It looks like you have a couple of RAID controllers in the machine. Do you have them configured with and volumes, etc?
0003:04:00.0 RAID bus controller [0104]: IBM PCI-E IPR SAS Adapter (ASIC) [1014:034a] (rev 01) Subsystem: IBM PCIe3 x8 Cache SAS RAID Internal Adapter 6Gb (57D8) [1014:03fe]0003:04:00.0 RAID bus controller [0104]: IBM PCI-E IPR SAS Adapter (ASIC) [1014:034a] (rev 01) Subsystem: IBM PCIe3 x8 Cache SAS RAID Internal Adapter 6Gb (57D8) [1014:03fe] ** Tags added: kernel-da-key -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1371634 Title: block devices appear twice To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1371634/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs