Ros node/topic is getting off with point grey camera after some time

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Hello, we are recording a video stream with 60 fps from a point grey camare @1280 x 1024, ros stops recording the video stream after some time but if we decrease the number of fps for this camera, just about to 30 fps then it's not a problem. Are there any bandwith problems with ros or something else ? The node is still alive but with 60 fps the recording stops and only 4KB bag files are recorded, there also no space limits from the harddisk. With a setting of 30 fps it is possible to make the harddisk full but with 60 fps it is not the case.

best regards