Thomas Quinn

Unfortunately, I'm still getting the hang after #3765 was merged.

Update: when I get to a point where CkIO hangs, I can get through the problematic CkIO session by restarting from the last checkpoint with `++ppn 1`. Furthermore, once the...

I discovered this while investigating #3678 so it may be related.

This crash can be reproduced on stampede3 by compiling ChaNGa, changing to the "teststep" directory and running: `../ChaNGa.smp ++ppn 12 -n 1000 -oi 10 +setcpuaffinity +commap 0,1 +pemap 2-46:2,3-47:2 -binout...

Just to raise awareness of this bug: the documentation for CkIO in docs/libraries refers to Ck::IO::Options PE placement options that don't work. In particular, "skipPEs" is actually "1" and can't...

Another documentation/implementation problem: the "activePEs" is essentially ignored. The number of PEs used for writing is set by the file size and the stripe size.