[Mesa-users] System crashes when evolving beyond zams

YASH MEHUL MEHTA yashmehta at iisc.ac.in
Fri Apr 16 14:55:11 UTC 2021


Update: I increased the RAM of my Virtual machine by ~200MB (to the max permissible setting) and minimised the number of background processes; now the simulation runs upto the 1023th iteration before crashing.
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From: Mesa-users <mesa-users-bounces at lists.mesastar.org> on behalf of YASH MEHUL MEHTA via Mesa-users <mesa-users at lists.mesastar.org>
Sent: 16 April 2021 20:16
To: mesa-users at lists.mesastar.org <mesa-users at lists.mesastar.org>
Subject: [Mesa-users] System crashes when evolving beyond zams

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Hi
My name is Yash Mehta, I am running mesa-r15140 on my virtual machine with 7000MB RAM. (I am running ubuntu16.04 on my windows10 home, 8gb Dell XPS 15)
Evolving a star upto zams is causing no issues, but when trying to evolve a 15M_sun star with initial z=0.0001 beyond zams, the system crashes somewhere midway (typically after 1011th iteration; zams is reached at 938th iteration)
Right before the system crashes, the terminal shows (after the data about the 1011th iteration):
"write /home/yash/Downloads/mesa-r15140/data/eosDT_data/cache/mesa-FreeEOS_00z10x.bin"
"write /home/yash/Downloads/mesa-r15140/data/eosDT_data/cache/mesa-FreeEOS_02z10x.bin"
Is the issue simply lack of RAM or could it be something else? Also, is there a way out?
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