SIGSEGV when using T2CON

Binary package hint: ktechlab

When I run the following program in ktechlab, I got a SIGSEGV. Usually not for the first time but for the 2nd or 3rd.

Program:

 processor p16f628
 include <p16f628.inc>

 banksel T2CON
 movlw 0x04
 movwf T2CON

loop
 nop
 goto loop

 end

Call stack:
(no debugging symbols found)
Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
(no debugging symbols found)
[repeats several times]
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread -1244174640 (LWP 3849)]
(no debugging symbols found)
[repeats several times]
(no debugging symbols found)
[KCrash handler]
#6 0xb7ddcdb5 in TMR2::callback () from /usr/lib/libgpsim.so.0
#7 0xb7e0fc6b in Cycle_Counter::breakpoint () from /usr/lib/libgpsim.so.0
#8 0xb7e4d9eb in Program_Counter::jump () from /usr/lib/libgpsim.so.0
#9 0xb7e4e48d in GOTO::execute () from /usr/lib/libgpsim.so.0
#10 0xb7dd60f0 in pic_processor::step_one () from /usr/lib/libgpsim.so.0
#11 0x0821a267 in ?? ()
#12 0x08148a6b in ?? ()
#13 0x08148c7a in ?? ()
#14 0xb662788b in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#15 0xb6628330 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#16 0xb69b5ba6 in QTimer::timeout () from /usr/lib/libqt-mt.so.3
#17 0xb664f596 in QTimer::event () from /usr/lib/libqt-mt.so.3
#18 0xb65bea60 in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#19 0xb65c088f in QApplication::notify () from /usr/lib/libqt-mt.so.3
#20 0xb6d83ce2 in KApplication::notify () from /usr/lib/libkdecore.so.4
#21 0xb65511e9 in QApplication::sendEvent () from /usr/lib/libqt-mt.so.3
#22 0xb65b14ab in QEventLoop::activateTimers () from /usr/lib/libqt-mt.so.3
#23 0xb6565d25 in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#24 0xb65d9136 in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#25 0xb65d8f46 in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#26 0xb65c0609 in QApplication::exec () from /usr/lib/libqt-mt.so.3
#27 0x082da4e3 in ?? ()
#28 0xb5dfbebc in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#29 0x0807caa1 in ?? ()