我的笔记本电脑版本7中有两个版本的xampp（良好且正常工作）和xampp不兼容v5.6.28。我尝试了很多调整，我更改了端口mysql.ini，httpd等。删除了mysql数据中不重要的文件。任何人都可以帮我解决这个问题。
2015-11-10 15:26:56 10fc InnoDB: Warning: Using
innodb_additional_mem_pool_size is DEPRECATED. This option may be removed in
future releases, together with the option innodb_use_sys_malloc and with the
InnoDB's internal memory allocator.
2015-11-10 15:26:56 4348 [Note] InnoDB: Using mutexes to ref count buffer pool pages
2015-11-10 15:26:56 4348 [Note] InnoDB: The InnoDB memory heap is disabled
2015-11-10 15:26:56 4348 [Note] InnoDB: Mutexes and rw_locks use Windows
interlocked functions
2015-11-10 15:26:56 4348 [Note] InnoDB: Memory barrier is not used
2015-11-10 15:26:56 4348 [Note] InnoDB: Compressed tables use zlib 1.2.3
2015-11-10 15:26:56 4348 [Note] InnoDB: Not using CPU crc32 instructions
2015-11-10 15:26:56 4348 [Note] InnoDB: Initializing buffer pool, size = 16.0M
2015-11-10 15:26:56 4348 [Note] InnoDB: Completed initialization of buffer pool
2015-11-10 15:26:56 4348 [Note] InnoDB: Highest supported file format is Barracuda.
2015-11-10 15:26:57 4348 [Note] InnoDB: 128 rollback segment(s) are active.
2015-11-10 15:26:57 4348 [Note] InnoDB: Waiting for purge to start
2015-11-10 15:26:57 4348 [Note] InnoDB: Percona XtraDB
(http://www.percona.com) 5.6.26-74.0 started; log sequence number 1835027
2015-11-10 15:26:57 6140 [Note] InnoDB: Dumping buffer pool(s) not yet started
2015-11-10 15:26:57 4348 [Note] Plugin 'FEEDBACK' is disabled.
2015-11-10 15:26:57 4348 [Note] Server socket created on IP: '::'.
2015-11-10 15:26:57 4348 [Note] Event Scheduler: Loaded 0 events
2015-11-10 15:26:57 4348 [Note] C:\xampp\mysql\bin\mysqld.exe: ready for connections.
Version: '10.1.8-MariaDB' socket: '' port: 3306 mariadb.org binary distribution
2015-11-10 15:27:11 5152 [Note] C:\xampp\mysql\bin\mysqld.exe: Normal shutdown
2015-11-10 15:27:11 5152 [Note] Event Scheduler: Purging the queue. 0 events
2015-11-10 15:27:11 5732 [Note] InnoDB: FTS optimize thread exiting.
2015-11-10 15:27:11 5152 [Note] InnoDB: Starting shutdown...
2015-11-10 15:27:13 5152 [Note] InnoDB: Shutdown completed; log sequence number 1835037
2015-11-10 15:27:13 5152 [Note] C:\xampp\mysql\bin\mysqld.exe: Shutdown complete
有时它堆积在“试图启动mysql应用程序...”，有时会发生此错误。
Error: MySQL shutdown unexpectedly.
2:43:47 PM [mysql] This may be due to a blocked port, missing dependencies,
2:43:47 PM [mysql] improper privileges, a crash, or a shutdown by another method.
2:43:47 PM [mysql] Press the Logs button to view error logs and check
2:43:47 PM [mysql] the Windows Event Viewer for more clues
2:43:47 PM [mysql] If you need more help, copy and post this
2:43:47 PM [mysql] entire log window on the forums
你可以使用wamp服务器它替代xampp你可以在新版本http://www.wampserver.com/en/中运行php 5.6和php7