FWIW the gdb was to show that 0 memory pages was allocated as file_size, aka opt_tc_log_size (24k based on the minimum and default log-tc-size setting), is less than tc_log_page_size (64k Power page size)
(gdb) 146 npages=(uint)file_length/tc_log_page_size; (gdb) p npages $16 = 0 (gdb) p pages $17 = (TC_LOG_MMAP::st_page *) 0x11b324f0 (gdb) p key_memory_TC_LOG_MMAP_pages $18 = 0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1706291 Title: MySQL-5.7: default log-tc-size too small on POWER. 3 * ( 64K page size) minimum needed To manage notifications about this bug go to: https://bugs.launchpad.net/mysql-server/+bug/1706291/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
