "host"=>{"name"=>"bareos", "organization_id"=>"1", "location_id"=>"4", "hostgroup_id"=>"", "compute_resource_id"=>"1", "compute_profile_id"=>"3", "environment_id"=>"1", "content_source_id"=>"1", "puppet_ca_proxy_id"=>"1", "puppet_proxy_id"=>"1", "managed"=>"true", "progress_report_id"=>"[FILTERED]", "type"=>"Host::Managed", "compute_attributes"=>{"cpus"=>"4", "memory"=>"2147483648", "nics_attributes"=>{"new_nics"=>{"type"=>"bridge", "_delete"=>"", "bridge"=>"bond0", "model"=>"virtio"}, "0"=>{"type"=>"bridge", "_delete"=>"", "bridge"=>"br-lab", "model"=>"virtio"}}, "volumes_attributes"=>{"new_volumes"=>{"pool_name"=>"lvm_storage", "capacity"=>"10G", "allocation"=>"0G", "format_type"=>"raw", "_delete"=>""}, "0"=>{"pool_name"=>"lvm_storage", "capacity"=>"10G", "allocation"=>"10G", "format_type"=>"raw", "_delete"=>""}}, "start"=>"1"}, "domain_id"=>"1", "realm_id"=>"", "mac"=>"", "subnet_id"=>"1", "ip"=>"192.168.0.48", "interfaces_attributes"=>{"new_interfaces"=>{"_destroy"=>"false", "type"=>"Nic::Managed", "mac"=>"", "name"=>"", "domain_id"=>"", "ip"=>"", "provider"=>"IPMI"}}, "architecture_id"=>"1", "operatingsystem_id"=>"7", "provision_method"=>"build", "build"=>"1", "ptable_id"=>"7", "disk"=>"", "root_pass"=>"[FILTERED]", "is_owned_by"=>"3-Users", "enabled"=>"1", "model_id"=>"", "comment"=>"", "overwrite"=>"false"}, "kt_environment_id"=>"", "capabilities"=>"build image", "provider"=>"Libvirt"}
Adding Compute instance for bareos.zuhause-local.de
Create DHCP reservation for bareos.zuhause-local.de-52:54:00:d0:71:30/192.168.0.48
Add DNS A record for bareos.zuhause-local.de/192.168.0.48
Processing by TasksController#show as /*
Parameters: {"id"=>"9c8909b7-e477-4042-a2fe-9d0e35231217"}
Add DNS PTR record for 192.168.0.48/bareos.zuhause-local.de
Add the TFTP configuration for bareos.zuhause-local.de
Fetching required TFTP boot files for bareos.zuhause-local.de
Fetch TFTP boot files for bareos.zuhause-local.de task failed with the following error: undefined method `path' for nil:NilClass/usr/share/foreman/app/models/operatingsystem.rb:104:in `medium_uri'
/opt/rh/ruby193/root/usr/share/gems/gems/katello-2.0.0/app/models/katello/concerns/redhat_extensions.rb:79:in `medium_uri_with_content_uri'
/opt/rh/ruby193/root/usr/share/gems/gems/katello-2.0.0/app/models/katello/concerns/redhat_extensions.rb:123:in `block in boot_files_uri_with_content'
/opt/rh/ruby193/root/usr/share/gems/gems/katello-2.0.0/app/models/katello/concerns/redhat_extensions.rb:122:in `collect'
/opt/rh/ruby193/root/usr/share/gems/gems/katello-2.0.0/app/models/katello/concerns/redhat_extensions.rb:122:in `boot_files_uri_with_content'
/usr/share/foreman/app/models/operatingsystem.rb:162:in `pxe_files'
/usr/share/foreman/app/models/concerns/orchestration/tftp.rb:39:in `setTFTPBootFiles'
/usr/share/foreman/app/models/concerns/orchestration.rb:137:in `execute'
/usr/share/foreman/app/models/concerns/orchestration.rb:85:in `block in process'
/usr/share/foreman/app/models/concerns/orchestration.rb:77:in `each'
/usr/share/foreman/app/models/concerns/orchestration.rb:77:in `process'
/usr/share/foreman/app/models/concerns/orchestration.rb:18:in `on_save'
/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:660:in `_run__3130267030108022472__save__3703541149600383279__callbacks'
/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:405:in `__run_callback'
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/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:81:in `run_callbacks'
