Hi Dave, Am 28.06.19 um 19:29 schrieb Dave Stevenson: > Hi Stefan > > Could you try running > v4l2-ctl -v width=640,height=480,pixelformat=YU12 > before running v4l2-compliance? The default format is JPEG, and I just > wonder if there is an issue lurking in the compression side. yes, this is much better: Streaming ioctls: test read/write: OK test blocking wait: OK test MMAP (no poll): OK test MMAP (select): OK test MMAP (epoll): OK test USERPTR (no poll): OK test USERPTR (select): OK test DMABUF (no poll): OK (Not Supported) test DMABUF (select): OK (Not Supported) Total for bm2835 mmal device /dev/video0: 53, Succeeded: 53, Failed: 0, Warnings: 0 > I'll get a Pi3 mainline build going when I get a chance. > _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel