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    SubjectRe: khubd zombie
    On Mon, 2002-02-18 at 21:00, Greg KH wrote:
    > On Mon, Feb 18, 2002 at 08:56:22PM +0100, Patrik Weiskircher wrote:
    > >
    > > I tried it with 2.4.5, 2.4.12, 2.4.17.
    > > And I have to kill everything except init.
    > > I need a "clean" system.
    > What? You want to also get rid of keventd, ksoftirqd_CPUX, kswapd, and
    > others and expect your machine to still work properly?

    I just do a kill(-1,15);
    It doesn't affect keventd, ksoftirqd_CPUX, etc. as far as i know.
    Except the khubd, it keeps getting a zombie.

    > > Anyway, I don't think that it should behave like that.
    > > Killing something from userspace should not affect the kernel, or did I
    > > miss something?
    > This is a _kernel_ thread, not a userspace program running.

    khubd is a kernel thread, yes.
    But if I issue a 'killall khubd' it shouldn't become a zombie.

    > > I fixed it, it works, patch file attached.
    > And what happened to your USB devices when you kill khubd after applying
    > your patch?

    They work as always.

    > The reparent_to_init() seems like the better thing to do.

    I have to admit, I'm really new to the kernel sources.
    There's still _very_ much I don't know about the kernel.
    These are the first steps in kernel programming.
    Sorry if it's the wrong way to do, I just try my best.

    > thanks,
    > greg k-h

    Best Regards,
    Patrik Weiskircher

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