.
Thread 3 (Thread 21534):
#0  0x0022e422 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00978142 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:179
No locals.
#2  0x009037e4 in __pthread_cond_timedwait (cond=0xa0b33c8, mutex=0xa0b33b0, 
    abstime=0xb5ee32a0) at forward.c:152
        __p = 0xfffffdfc
#3  0x00bfcdef in QWaitConditionPrivate::wait (this=0x9c33100, 
    mutex=0x9c330fc, time=30000) at thread/qwaitcondition_unix.cpp:85
        tv = {tv_sec = 1255184246, tv_usec = 127372}
        ti = {tv_sec = 1255184276, tv_nsec = 127372000}
        code = <value optimized out>
#4  QWaitCondition::wait (this=0x9c33100, mutex=0x9c330fc, time=30000)
    at thread/qwaitcondition_unix.cpp:159
        returnValue = <value optimized out>
#5  0x00bf19ae in QThreadPoolThread::run (this=0xa0780b8)
    at concurrent/qthreadpool.cpp:140
        r = 0xcf37478
        locker = {{mtx = 0x9c330fd, val = 163787005}}
#6  0x00bfbe32 in QThreadPrivate::start (arg=0xa0780b8)
    at thread/qthread_unix.cpp:188
        data = 0xb071648
#7  0x0097380e in start_thread (arg=0xb5ee3b70) at pthread_create.c:300
        __res = <value optimized out>
        __ignore1 = <value optimized out>
        __ignore2 = <value optimized out>
        pd = 0xb5ee3b70
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {9977844, 0, 4001536, 
                -1242680232, -421629750, 349646240}, mask_was_saved = 0}}, 
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, 
              cleanup = 0x0, canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
#8  0x008f67ee in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
.
Thread 2 (Thread 20091):
#0  0x0022e422 in __kernel_vsyscall ()
No symbol table info available.
#1  0x008ef981 in select () from /lib/tls/i686/cmov/libc.so.6
No locals.
#2  0x00ccaaf5 in QProcessManager::run (this=0x9b50c38)
    at io/qprocess_unix.cpp:296
        readset = {fds_bits = {32, 0 <repeats 31 times>}}
        nselect = <value optimized out>
        c = 0 '\000'
#3  0x00bfbe32 in QThreadPrivate::start (arg=0x9b50c38)
    at thread/qthread_unix.cpp:188
        data = 0x9b51290
#4  0x0097380e in start_thread (arg=0xb3141b70) at pthread_create.c:300
        __res = <value optimized out>
        __ignore1 = <value optimized out>
        __ignore2 = <value optimized out>
        pd = 0xb3141b70
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {9977844, 0, 4001536, 
                -1290529704, 312373447, 349646240}, mask_was_saved = 0}}, 
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, 
              cleanup = 0x0, canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
#5  0x008f67ee in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
.
Thread 1 (Thread 20086):
#0  khtml::InputTextCommandImpl::prepareForTextInsertion (this=0xd6d0118, 
    adjustDownstream=false) at ../../khtml/editing/htmlediting_impl.cpp:1574
        selection = {m_base = {m_node = 0x0, m_offset = 0}, m_extent = {
            m_node = 0x0, m_offset = 0}, m_start = {m_node = 0x0, 
            m_offset = 0}, m_end = {m_node = 0x0, m_offset = 0}, 
          m_state = DOM::Selection::NONE, 
          m_affinity = DOM::Selection::DOWNSTREAM, m_caretX = 0, 
          m_caretY = 0, m_caretSize = 0, m_baseIsStart = true, 
          m_needsCaretLayout = true, m_modifyBiasSet = false, 
          m_visible = false}
        __PRETTY_FUNCTION__ = "DOM::Position khtml::InputTextCommandImpl::prepareForTextInsertion(bool)"
        pos = DWARF-2 expression error: DW_OP_reg operations must be used either alone or in conjuction with DW_OP_piece.