Hi,
Indeed. This strongly suggests that some memory corruption, or access of uninitialised memory, is happening.
Did you manage to repeat it with Valgrind? If the problem is memory corruption, it is really hard to tell the origin of the problem from the information given here - the real problem could be in a completely different part of the code...
Yes, I did run using valgrind, while it reported some uninitialized variables, not really any memory corruptions. Attached, the log from node0. Similarly, debug=+d did not help. Where I should add some output to narrow down the place where the corruption happens. R: Jan -- Jan Lindström Principal Engineer MariaDB | MaxScale | skype: jan_p_lindstrom www.skysql.com <http://www.skysql.com/> Twitter <http://twitter.com/skysql> Blog <http://www.skysql.com/blog/> Facebook <http://www.facebook.com/skysql> LinkedIn <http://www.linkedin.com/company/1214250> Google+ <https://plus.google.com/117544963211695643458/posts>