Gavin Ge <[email protected]> writes: > Hi All: > > Hope everyone enjoy a nice holiday. I just got a problem with matsetvalues > function when I mute the debugging option. A segmentation violation error > jumps out when I set value for the very first element in the matrix. There is > no problem for me to run the program when turning on the debugging option. I > just want to tune this for better performance. Or is it better to turn on the > debugging option? Could anybody help me with this? Thanks!
Run in a debugger and get a stack trace. You can configure the non-debug PETSC_ARCH with COPTFLAGS='-O0 -g' to ensure that debugging symbols are available.
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