/opt/rh/ruby193/root/usr/share/gems/gems/activerecord-3.2.8/lib/active_record/callbacks.rb:264:in `create_or_update'
/opt/rh/ruby193/root/usr/share/gems/gems/activerecord-3.2.8/lib/active_record/persistence.rb:84:in `save'
/opt/rh/ruby193/root/usr/share/gems/gems/activerecord-3.2.8/lib/active_record/validations.rb:50:in `save'
/opt/rh/ruby193/root/usr/share/gems/gems/activerecord-3.2.8/lib/active_record/attribute_methods/dirty.rb:22:in `save'
/opt/rh/ruby193/root/usr/share/gems/gems/activerecord-3.2.8/lib/active_record/transactions.rb:241:in `block (2 levels) in save'
/opt/rh/ruby193/root/usr/share/gems/gems/activerecord-3.2.8/lib/active_record/transactions.rb:295:in `block in with_transaction_returning_status'
/opt/rh/ruby193/root/usr/share/gems/gems/activerecord-3.2.8/lib/active_record/connection_adapters/abstract/database_statements.rb:192:in `transaction'
/opt/rh/ruby193/root/usr/share/gems/gems/activerecord-3.2.8/lib/active_record/transactions.rb:208:in `transaction'
/opt/rh/ruby193/root/usr/share/gems/gems/activerecord-3.2.8/lib/active_record/transactions.rb:293:in `with_transaction_returning_status'
/opt/rh/ruby193/root/usr/share/gems/gems/activerecord-3.2.8/lib/active_record/transactions.rb:241:in `block in save'
/opt/rh/ruby193/root/usr/share/gems/gems/activerecord-3.2.8/lib/active_record/transactions.rb:252:in `rollback_active_record_state!'
/opt/rh/ruby193/root/usr/share/gems/gems/activerecord-3.2.8/lib/active_record/transactions.rb:240:in `save'
/usr/share/foreman/app/models/concerns/foreman/sti.rb:29:in `save_with_type'
/usr/share/foreman/app/controllers/hosts_controller.rb:90:in `create'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_controller/metal/implicit_render.rb:4:in `send_action'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/abstract_controller/base.rb:167:in `process_action'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_controller/metal/rendering.rb:10:in `process_action'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/abstract_controller/callbacks.rb:18:in `block in process_action'
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/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:215:in `block in conditional_callback_around_9849'
/usr/share/foreman/app/models/concerns/foreman/thread_session.rb:33:in `clear_thread'
/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/callbacks.rb:214:in `_conditional_callback_around_9849'
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/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/action_controller/metal/instrumentation.rb:29:in `process_action'
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/opt/rh/ruby193/root/usr/share/gems/gems/activerecord-3.2.8/lib/active_record/railties/controller_runtime.rb:18:in `process_action'
/opt/rh/ruby193/root/usr/share/gems/gems/actionpack-3.2.8/lib/abstract_controller/base.rb:121:in `process'
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/opt/rh/ruby193/root/usr/share/gems/gems/logging-1.8.1/lib/logging/diagnostic_context.rb:323:in `call'
/opt/rh/ruby193/root/usr/share/gems/gems/logging-1.8.1/lib/logging/diagnostic_context.rb:323:in `block in create_with_logging_context'
