Bug is still there:
EMACS_NATIVE
Network listener started. Connection information: mode:tcp addr:37165
)load Devices
SAVED 2014-4-27 16:11:45 (GMT-5)
VALUE ERROR
auto[11] start
^
====================================================
SEGMENTATION FAULT
Process apl segmentation fault
On Mon, Apr 28, 2014 at 10:06 AM, Juergen Sauermann <
[email protected]> wrote:
> Hi,
>
> I have initialized current_char in SVN 234, but can't see either how this
> would
> make a difference. I would be interested in the workspace file as well if
> the error persists.
>
> /// Jürgen
>
>
>
> On 04/28/2014 06:04 AM, Elias Mårtenson wrote:
>
> I've analysed the problem using Valgrind, and it seems as though this is a
> bug in the XML_Loading_Archive class. The only reason you saw it when
> enabling the Emacs mode was that the native plugin caused memory layout to
> be slightly different. Different enough that it triggered a crash instead
> of just random data.
>
> That explains why you changing seemingly unrelated things changed the
> behaviour of the crash.
>
> Here's the Valgrind error you get by simply loading your workspace in a
> plain APL session (i.e. no Emacs mode):
>
> * )load /home/emartenson/Downloads/Devices.xml*
> ==24490== Conditional jump or move depends on uninitialised value(s)
> ==24490== at 0x47C452: XML_Loading_Archive::next_tag(char const*)
> (Archive.cc:1013)
> ==24490== by 0x47BD6D: XML_Loading_Archive::reset() (Archive.cc:872)
> ==24490== by 0x47BADA: XML_Loading_Archive::XML_Loading_Archive(char
> const*, int&) (Archive.cc:839)
> ==24490== by 0x560394: Workspace::load_WS(std::ostream&,
> std::vector<UCS_string, std::allocator<UCS_string> > const&)
> (Workspace.cc:793)
> ==24490== by 0x49B2CD: Command::process_line(UCS_string&)
> (Command.def:37)
> ==24490== by 0x49AE63: Command::process_line() (Command.cc:63)
> ==24490== by 0x55CA6B: Workspace::immediate_execution(bool)
> (Workspace.cc:129)
> ==24490== by 0x4BCBCC: main (main.cc:466)
> ==24490==
>
> I took a look at the code, and I'm not entirely sure what's going on.
> The only conditional jumps that happen in the next_tag() method depends
> on current_char, which I presume could be uninitialised. I suppose Jürgen
> will have to take a look at this and determine how to fix this one.
>
> Regards,
> Elias
>
>
> On 28 April 2014 11:57, Blake McBride <[email protected]> wrote:
>
>> Interestingly, from the console I loaded the WS, and cleared ⎕LX and the
>> SI. I still get the same problem in Emacs mode with that WS. It doesn't
>> seem to be related to ⎕LX like I thought.
>>
>>
>>
>> On Sun, Apr 27, 2014 at 10:01 PM, Elias Mårtenson <[email protected]>wrote:
>>
>>> I see. I got the crash now. I'll look at the core.
>>>
>>>
>>> On 28 April 2014 11:01, Blake McBride <[email protected]> wrote:
>>>
>>>> You are doing a copy. I did a load. No the same thing.
>>>>
>>>>
>>>> On Sun, Apr 27, 2014 at 9:54 PM, Elias Mårtenson <[email protected]>wrote:
>>>>
>>>>> It loads correctly on mine, latest version of GNU APL from Svn:
>>>>>
>>>>> EMACS_NATIVE
>>>>> Network listener started. Connection information: mode:tcp
>>>>> addr:38324
>>>>> * )copy /home/emartenson/Downloads/Devices.xml*
>>>>> SAVED 2014-4-27 16:11:45 (GMT-5)
>>>>> * )fns*
>>>>> CAL CS EHN EMACS_NATIVE ER JUL Lck Omega
>>>>>
>>>>> PI Parse Pin VI auto ∆
>>>>>
>>>>> Regards,
>>>>> Elias
>>>>>
>>>>>
>>>>> On 28 April 2014 10:50, Blake McBride <[email protected]> wrote:
>>>>>
>>>>>> Here it is. Thanks!
>>>>>>
>>>>>>
>>>>>> On Sun, Apr 27, 2014 at 9:49 PM, Elias Mårtenson
>>>>>> <[email protected]>wrote:
>>>>>>
>>>>>>> Do you have a copy of the workspace I can test with?
>>>>>>>
>>>>>>> Regards,
>>>>>>> Elias
>>>>>>>
>>>>>>>
>>>>>>> On 28 April 2014 10:48, Blake McBride <[email protected]> wrote:
>>>>>>>
>>>>>>>> I built ans installed libemacs.so from the native directory bu same
>>>>>>>> problem.
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On Sun, Apr 27, 2014 at 9:42 PM, Blake McBride <[email protected]
>>>>>>>> > wrote:
>>>>>>>>
>>>>>>>>> Greetings,
>>>>>>>>>
>>>>>>>>> I have a WS that has a ⎕LX to a valid function. That function,
>>>>>>>>> in turn, calls another function that isn't there (on purpose).
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> -----------------------------------------------------------------------------------------------
>>>>>>>>>
>>>>>>>>> Here is what I get from the terminal:
>>>>>>>>>
>>>>>>>>> )load Devices
>>>>>>>>> SAVED 2014-4-27 16:11:45 (GMT-5)
>>>>>>>>> VALUE ERROR
>>>>>>>>> auto[11] start
>>>>>>>>> ^
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> -----------------------------------------------------------------------------------------------
>>>>>>>>>
>>>>>>>>> Here is what I get in Emacs:
>>>>>>>>>
>>>>>>>>> EMACS_NATIVE
>>>>>>>>> Network listener started. Connection information: mode:tcp
>>>>>>>>> addr:33206
>>>>>>>>> )load Devices
>>>>>>>>> SAVED 2014-4-27 16:11:45 (GMT-5)
>>>>>>>>> VALUE ERROR
>>>>>>>>> auto[11] start
>>>>>>>>> ^
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> ====================================================
>>>>>>>>> SEGMENTATION FAULT
>>>>>>>>>
>>>>>>>>> Process apl segmentation fault
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> -----------------------------------------------------------------------------------------------
>>>>>>>>>
>>>>>>>>> I am running the latest APL & Emacs mode code.
>>>>>>>>>
>>>>>>>>> Thanks.
>>>>>>>>>
>>>>>>>>> Blake
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
>
