Queue deletion hangs

Gabriel Raineri graineri at invap.com.ar
Thu Nov 10 13:33:37 UTC 2011

Actually, I don't have a test case. However, I will try to write one to 
see if I can repeat the issue.

Sorry, the RTEMS version is:

Thanks again!

On 10-Nov-11 10:25 AM, Joel Sherrill wrote:
> On 11/10/2011 07:11 AM, Gabriel Raineri wrote:
>> Hi everybody!
>> I'm having an issue while deleting a queue: the call to 
>> rtems_message_queue_delete hangs.
>> I have been debugging RTEMS code and I found that it gets stuck at 
>> _Thread_Enable_dispatch() in msgqdelete.c
> Do you have a test case?  This case is covered in the test suite
> so there must be something different about your case.
>> More details:
>> - RTEMS Version: 4.99
> That's not an RTEMS version number.  What version are you using?
> How did you get it?
>> - The task that deletes the queue is not the one that created it.
>> - There is a task blocked waiting for the queue which has a higher 
>> priority than the task deleting the queue.
>> - I have also tried disabling interrupts before the deletion in order 
>> to avoid context switching with no luck (still hangs).
>> - There are no pending messages on the queue.
>> - All nodes are LOCAL.
>> You might be wondering why in the world I'm trying to delete a queue. 
>> Well, to make a long story short, the idea behind this is to inject 
>> errors into our application to see if it is reacting as expected.
>> Any help will be appreciated!
>> Thanks in advance!
>> Cheers,
>> Gabriel
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