It's easy to reproduce even without Emacs. Just load the library and start the server prior to loading his workspace. On 28 Apr 2014 23:06, "Juergen Sauermann" <juergen.sauerm...@t-online.de> 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 <blake1...@gmail.com> 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 <loke...@gmail.com>wrote: >> >>> I see. I got the crash now. I'll look at the core. >>> >>> >>> On 28 April 2014 11:01, Blake McBride <blake1...@gmail.com> 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 <loke...@gmail.com>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 <blake1...@gmail.com> wrote: >>>>> >>>>>> Here it is. Thanks! >>>>>> >>>>>> >>>>>> On Sun, Apr 27, 2014 at 9:49 PM, Elias Mårtenson >>>>>> <loke...@gmail.com>wrote: >>>>>> >>>>>>> Do you have a copy of the workspace I can test with? >>>>>>> >>>>>>> Regards, >>>>>>> Elias >>>>>>> >>>>>>> >>>>>>> On 28 April 2014 10:48, Blake McBride <blake1...@gmail.com> 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 <blake1...@gmail.com >>>>>>>> > 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 >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>> >> > >
