3. Do you see this consistently or it is intermittent.
4. What kind of stress test is being done. (If you have a small reproducible scenario that you can share with us on generic data that would help accelerate this).
5. Do you see any error on any of the nodes before/during SST. This should be available in log files.
Thanks for reporting. Can you share more data
1. You configuration (my.cnf).
2. What crash do you hit on node-1.
3. Do you see this consistently or it is intermittent.
4. What kind of stress test is being done. (If you have a small reproducible scenario that you can share with us on generic data that would help accelerate this).
5. Do you see any error on any of the nodes before/during SST. This should be available in log files.