Apparently that is not supported
Operating system requirements
The following or later versions of the operating system are required for Oracle Database 11g Release 2 (11.2):
Asianux Server 3 SP2
Oracle Linux 4 Update 7
Oracle Linux 5 Update 2
Oracle Linux 5 Update 5 (with the Oracle Unbreakable Enterprise Kernel for Linux)
Red Hat Enterprise Linux 4 Update 7
Red Hat Enterprise Linux 5 Update 2
Red Hat Enterprise Linux 5 Update 5 (with the Oracle Unbreakable Enterprise Kernel for Linux)
SUSE Linux Enterprise Server 10 SP2
SUSE Linux Enterprise Server 11
2.2.2 System Architecture
To determine whether the system architecture can run the software, enter the following command:
uname -m
Note:
Verify that the processor architecture matches the Oracle software release to install. If you do not see the expected output, then you cannot install the software on this system.