[Bug 1828615] [NEW] v4l2loopback 10.0-1ubuntu1 ADT test failure with linux 5.0.0-14-generic

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[ Impact ]

The DKMS package fails to install on kernels based on 5.0; specifically
noticed in the Bionic HWE Edge kernel.

[ Test Case ]

Install the v4l2loopback-dkms package with a 5.0 kernel. The package
should install without any errors.

[ The Problem ]

"do_gettimeofday" was deprecated and removed in the 5.0 kernels, so the
package will not compile since the function it requires does not exist.

[ Proposed Fix ]

Port the following patch from the package developers which replaces
calls to the deprecated API with appropriate wrapper functions:
https://github.com/umlaeute/v4l2loopback/commit/afe0b233070d7ca5d6df83c5f2723d276dcd287d.patch

[ Regression Potential ]

I think regression potential is low if the proposed fix is accepted. The
function calls that supplant the deprecated ones have been there since
before kernel 4.15 (of which Bionic is based upon).

    amd64: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic/bionic/amd64/v/v4l2loopback/20190429_215733_875ac@/log.gz
    arm64: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic/bionic/arm64/v/v4l2loopback/20190429_220415_875ac@/log.gz
    i386: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic/bionic/i386/v/v4l2loopback/20190429_215750_875ac@/log.gz
    ppc64el: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic/bionic/ppc64el/v/v4l2loopback/20190429_215314_875ac@/log.gz
    s390x: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic/bionic/s390x/v/v4l2loopback/20190429_214920_875ac@/log.gz

** Affects: v4l2loopback (Ubuntu)
     Importance: Undecided
     Assignee: Connor Kuehl (connork)
         Status: In Progress


** Tags: kernel-adt-failure patch
-- 
v4l2loopback 10.0-1ubuntu1 ADT test failure with linux 5.0.0-14-generic
https://bugs.launchpad.net/bugs/1828615
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