RTEMS crash with mem address not aligned failure

[Sebastian Huber]

On 07/10/14 00:45, Chris Johns wrote:
> On 7/10/2014 2:19 am, Joel Sherrill wrote:
>>
>> On 10/6/2014 10:09 AM, Jiri Gaisler wrote:
>>>
>>> On 10/06/2014 04:45 PM, Joel Sherrill wrote:
>>>> On 10/6/2014 2:03 AM, Chris Johns wrote:
>>>>> On 6/10/2014 5:08 pm, Sebastian Huber wrote:
>>>>>> On 04/10/14 07:07, Chris Johns wrote:
>>>>>>>>> Could this be a newlib issue? We are using:
>>>>>>>> Is the memory map ok for the BSP ? It pays when moving to 4.11 from 4.10
>>>>>>>> to check the memory map is ok.
>>>>>>>>
>>>>>>> I can confirm this happens on the SIS bsp in simulator using the
>>>>>>> fileio.exe
>>>>>>> example. Run the sample, hit a key, start the shell and enter ls.
>>>>>> I don't see this problem here.  I use sparc-rtems4.11-gcc 4.9.2 20140924
>>>>>> with the latest Newlib.
>>>>>>
>>>>> Do you see it with the RSB tools ?
>>>> I have the RSB tools and it doesn't crash for me on sis. I also noticed
>>>> that in the report, there is a hello command which is not part
>>>> of the standard command set.  I wonder if that command or
>>>> how it was added is triggering something.
>>>>
>>>> This may not be the latest but this is what I have installed.
>>>>
>>>> $ sparc-rtems4.11-gcc --version
>>>> sparc-rtems4.11-gcc (GCC) 4.8.3 20140522 (RTEMS
>>>> 4.11-RSB-257d1e4378c80968de57ba888e235888adb0e992-1,gcc-4.8.3/newlib-19-Aug-2014)
>>>>
>>> It does crash on sis for me, using RSB from some months ago:
>>>
>>> $ sparc-rtems4.11-gcc --version
>>> sparc-rtems4.11-gcc (GCC) 4.8.2 20131016 (RTEMS
>>> 4.11-RSB-527515c38007b0614a2cafed863190438e8375bc-1,gcc-4.8.2/newlib-2.1.0)
>>> Copyright (C) 2013 Free Software Foundation, Inc.
>>> This is free software; see the source for copying conditions.  There is NO
>>> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>> Hmm... I wonder if something was fixed in newlib.
>
> I have just rebuild everything ...
>
> gcc version 4.8.3 20140522 (RTEMS
> 4.11-RSB-bc51abf2519aa82bfb1208ad8844cdbfaad45fc9-1,gcc-4.8.3/newlib-19-Aug-2014)
> (GCC)
>
> and the latest rtems git head and I do not see the problem so something has
> fixed this.
>
> Chris

Maybe it was this bug.  It was fixed after the 2.0.0 release:

https://sourceware.org/ml/newlib/2013/msg00136.html

-- 
Sebastian Huber, embedded brains GmbH

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