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Segfault during Fortran I/O on Intel Xeon Processors with Intel TSX Instructions Enabled

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Intel Issue ID: DPD200365860
Affected Products: Intel® Parallel Studio XE 2015 Updates 2-4

Problem Description: A Fortran I/O operation fails with a Segmentation Violation (SIGSEGV) in __lll_unlock_elision. This problem has been observed only on SUSE Linux Enterprise Server 12* (SLES 12) running on Intel® Xeon® processors that have the Intel® Transactional Synchronization Extensions (Intel® TSX) enabled, such as the Intel® Xeon® E7-48xxV3 and 88xxV3 (code name "Haswell-EX") processors. 

Resolution: This problem is caused by a defect in the Intel® Fortran Run-Time Library. It will be fixed in Intel Parallel Studio XE 2015 Update 5.

If you need help with this issue, please contact Intel® Premier Support.


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