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| TrSqr | current media_tree built with media_build on kernel 4.4. can't use cx23885 module:
sudo modprobe cx23885 modprobe: ERROR: could not insert 'cx23885': Exec format error syslog says: [ 406.191360] frame_vector: exports duplicate symbol frame_vector_create (owned by kernel) | [19:14] |
| devinheitmueller | TrSqr: that’s a relatively new function. Perhaps you updated the kernel you are building against without doing a clean checkout of media_build? If the function is declared in compat.h as an inline, you would get a duplicate symbol. | [19:22] |
| TrSqr | devinheitmueller, tried to delete the whole media_build and clone it again from git, just to make sure there wasn't any leftovers
also tried kernels 4.3, 4.4 and 4.5-rc3 but the same thing | [19:23] |
| devinheitmueller | It’s likely to happen with all kernels >= 4.3, since that’s when the function was introduced.
Grep for frame_vector_create. Do you see it declared in compat.h? | [19:24] |
| TrSqr | ah, so going back to something older than that would let me concentrate on what I was doing :)
let me see | [19:25] |
| devinheitmueller | compat.h gets generated based on the kernel you are building with, creating versions of functions that aren’t defined in older kernels. If it were incorrectly creating the function even though your kernel provides it, that could explain the behavior. | [19:26] |
| TrSqr | olli@dl160:~/src/media_build$ grep frame_vector_create ./v4l/compat.h
struct frame_vector *frame_vector_create(unsigned int nr_frames); | [19:27] |
| devinheitmueller | I’m not in front of a media_build tree, but would suggest you try commenting that out and see if it helps.
(do a make clean and then make) | [19:29] |
| TrSqr | ok, will try. thanks! | [19:31] |
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