- Open Fabrics Enterprise Distribution (OFED)
- ehca in OFED 1.2 Release Notes
- June 2007
+ Open Fabrics Enterprise Distribution (OFED)
+ ehca in OFED 1.2 Release Notes
+
+ June 2007
Overview
--------------------------
In order to set ehca parameters, add the following line(s) to /etc/modprobe.conf:
- options ib_ehca <parameter>=<value>
+ options ib_ehca <parameter>=<value>
whereby <parameter> is one of the following items:
- debug_level debug level (0: no debug traces (default), 1: with debug traces)
- Removed do_mmap() and obsolete prototypes
- Serialized calls to register_mr() (Bugzilla #574)
+Available backports
+-------------------
+- RedHat EL4 up5: 2.6.9-42.ELsmp
+- RedHat EL5: 2.6.18-8.ELsmp
+- SLES10: 2.6.16.21-0.8-smp
+- kernel.org: 2.6.19.x and 2.6.20.x
+
Known Issues
------------
-
1. The device driver normally uses both ports. For using just one port connect
the ports as shown in Figure 1 and load the device driver by running
`modprobe ib_ehca nr_ports=1`.
- --------- IB Card in p570
- |
+ --------- IB Card in p570
+ |
\ /
- +---+
+ +---+
| # |
| # |
| # |
| # | <--- Port 2: NOT CONNECTED
- | # |
- |---|
| # |
+ |---|
| # |
| # |
+ | # |
| # | <--- Port 1: CONNECTED TO THE INFINIBAND SWITCH
| # |
+---+
2. Furthermore the port(s) needs to be connected to an active switch port while
loading the ehca device driver.
-3. ehca does not compile on RedHat EL4 up5 PPC64
+3. RedHat EL5 2.6.18-8.ELsmp
+ User space not supported
+