On Tue, Aug 26, 2014 at 09:50:43AM -0700, Jim Davis wrote: > Building with the attached random configuration file, > > ERROR: "vb2_ops_wait_finish" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "vb2_ops_wait_prepare" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "v4l2_event_unsubscribe" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "v4l2_ctrl_subscribe_event" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "v4l2_ctrl_log_status" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "vb2_ioctl_streamoff" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "vb2_ioctl_streamon" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "vb2_ioctl_create_bufs" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "vb2_ioctl_dqbuf" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "vb2_ioctl_expbuf" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "vb2_ioctl_qbuf" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "vb2_ioctl_querybuf" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "vb2_ioctl_reqbufs" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "vb2_fop_release" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "v4l2_fh_open" [Documentation/video4linux/v4l2-pci-skeleton.ko] > undefined! > ERROR: "vb2_fop_mmap" [Documentation/video4linux/v4l2-pci-skeleton.ko] > undefined! > ERROR: "video_ioctl2" [Documentation/video4linux/v4l2-pci-skeleton.ko] > undefined! > ERROR: "vb2_fop_poll" [Documentation/video4linux/v4l2-pci-skeleton.ko] > undefined! > ERROR: "vb2_fop_read" [Documentation/video4linux/v4l2-pci-skeleton.ko] > undefined! > ERROR: "vb2_buffer_done" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "__video_register_device" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "video_device_release_empty" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "vb2_dma_contig_init_ctx" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "vb2_queue_init" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "vb2_dma_contig_memops" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "v4l2_ctrl_new_std" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "v4l2_ctrl_handler_init_class" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "v4l2_device_register" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "v4l2_match_dv_timings" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "v4l2_find_dv_timings_cap" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "v4l2_valid_dv_timings" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "v4l2_enum_dv_timings_cap" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "video_devdata" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "v4l2_device_unregister" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "vb2_dma_contig_cleanup_ctx" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "v4l2_ctrl_handler_free" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > ERROR: "video_unregister_device" > [Documentation/video4linux/v4l2-pci-skeleton.ko] undefined! > make[1]: *** [__modpost] Error 1 > make: *** [modules] Error 2 > > Similar to a build error from January 7th: > https://lists.01.org/pipermail/kbuild-all/2014-January/002566.html Hi, I tried to build next-20140826 with your given config file . But for me everything was fine. And I was just wondering why the skeleton code in the Documentation is building ? thanks sudip -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html