Bug ID 21220126
Issue: After installing Oracle Linux 7.1 using an ISO image mounted in UEFI Boot mode, the server hangs, and can not boot with an Oracle 10Gb Ethernet Adapter card installed.
Affected software: Oracle Linux 7.1
Workaround: Update to Unbreakable Enterprise Kernel (UEK) (3.10.0-229.el7.x86_64) or above.