Re: [Xenomai-help] Kernel Oops calling rt_dev_close

[Jan Kiszka <jan.kiszka@domain.hid>]

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Steven Kauffmann wrote:
> On Tue, Sep 2, 2008 at 12:22 PM, Jan Kiszka <jan.kiszka@domain.hid> wrote:
>> Steven Kauffmann wrote:
>>> Hi all,
>>>
>>> I'm getting Kernel oops when calling rt_dev_close in my application
>>> [*]. The application creates a new real-time task and in this task
>>> rt_dev_recvfrom is waiting for incoming CAN messages.
>>>
>>> In the close function of the application I first call rt_dev_close and
>>> after that I kill the thread with rt_task_delete. I also wait for the
>>> termination of this thread with rt_task_join. But when rt_dev_close is
>>> called, the kernel oops occurs.
>> Do you have a (small) test case for this issue? Does it work with a
>> virtual CAN device as well? That would be the fastest way to track down
>> the issue.
> 
> The test case (see attached file) reproduces the kernel oops.

So it's socket closing while some other tasks blocks in recv.

> 
> The kernel oops also occurs when using the virtual CAN device.

Great, will look into this later today.

Jan


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