linux-kernel - Re: randconfig build error with next-20140826, in Documentation/video4linux

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Date:	Wed, 27 Aug 2014 16:28:38 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Jim Davis <jim.epost@...il.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next <linux-next@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"m.chehab" <m.chehab@...sung.com>,
	Randy Dunlap <rdunlap@...radead.org>,
	linux-media <linux-media@...r.kernel.org>,
	linux-doc <linux-doc@...r.kernel.org>
Subject: Re: randconfig build error with next-20140826, in
 Documentation/video4linux

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

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