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Date: Wed, 07 May 2014 13:12:41 +0200
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai] problem with Task management services: Synchronous
 message passing
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To: mobin Motallebizadeh <mobin.seven@live.com>, "xenomai@xenomai.org" <xenomai@xenomai.org>

On 05/07/2014 01:07 PM, mobin Motallebizadeh wrote:
> 
> 
>> Date: Mon, 5 May 2014 12:43:39 +0200 From:
>> gilles.chanteperdrix@xenomai.org To: mobin.seven@live.com;
>> xenomai@xenomai.org Subject: Re: [Xenomai] problem with Task
>> management services: Synchronous message passing
>> 
>> On 05/05/2014 11:01 AM, mobin Motallebizadeh wrote:
>>> 
>>> 
>>>> Date: Sun, 6 Apr 2014 18:34:14 +0200 From:
>>>> gilles.chanteperdrix@xenomai.org To: mobin.seven@live.com CC:
>>>> xenomai@xenomai.org Subject: Re: [Xenomai] problem with Task
>>>> management services: Synchronous message passing
>>>> 
>>>> On 04/06/2014 06:19 PM, mobin Motallebizadeh wrote:
>>>>> I dont know what to do with kernel console.please explain
>>>>> more. I'm running a x86_64 mint Linux pc (core i7)
>>>> 
>>>> Send us to us what the kernel console tell you... we can not
>>>> guess what the issue is if you do not send us information about
>>>> it.
>>>> 
>>>> Also, the xenomai mailing list is an old fashioned mailing list
>>>> where we do not top post. So please, no top posting.
>>>> 
>>>> -- Gilles.
>>> 
>>> The attachment is the log from netconsole.Thanks in advance
>> 
>> The error is on the first line of the logs:
>> 
>> [  111.023581] Watchdog detected hard LOCKUP on cpu 0 [
>> 128.060170] BUG: soft lockup - CPU#1 stuck for 23s! [satch:2028]
>> 
>> Your program has spinned 23s without relinquishing cpu.
>> 
>> 
>> -- Gilles.
> 
> I changed the code with bounding  tasks running time with TIMEOUT.
> this time log says its a bug at task.c . why this is happening? is it
> a real bug?

Do you have the same bug if you sleep a reasonable time between sending
messages instead of sleeping 40 nanoseconds?

-- 
                                                                Gilles.