[Scip] SCIP SoPlex runtime error under Linux 64

[Dimitri Sverdlov]

Hello again,

The following seems to be more a SoPlex problem than a SCIP one, but I 
can reproduce it using SCIP only. I can use CLP instead of SoPlex which 
works fine, so it is not really urgent, but I thought it could be still 
useful to report that problem.

I try to run the Coloring example from SCIP with SoPlex as the LP 
solver. On a Linux 64 server (under Scientific Linux 5.0 or 5.3) I get 
the following runtime error (output.txt attached), which I cannot 
reproduce on my Linux 64 laptop (Ubuntu 9.10).

Attached is also the callstack which I get with gdb, and information 
about the libc version and the cpu.

Further, when running "make test" of SCIP, I get many messages like
(node 8) unresolved numerical troubles in LP 4
(these again I cannot reproduce on my notebook)

Do you have any ideas? It looks like there is something wrong with the 
libc library, did you have any errors like this with old libc versions 
before?

Best regard,
Dimitri

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