If you call a mex file from a non-standard location such as an external drive on SELinux, the following error is generated: ERROR: ??? Invalid MEX-file '/media/sda3/.../timestwo.mexglx': /media/sda3/.../timestwo.mexglx: failed to map segment from shared object: Operation not permitted.

Why do I get an error when running the MEX file from a non standard location on SELinux?

MathWorks Support Team

2010 11 月 22

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If you call a mex file from a non-standard location such as an external drive on SELinux, the following error is generated:

 ??? Invalid MEX-file '/media/sda3/.../timestwo.mexglx':
 /media/sda3/.../timestwo.mexglx: failed to map segment from shared
 object: Operation not permitted.

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MathWorks Support Team 2010 年 11 月 22 日

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This issue is specific to bad device loading on SELinux.

As a workaround, copy the MEX file from the non standard location to a standard location such as a subdirectory in your home folder and try loading the MEX file from there.