[CP2K:5276] "Illegal instruction"

David Abergel david.... at nordita.org
Tue May 13 08:38:29 UTC 2014

Yes, I'm not sure why I didn't think to try gdb. Thanks for the reminder.

Doing this showed that the failure was in the blas library - the dynamic 
linker had found a libblas.so that was not part of atlas. When I changed 
the arch file to point the linker towards the static library from atlas, 
the QS tests all run without a hitch.

Sorry for taking your time with such a trivial question.


On Tuesday, 13 May 2014 10:11:40 UTC+2, IBethune wrote:
> You can also check where the crash occurs by opening the core file using 
> the gdb debugger e.g.
> gdb “path_to_exe” “path_to_core”
> Then typing ‘bt’ to get a backtrace.  This might give some indication of 
> which library and/or part of CP2K the crash originated from.
> Cheers
> - Iain
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