Rolling back due to a problem: [Fetch TFTP boot files for bareos.zuhause-local.de 25 failed [#<Host::Managed id: nil, name: "bareos.zuhause-local.de", ip: "192.168.0.48", last_compile: nil, last_freshcheck: nil, last_report: nil, updated_at: nil, source_file_id: nil, created_at: nil, mac: "52:54:00:d0:71:30", root_pass: "$1$jzJJN7Zt$gmpJ2.uUV9RhOCtO.n/w/.", serial: nil, puppet_status: 0, domain_id: 1, architecture_id: 1, operatingsystem_id: 7, environment_id: 1, subnet_id: 1, ptable_id: 7, medium_id: nil, build: true, comment: "", disk: "", installed_at: nil, model_id: nil, hostgroup_id: nil, owner_id: 3, owner_type: "User", enabled: true, puppet_ca_proxy_id: 1, managed: true, use_image: nil, image_file: nil, uuid: "985e4e73-2437-ad08-34ec-fe2846ad13d6", compute_resource_id: 1, puppet_proxy_id: 1, certname: nil, image_id: nil, organization_id: 1, location_id: 4, type: "Host::Managed", otp: nil, realm_id: nil, compute_profile_id: 3, provision_method: "build", content_source_id: 1>, :setTFTPBootFiles]]
Delete the TFTP configuration for bareos.zuhause-local.de
Delete the DNS PTR record for 192.168.0.48/bareos.zuhause-local.de
Rendered tasks/_list.html.erb (0.9ms)
Completed 200 OK in 511ms (Views: 234.4ms | ActiveRecord: 5.0ms)
Delete the DNS A record for bareos.zuhause-local.de/192.168.0.48
Delete DHCP reservation for bareos.zuhause-local.de-52:54:00:d0:71:30/192.168.0.48
Removing Compute instance for bareos.zuhause-local.de
Failed to save: Fetch TFTP boot files for bareos.zuhause-local.de task failed with the following error: undefined method `path' for nil:NilClass
Rendered hosts/_progress.html.erb (0.1ms)
Rendered puppetclasses/_selectedClasses.html.erb (0.0ms)
Rendered puppetclasses/_classes_in_groups.html.erb (0.0ms)
Rendered puppetclasses/_classes.html.erb (0.5ms)
Rendered puppetclasses/_class_selection.html.erb (14.2ms)
Rendered hosts/_compute.html.erb (3.7ms)
Rendered common/_domain.html.erb (10.9ms)
Rendered hosts/_interfaces.html.erb (12.9ms)
Rendered common/os_selection/_architecture.html.erb (3.4ms)
Rendered common/os_selection/_operatingsystem.html.erb (24.4ms)
Rendered hosts/_operating_system.html.erb (142.3ms)
Rendered hosts/_unattended.html.erb (291.0ms)
Rendered puppetclasses/_class_parameters.html.erb (0.0ms)
Rendered puppetclasses/_classes_parameters.html.erb (4.2ms)
Rendered common_parameters/_inherited_parameters.html.erb (0.2ms)
Rendered common_parameters/_puppetclass_parameter.html.erb (1.5ms)
Rendered common_parameters/_puppetclasses_parameters.html.erb (2.6ms)
Rendered common_parameters/_parameter.html.erb (1.0ms)
Rendered common_parameters/_parameters.html.erb (2.3ms)
Rendered hosts/_form.html.erb (374.5ms)
Rendered hosts/new.html.erb within layouts/application (375.1ms)
Rendered home/_user_dropdown.html.erb (2.7ms)
Read fragment views/tabs_and_title_records-3 (0.0ms)
Rendered home/_organization_dropdown.html.erb (4.0ms)
Rendered home/_location_dropdown.html.erb (4.2ms)
Rendered home/_org_switcher.html.erb (10.2ms)
Rendered home/_submenu.html.erb (6.4ms)
Rendered home/_submenu.html.erb (2.4ms)
Rendered home/_submenu.html.erb (2.8ms)
Rendered home/_submenu.html.erb (2.0ms)
Rendered home/_submenu.html.erb (1.9ms)
Rendered home/_submenu.html.erb (2.7ms)
Write fragment views/tabs_and_title_records-3 (0.8ms)
Rendered home/_topbar.html.erb (36.1ms)
Rendered layouts/base.html.erb (37.0ms)
Completed 200 OK in 3934ms (Views: 401.4ms | ActiveRecord: 28.1ms)
Processing by TasksController#show as */
Parameters: {"id"=>"9c8909b7-e477-4042-a2fe-9d0e35231217"}
Rendered tasks/_list.html.erb (0.3ms)
Completed 200 OK in 5ms (Views: 0.8ms | ActiveRecord: 0.7ms)

Looks similar to a problem in http://projects.theforeman.org/issues/7621