.
Thread 1 (process 6044):
#0  pkgPolicy::GetCandidateVer (this=0x81d75a0, Pkg={Pkg = 0xb6d921e8, Owner = 0x82999a8, HashIndex = 1181}) at policy.cc:146
	Prio = <value optimized out>
	Max = 0
#1  0xb78b6dc9 in pkgDepCache::Init (this=0x82a53d8, Prog=0xbfb4325c) at ../build/include/apt-pkg/depcache.h:339
	State = (pkgDepCache::StateCache &) @0xb66e8104: {CandVersion = 0x0, CurVersion = 0x0, CandidateVer = 0x0, InstallVer = 0x0, Flags = 0, iFlags = 0, Marked = false, 
  Garbage = false, Status = 0 '\0', Mode = 0 '\0', DepState = 0 '\0'}
	actions = {cache = @0x82a53d8, released = false}
	Done = 15766
#2  0xb78d867c in pkgCacheFile::Open (this=0x82a66e0, Progress=@0xbfb4325c, WithLock=false) at cachefile.cc:105
No locals.
#3  0xb795b340 in TmpGetCache () from /usr/lib/python2.5/site-packages/apt_pkg.so
#4  0x080c8b3c in PyEval_EvalFrameEx (f=0x81a0b64, throwflag=0) at ../Python/ceval.c:3564
	callargs = (PyObject *) 0xb7d4702c
	stack_pointer = <value optimized out>
	next_instr = (unsigned char *) 0x82a6889 "Z\030"
	opcode = <value optimized out>
	oparg = <value optimized out>
	why = 3085722240
	err = 0
	x = <value optimized out>
	v = <value optimized out>
	w = <value optimized out>
	u = <value optimized out>
	t = <value optimized out>
	stream = <value optimized out>
	fastlocals = (PyObject **) 0x81a0c9c
	freevars = (PyObject **) 0x81a0c9c
	retval = (PyObject *) 0x0
	tstate = (PyThreadState *) 0x816a1b8
	co = (PyCodeObject *) 0x826d188
	instr_ub = -1
	instr_lb = 0
	instr_prev = -1
	first_instr = (unsigned char *) 0x82a6764 "d"
	names = (PyObject *) 0xb7a2f314
	consts = (PyObject *) 0x826f16c
#5  0x080c9d65 in PyEval_EvalCodeEx (co=0x826d188, globals=0xb7d5facc, locals=0xb7d5facc, args=0x0, argcount=0, kws=0x0, kwcount=0, defs=0x0, defcount=0, closure=0x0)
    at ../Python/ceval.c:2831
	m = 0
	f = (PyFrameObject *) 0x81a0b64
	retval = <value optimized out>
	fastlocals = (PyObject **) 0x81a0c9c
	freevars = (PyObject **) 0x81a0c9c
	tstate = (PyThreadState *) 0x816a1b8
	x = <value optimized out>
	u = (PyObject *) 0x0
#6  0x080c9dd7 in PyEval_EvalCode (co=0x826d188, globals=0xb7d5facc, locals=0xb7d5facc) at ../Python/ceval.c:494
No locals.
#7  0x080e91d8 in PyRun_FileExFlags (fp=0x816a008, filename=0xbfb44d15 "/usr/lib/update-notifier/apt-check", start=257, globals=0xb7d5facc, locals=0xb7d5facc, closeit=1, 
    flags=0xbfb43678) at ../Python/pythonrun.c:1271
	ret = (PyObject *) 0x0
	mod = <value optimized out>
	arena = (PyArena *) 0x8298a18
#8  0x080e9467 in PyRun_SimpleFileExFlags (fp=0x816a008, filename=0xbfb44d15 "/usr/lib/update-notifier/apt-check", closeit=1, flags=0xbfb43678) at ../Python/pythonrun.c:877
	buf = "#!"
	m = <value optimized out>
	d = (PyObject *) 0xb7d5facc
	v = <value optimized out>
	ext = 0xbfb44d33 "heck"
#9  0x08059330 in Py_Main (argc=1, argv=0xbfb43744) at ../Modules/main.c:523
	v = <value optimized out>
	c = <value optimized out>
	sts = 0
	command = 0x0
	filename = 0xcf2fc298 <Address 0xcf2fc298 out of bounds>
	module = 0x0
	fp = (FILE *) 0x816a008
	p = <value optimized out>
	inspect = 0
	unbuffered = 0
	skipfirstline = 0
	stdin_is_interactive = 0
	help = 0
	version = 0
	saw_inspect_flag = 0
	saw_unbuffered_flag = 0
	cf = {cf_flags = 0}
#10 0x08058862 in main (argc=158, argv=0x0) at ../Modules/python.c:23
No locals.