stdout and stderr are getting mixed up?

[Chris Johns]

On 22/06/2017 15:20, Sebastian Huber wrote:
> On 22/06/17 07:14, Chris Johns wrote:
> 
>>> If you need a proper log, then you have to ensure this at application level.
>>>
>> What about this post:
>>
>> https://groups.google.com/d/msg/comp.programming.threads/1-bU71nYgqw/HSfD8625QzkJ
>>
>> It would imply a line should not be broken up. I do not know.
> 
> You have thread-local stdio streams in Newlib that use a common output device by
> default.
> 

Is what we do acceptable standard behavior?

The link I posted would suggest otherwise. RTEMS 4.9, 4.10, and 4.11 did not do
this so is this a regression?

Chris