Trying to import AC3D model(s) from:
/home/sandreas/data/blender/1Coil2-9186.ac ...
Fatal Python error: Inconsistent interned string state.

after recalc normals on mirror, export, erase, import:
Trying to import AC3D model(s) from:
/home/sandreas/data/blender/1Coil2recalc-9186.ac ...
Segmentation fault

restart: duplicate, export, new, import, export, new, import, recalc, export, new, import:

Trying to import AC3D model(s) from:
/home/sandreas/data/blender/1Coil2recalc-9186.ac ...
Traceback (most recent call last):
  File "<string>", line 638, in filesel_callback
  File "<string>", line 223, in __init__
  File "<string>", line 551, in testAC3DImport
TypeError: expected an integer index

only partially loaded.
Didn't segFault, so keep trying
new, import, new, import, new, import:

Trying to import AC3D model(s) from:
/home/sandreas/data/blender/1Coil2recalc-9186.ac ...
Segmentation fault

Start blender fresh, import: crashes on first load:

Trying to import AC3D model(s) from:
/home/sandreas/data/blender/testing.ac ...
Traceback (most recent call last):
  File "<string>", line 638, in filesel_callback
  File "<string>", line 223, in __init__
  File "<string>", line 573, in testAC3DImport
AttributeError: Obj instance has no attribute 'txt'

> gdb /usr/local/bin/blender
GNU gdb 6.3
This GDB was configured as "i686-pc-linux-gnu"...(no debugging symbols found)
Using host libthread_db library "/lib/libthread_db.so.1".

(gdb) run
Starting program: /usr/local/bin/blender
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 16384 (LWP 28601)]
Compiled with Python version 2.4.
Checking for installed Python... got it!

Trying to import AC3D model(s) from:
/home/sandreas/data/blender/1Coil2-9186.ac ...
Done! Data imported in 0.744 seconds.

Trying to import AC3D model(s) from:
/home/sandreas/data/blender/testing.ac ...
Traceback (most recent call last):
  File "<string>", line 638, in filesel_callback
  File "<string>", line 223, in __init__
  File "<string>", line 573, in testAC3DImport
AttributeError: Obj instance has no attribute 'txt'

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 16384 (LWP 28601)]
0x400958ce in X11_SetIcon (this=Cannot access memory at address 0x4132fe88
) at SDL_x11wm.c:107
107     SDL_x11wm.c: No such file or directory.
        in SDL_x11wm.c
(gdb) bt
#0  0x400958ce in X11_SetIcon (this=Cannot access memory at address 0x4132fe88
) at SDL_x11wm.c:107
Cannot access memory at address 0x4132fe80