Reloading/reopening large gcode files in access cause crash

#343 Reloading/reopening large gcode files in access cause crash

Milestone: 2.6

Status: closed-fixed

Owner: nobody

Labels: None

Priority: 5

Updated: 2015-02-23

Created: 2013-12-03

Creator: skunkwork

Private: No

In master - if you load the gcode program attached more than once in the same session - axis crashes.
at command prompt you get

/home/samco/linuxcnc-beta5/scripts/linuxcnc: line 716: 19366 Segmentation fault $EMCDISPLAY -ini "$INIFILE" $EMCDISPLAYARGS $EXTRA_ARGS
Shutting down and cleaning up LinuxCNC...
Cleanup done

and doing
ulimit -c unlimited; reproduce it; gdb /usr/bin/python [the core file], (gdb) bt

gets you

~~~~~~
(gdb) bt

0 Interp::store_named_param (this=0x10d45e10, settings=0x10d46618,

nameBuf=0x0, value=0, override_readonly=0)
at emc/rs274ngc/interp_namedparams.cc:411

1 0x01054aad in Interp::_execute (this=0x10d45e10, command=0x0)

at emc/rs274ngc/rs274ngc_pre.cc:347

2 0x01054fb0 in Interp::execute (this=0x10d45e10, command=0x0)

at emc/rs274ngc/rs274ngc_pre.cc:509

3 0x01055000 in Interp::execute (this=0x10d45e10)

at emc/rs274ngc/rs274ngc_pre.cc:517

4 0x0029a755 in parse_file (self=0x0, args=0x1148b0bc)

at emc/rs274ngc/gcodemodule.cc:723

5 0x080e114f in PyEval_EvalFrameEx ()

6 0x080e2977 in PyEval_EvalCodeEx ()

7 0x080e0fb3 in PyEval_EvalFrameEx ()

8 0x080e2977 in PyEval_EvalCodeEx ()

9 0x080e0fb3 in PyEval_EvalFrameEx ()

10 0x080e2977 in PyEval_EvalCodeEx ()

11 0x080e0fb3 in PyEval_EvalFrameEx ()

12 0x080e2977 in PyEval_EvalCodeEx ()

13 0x0816bcdc in ?? ()

14 0x0806257a in PyObject_Call ()

15 0x080df8d8 in PyEval_EvalFrameEx ()

16 0x080e2977 in PyEval_EvalCodeEx ()

---Type <return> to continue, or q <return> to quit---</return></return>

17 0x0816bcdc in ?? ()

18 0x0806257a in PyObject_Call ()

19 0x0806a57c in ?? ()

20 0x0806257a in PyObject_Call ()

21 0x080db9f2 in PyEval_CallObjectWithKeywords ()

22 0x00441cea in ?? () from /usr/lib/python2.6/lib-dynload/_tkinter.so

23 0x006a6b66 in TclInvokeStringCommand () from /usr/lib/libtcl8.5.so.0

24 0x006a8939 in ?? () from /usr/lib/libtcl8.5.so.0

25 0x006f193e in ?? () from /usr/lib/libtcl8.5.so.0

26 0x006effc1 in ?? () from /usr/lib/libtcl8.5.so.0

27 0x006a9de1 in TclEvalObjEx () from /usr/lib/libtcl8.5.so.0

28 0x0073ba76 in ?? () from /usr/lib/libtcl8.5.so.0

29 0x006a8939 in ?? () from /usr/lib/libtcl8.5.so.0

30 0x006f193e in ?? () from /usr/lib/libtcl8.5.so.0

31 0x0073c2a9 in TclObjInterpProcCore () from /usr/lib/libtcl8.5.so.0

32 0x0073c187 in TclObjInterpProc () from /usr/lib/libtcl8.5.so.0

33 0x006a8939 in ?? () from /usr/lib/libtcl8.5.so.0

34 0x006a91a6 in ?? () from /usr/lib/libtcl8.5.so.0

35 0x006a8bfa in Tcl_EvalEx () from /usr/lib/libtcl8.5.so.0

36 0x0058a329 in Tk_BindEvent () from /usr/lib/libtk8.5.so.0

37 0x0059096c in TkBindEventProc () from /usr/lib/libtk8.5.so.0

38 0x00599084 in Tk_HandleEvent () from /usr/lib/libtk8.5.so.0

39 0x00599740 in ?? () from /usr/lib/libtk8.5.so.0