系统日志中出现kernel: CORE EH 是什么错误？

hmilycbz

查看系统messages日志，发现很多下面的这种日志，这个是什么错误呢？

系统：CentOS 5.4 x86_64

Nov 29 20:59:00 kavin kernel: CORE EH:  dev 1 req 0x28 status 0x2 sense length 18 sense(key 0x3, asc 0x11 ascq 0x0).
Nov 29 20:59:00 kavin kernel: CORE EH:  req ffffc2001048f1d8 [0x28] status 0x7
Nov 29 22:10:16 kavin kernel: CORE EH:  dev 1 req 0x28 status 0x2 sense length 18 sense(key 0x3, asc 0x11 ascq 0x0).
Nov 29 22:10:16 kavin kernel: CORE EH:  req ffffc200104c0a78 [0x28] status 0x7
Nov 29 22:54:11 kavin kernel: CORE EH:  dev 1 req 0x28 status 0x2 sense length 18 sense(key 0x3, asc 0x11 ascq 0x0).
Nov 29 22:54:11 kavin kernel: CORE EH:  req ffffc2001049d318 [0x28] status 0x7
Nov 30 01:32:48 kavin kernel: CORE EH:  dev 1 req 0x28 status 0x2 sense length 18 sense(key 0x3, asc 0x11 ascq 0x0).
Nov 30 01:32:48 kavin kernel: CORE EH:  req ffffc20010477138 [0x28] status 0x7
Nov 30 05:00:02 kavin kernel: CORE EH:  dev 1 req 0x28 status 0x2 sense length 18 sense(key 0x3, asc 0x11 ascq 0x0).
Nov 30 05:00:02 kavin kernel: CORE EH:  req ffffc2001049ca98 [0x28] status 0x7
Nov 30 05:00:03 kavin kernel: CORE EH:  dev 1 req 0x28 status 0x2 sense length 18 sense(key 0x3, asc 0x11 ascq 0x0).
Nov 30 05:00:05 kavin kernel: CORE EH:  req ffffc200104998a8 [0x28] status 0x7