Open Fabrics Enterprise Distribution (OFED)
- Version 1.2
+ Version 1.2.c
Installation Guide
- June 2007
+ July 2007
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Table of contents
1. Overview
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-This is the OpenFabrics Enterprise Distribution (OFED) version 1.2
+This is the OpenFabrics Enterprise Distribution (OFED) version 1.2.c
software package supporting InfiniBand and iWARP fabrics. It is composed
of several software modules intended for use on a computer cluster
constructed as an InfiniBand subnet or an iWARP network.
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4. Fixed Bugs since OFED 1.2.c-8
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-1. Kernel oops in IPoIB on restart of the driver
+1. Kernel oops in IPoIB on restart of the driver.
+2. IPoIB CM is now the default.
Bugs fixed in each package are reported in the package's release notes.
stop the old OFED version before uninstalling it.
Workaround: Stop the old OFED stack (/etc/init.d/openibd stop) before
upgrade to OFED 1.2.
-1. Memory registration by the user is limited according to the administrator
+2. It is not recommended to use MPI with SRQ on ConnectX.
+3. Memory registration by the user is limited according to the administrator
setting. See "Pinning (Locking) User Memory Pages" in OFED_tips.txt for
system configuration.
-2. Fork support from kernel 2.6.12 and above is available provided
+4. Fork support from kernel 2.6.12 and above is available provided
that applications do not use threads. The fork() is supported as long
as the parent process does not run before the child exits or calls exec().
The former can be achieved by calling wait(childpid), and the latter can be
achieved by application specific means. The Posix system() call is
supported.
-3. The ipath driver is supported only on 64-bit platforms.
-4. There are issues using Intel's MPI with the Qlogic card driver that cause
+5. The ipath driver is supported only on 64-bit platforms.
+6. There are issues using Intel's MPI with the Qlogic card driver that cause
failures.
Note: See the release notes of each component for additional issues.
- Query QP and SRQ are now supported.
- Internal error flow was added
- Number of QPs that can be attached to the same multicast group increased to 56.
+- Itanium is now supported.
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5. Known Issues