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    SubjectRe: [Linux v4.2] workqueue: llvmlinux: acpid: BUG: sleeping function called from invalid context at kernel/workqueue.c:2680
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    On Fri, Sep 25, 2015 at 3:13 PM, Jiri Kosina <jikos@kernel.org> wrote:
    > On Fri, 25 Sep 2015, Sedat Dilek wrote:
    >
    >> > The sequence looks correct. So I don't really see what call sequence could
    >> > lead to calling flush_work() from __cancel_work_timer() with IRQs
    >> > disabled (which is what your stacktrace is suggesting).
    >> >
    >> > The fact that this doesn't happen with GCC-compiled kernels is really
    >> > suspicious.
    >> >
    >>
    >> Hm, and now?
    >
    > I guess one of the things to try is to generate ftrace graph trace to see
    > what exact function sequence leads to this warning.
    >

    Can I do this via kernel-boot-parameter?
    No experiences with ftrace here.

    - Sedat -


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