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Looks like a mysqld crash. From the logs: 150518 13:33:39 [Note] Plugin 'FEDERATED' is disabled. 150518 13:33:39 InnoDB: The InnoDB memory heap is disabled 150518 13:33:39 InnoDB: Mutexes and rw_locks use GCC atomic builtins 150518 13:33:39 InnoDB: Compressed tables use zlib 1.2.8 150518 13:33:39 InnoDB: Using Linux native AIO 150518 13:33:39 InnoDB: Initializing buffer pool, size = 128.0M 150518 13:33:39 InnoDB: Completed initialization of buffer pool 150518 13:33:39 InnoDB: highest supported file format is Barracuda. 150518 13:33:39 InnoDB: Error: space id and page n:o stored in the page InnoDB: read in are 0:148898068, should be 0:276! 150518 13:33:39 InnoDB: Assertion failure in thread 140361329260416 in file fut0lst.ic line 83 InnoDB: Failing assertion: addr.page == FIL_NULL || addr.boffset >= FIL_PAGE_DATA InnoDB: We intentionally generate a memory trap. InnoDB: Submit a detailed bug report to http://bugs.mysql.com. InnoDB: If you get repeated assertion failures or crashes, even InnoDB: immediately after the mysqld startup, there may be InnoDB: corruption in the InnoDB tablespace. Please refer to InnoDB: http://dev.mysql.com/doc/refman/5.5/en/forcing-innodb-recovery.html InnoDB: about forcing recovery. 11:33:39 UTC - mysqld got signal 6 ; If you could figure out how to reproduce this problem from a fresh installation, then this would be most helpful. ** Summary changed: - package mysql-server-5.5 5.5.43-0ubuntu0.14.10.1 failed to install/upgrade: Unterprozess installiertes post-installation-Skript gab den Fehlerwert 1 zurück + InnoDB crashes with assertion failure in file fut0lst.ic line 83 (addr.page == FIL_NULL || addr.boffset >= FIL_PAGE_DATA) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1456167 Title: InnoDB crashes with assertion failure in file fut0lst.ic line 83 (addr.page == FIL_NULL || addr.boffset >= FIL_PAGE_DATA) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mysql-5.5/+bug/1456167/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs