[bgl-discuss] crashes in VN mode

[Boyana Norris <norris@xxxxxxxxxxx>]

I've been running some (16 and 32-processor) GYRO simulations, built with
/home/norris/software/bin/mpif90 (rip-off of Satish's version, just
changed from f77 to f90), and the following optimization options:

-qbgl -qarch=440d -qtune=440 
-qcache=level=1:type=i:size=32:line=32:assoc=64:cost=8 
-qcache=level=1:type=d:size=32:line=32:assoc=64:cost=8 
-qcache=level=2:type=c:size=4096:line=128:assoc=8:cost=40 -qhot=simd -O3

This runs fine in coprocessor mode but crashes (with core dump) in vn mode
after the initialization of the simulation otherwise.

I'm starting to experiment with different compiler options, but wanted to 
ask in the meanwhile if compiling with the intention of running in virtual 
node mode is supposed to be done differently than when running in 
coprocessor mode?

Also, what debugger should I be using and how (in conjunction with 
mpirun)? 

Thanks!
Boyana

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