https://community.intel.com/t5/Intel-Fortran-Compiler/ifort-v11-1-059-and-higher-hangs-on-program-that-compiles-with/m-p/747271#M4870 I confirmed this defect is fixed in our internal 11.1 development compiler. I expect the fix to be in the next <STRONG>11.1 Update 7</STRONG> tentatively scheduled for later this month. Tue, 03 Aug 2010 10:17:47 GMT Kevin_D_Intel 2010-08-03T10:17:47Z https://community.intel.com/t5/Intel-Fortran-Compiler/ifort-v11-1-059-and-higher-hangs-on-program-that-compiles-with/m-p/747269#M4868 The attached program compiles with ifort v10.1.015. A similar program (from which this one is derived) compiled with ifort v11.1.056. But with v11.1.059, the compilation hangs -- no error message, just a lot of CPU being used and no output. The problem was also confirmed for v11.1.069 and 11.1.072.<BR /><BR />Here is the output with v10.1.015 -- all good. Compilation takes about 2 seconds.<BR />$ ifort -logo<BR />Intel Fortran Compiler for applications running on Intel 64, Version 10.1 Build 20080312 Package ID: l_fc_p_10.1.015<BR />Copyright (C) 1985-2008 Intel Corporation. All rights reserved.<BR /><BR />$ ifort -c fwrap2.f90<BR />fwrap2.f90(2001): (col. 21) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(2001): (col. 21) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(2001): (col. 21) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(2001): (col. 21) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(2001): (col. 21) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(2001): (col. 21) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(1915): (col. 16) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(1915): (col. 16) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(1915): (col. 16) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(1915): (col. 16) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(1915): (col. 16) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(1915): (col. 16) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(1915): (col. 16) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(1915): (col. 16) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(1825): (col. 29) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(1825): (col. 29) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(1825): (col. 29) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(1797): (col. 21) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(1797): (col. 21) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(1797): (col. 21) remark: LOOP WAS VECTORIZED.<BR />fwrap2.f90(1797): (col. 21) remark: LOOP WAS VECTORIZED.<BR /><BR />With v11.1.059, however, the compilation never completes and gives no output:<BR /><BR />$ ifort -logo<BR />Intel Fortran Intel 64 Compiler Professional for applications running on Intel 64, Version 11.1 Build 20091012 Package ID: l_cprof_p_11.1.059<BR />Copyright (C) 1985-2009 Intel Corporation. All rights reserved.<BR /><BR />$ ifort -c fwrap2.f90<BR /><BR />and nothing more.<BR /><BR />I assume this is a compiler bug. Where should I report it? Is there a workaround?<BR /><BR />Thanks from a newbie.<BR /><BR /><BR /><BR /><BR /> Mon, 14 Jun 2010 23:49:02 GMT https://community.intel.com/t5/Intel-Fortran-Compiler/ifort-v11-1-059-and-higher-hangs-on-program-that-compiles-with/m-p/747269#M4868 kddevin 2010-06-14T23:49:02Z https://community.intel.com/t5/Intel-Fortran-Compiler/ifort-v11-1-059-and-higher-hangs-on-program-that-compiles-with/m-p/747270#M4869 <P>Reporting it here is all that's needed and thank you for doing so. It appears the hang occurs in the front-end so I don't have an immediate work-around to offer. I willdig further and also reportit to Development (provide an internal tracking id below) and update this post as I learn more.</P><P>(Internal tracking id: DPD200157069)<BR /><BR /><STRONG>(Resolution Update on 08/31/2010):</STRONG> This defect is fixed in the Intel Fortran Compiler Professional Edition <STRONG>11.1 Update 7</STRONG> (11.1.073 - Linux).</P> Tue, 15 Jun 2010 11:14:37 GMT https://community.intel.com/t5/Intel-Fortran-Compiler/ifort-v11-1-059-and-higher-hangs-on-program-that-compiles-with/m-p/747270#M4869 Kevin_D_Intel 2010-06-15T11:14:37Z https://community.intel.com/t5/Intel-Fortran-Compiler/ifort-v11-1-059-and-higher-hangs-on-program-that-compiles-with/m-p/747271#M4870 I confirmed this defect is fixed in our internal 11.1 development compiler. I expect the fix to be in the next <STRONG>11.1 Update 7</STRONG> tentatively scheduled for later this month. Tue, 03 Aug 2010 10:17:47 GMT https://community.intel.com/t5/Intel-Fortran-Compiler/ifort-v11-1-059-and-higher-hangs-on-program-that-compiles-with/m-p/747271#M4870 Kevin_D_Intel 2010-08-03T10:17:47Z https://community.intel.com/t5/Intel-Fortran-Compiler/ifort-v11-1-059-and-higher-hangs-on-program-that-compiles-with/m-p/747272#M4871 Thank you, Kevin. Is there a way I can try the development compiler on our larger library code? The example I posted was extracted from the library code. Tue, 03 Aug 2010 16:07:09 GMT https://community.intel.com/t5/Intel-Fortran-Compiler/ifort-v11-1-059-and-higher-hangs-on-program-that-compiles-with/m-p/747272#M4871 kddevin 2010-08-03T16:07:09Z https://community.intel.com/t5/Intel-Fortran-Compiler/ifort-v11-1-059-and-higher-hangs-on-program-that-compiles-with/m-p/747273#M4872 Unfortunately, no. The compilers are not in packaged form and are somewhat untested. If convenient, I would happily test the larger code if you want to provide that. You can take the thread private and post the code then delete once I have in-hand. Tue, 03 Aug 2010 16:18:58 GMT https://community.intel.com/t5/Intel-Fortran-Compiler/ifort-v11-1-059-and-higher-hangs-on-program-that-compiles-with/m-p/747273#M4872 Kevin_D_Intel 2010-08-03T16:18:58Z https://community.intel.com/t5/Intel-Fortran-Compiler/ifort-v11-1-059-and-higher-hangs-on-program-that-compiles-with/m-p/747274#M4873 The <STRONG>11.1 Update 7</STRONG> (11.1.073 - Linux) containing this fix is now available from the Intel Registration Center: <A href="https://registrationcenter.intel.com">https://registrationcenter.intel.com</A> Tue, 31 Aug 2010 08:22:38 GMT https://community.intel.com/t5/Intel-Fortran-Compiler/ifort-v11-1-059-and-higher-hangs-on-program-that-compiles-with/m-p/747274#M4873 Kevin_D_Intel 2010-08-31T08:22:38Z