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关于AM1808linux系统的uvc驱动问题

Other Parts Discussed in Thread: AM1808

你好,我的linux系统是2.6.33-rc4,硬件为AM1808,在linux下我开启了uvc驱动,插入usb摄像头后可以识别uvc驱动,生成/dev/video0文件,在调用这个文件的时候,总是提示uvcvideo: Failed to submit URB 0 (-90),该程序在其他平台,如s3c2440下面是可以正常运行的,根据网上查找的资料,说是usb设备的dma带宽太少造成的,请问这个什么问题,该怎么解决,貌似在国外很多人使用这个平台的uvc都遇到了这个问题。