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| author | Glenn Johnson <glenn-johnson@uiowa.edu> | 2020-01-28 14:57:06 -0600 |
|---|---|---|
| committer | Adam J. Stewart <ajstewart426@gmail.com> | 2020-01-28 14:57:06 -0600 |
| commit | 48a12c8773295f95caa08a77bb660a7ed221995c (patch) | |
| tree | a19b61831a89859a68519fc094127fac8619a06f /lib/spack/docs/config_yaml.rst | |
| parent | 52ab2421bb5aeba38ec47bbb88b75d21d8793387 (diff) | |
| download | spack-48a12c8773295f95caa08a77bb660a7ed221995c.tar.gz spack-48a12c8773295f95caa08a77bb660a7ed221995c.tar.bz2 spack-48a12c8773295f95caa08a77bb660a7ed221995c.tar.xz spack-48a12c8773295f95caa08a77bb660a7ed221995c.zip | |
Note about Intel compiler segfault with long paths (#14652)
This PR adds a note about segfaults with the Intel compiler when the
install paths are long and the dependencies many.
Diffstat (limited to 'lib/spack/docs/config_yaml.rst')
| -rw-r--r-- | lib/spack/docs/config_yaml.rst | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/lib/spack/docs/config_yaml.rst b/lib/spack/docs/config_yaml.rst index a64ab27282..865845b274 100644 --- a/lib/spack/docs/config_yaml.rst +++ b/lib/spack/docs/config_yaml.rst @@ -30,11 +30,21 @@ Default is ``$spack/opt/spack``. ``install_hash_length`` and ``install_path_scheme`` --------------------------------------------------- -The default Spack installation path can be very long and can create -problems for scripts with hardcoded shebangs. There are two parameters -to help with that. Firstly, the ``install_hash_length`` parameter can -set the length of the hash in the installation path from 1 to 32. The -default path uses the full 32 characters. +The default Spack installation path can be very long and can create problems +for scripts with hardcoded shebangs. Additionally, when using the Intel +compiler, and if there is also a long list of dependencies, the compiler may +segfault. If you see the following: + + .. code-block:: console + + : internal error: ** The compiler has encountered an unexpected problem. + ** Segmentation violation signal raised. ** + Access violation or stack overflow. Please contact Intel Support for assistance. + +it may be because variables containing dependency specs may be too long. There +are two parameters to help with long path names. Firstly, the +``install_hash_length`` parameter can set the length of the hash in the +installation path from 1 to 32. The default path uses the full 32 characters. Secondly, it is also possible to modify the entire installation scheme. By default Spack uses |