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    SubjectRe: kernel OOPS when releasing usb webcam (random)
    On Mon, 17 Oct 2011 17:05:19 -0700 (PDT)
    David Rientjes <> wrote:

    > On Mon, 17 Oct 2011, Tomas M. wrote:
    > > im getting the following null pointer dereference from time to time when
    > > releasing a usb camera.
    > >
    > > maybe this trace is of assistance...please reply to my mail since im not
    > > subscribed.
    > >
    > I suspect this is happening in v4l2_device_unregister_subdev(). Adding
    > Guennadi, Mauro, and linux-media.
    > > BUG: unable to handle kernel NULL pointer dereference at 0000006c
    > > IP: [<f90be6c2>] v4l2_device_release+0xa2/0xf0 [videodev]


    I sent a fix for a similar trace last week:

    Tomas, can you test it fixes the problem for you too?


    Antonio Ospite

    PGP public key ID: 0x4553B001

    A: Because it messes up the order in which people normally read text.
    Q: Why is top-posting such a bad thing?
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