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dm365 linux2.6.32 本地显示视频为绿色,卡在videobuf_dqbuf,跳进去后是移植在videobuf_waiton等在这边下不去



请教下,我用的是dm365 在linux2.6.32下 ,sdk是4_02_00,采集能够正常采集,可以写入文件在电脑上放出来的。但是想在板子液晶屏上本地显示视频为绿色,卡在videobuf_dqbuf,跳进去后是移植在videobuf_waiton等在这边下不去,这个可能是什么原因造成的呢?