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AM335X linux3.2出现串口控制台打印乱七八糟的字符

Other Parts Discussed in Thread: AM3354

各位大侠:

大家好,我在自制的AM335X板子上运行linux3.2,该板子用AM3354 cpu,基于SDK6.0,uboot为2013版,linux kernel版本为3.2.0

但是出现一个奇怪的现象,系统起起来之后,如果此时拔掉调试串口线,再插上,一定几率会出现串口打印乱七八糟的字符(不是乱码),但通过telnet连接没有该现象.打印的字符我复制一些.通过 secureCRT显示如下:

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有没有碰到这种情况的兄弟,不吝赐教,在此表示感激