The problem indicated by "page allocation failure" and the kernal subsequently "killing" the AidaExecV8 process is due ( it appears ) to memory availability.

Solution 1:- Reduce the amount of memory used for histogramming. That would be by disabling the .V histograms or changing the size of the .H and/or .L histograms from 65536 to 32768 and using the shift attribute in the Options. This will reduce the memory required.

Solution 2:- Change a kernal setting in the /etc/sysctl.conf to request there is always a minimum amount of free memory. Insert the line "vm.min_free_kbytes=4096" in the file.

Solution 2 has been tried on the system in T9 while the flag enabling raw data to be written to disc is set. Previous to the solution, with the same operating conditions,  the fault would occur after about 15 minutes. Subsequent to the solution the system has run for 46 hours.

I propose that the .V histograms are disabled and the kernal setting is used. ( both solutions :-) The .V histograms are a late addition and not required at present.