There are some static (and thus, unresolved) functions in the most interesting part of the stacktrace. Can you show the output of:
addr2line /path/to/xtrabackup -fie 0x77091f 0x771add 0x77c7d0
There are some static (and thus, unresolved) functions in the most interesting part of the stacktrace. Can you show the output of:
addr2line /path/to/xtrabackup -fie 0x77091f 0x771add 0x77c7d0