ifort 2GB Record Memory Limit Bug on Itanium and Intel 64


Reference Number : DPD200136329


Version : 11.1.035, 11.0.xxx, 10.x, 9.x and earlier


Operating System : Linux* kernel version 2.6.16 and later


Problem Description : Reading/writing files in large chunks (>2GB) may truncate to 2 GB on Linux distros using kernel 2.6.16 or later.  This includes SLES* 10 and 11 and RH EL5*.  Starting with kernel 2.6.16 the behavior of read() and write() has changed effectively limiting single reads and writes to 2GB for the current Intel Fortran compilers.  This applies to both Itanium® and Intel® 64.


Resolution Status : This has been fixed in versions 11.1.046 and later.



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