[mythtv-users] mythtv freezes when changing channels

Ben Davis ben at xsusio.com
Tue May 27 14:26:33 EDT 2003


On Mon, 2003-05-26 at 13:59, Chris Pinkham wrote:


> Send in a backtrace using the howto instructions and we'll see if someone
> can help.


Ok, here's the backtrace.  I ran mythtv under gdb, changed the channel a
few times, and when it froze I hit alt+f4 to close myth tv and then gave
the backtrace command to gdb. Here it is, it's pretty long though:

-----------------------------------------------------------------------------
(gdb) thread apply all bt full
 
Thread 7 (Thread 81926 (LWP 5403)):
#0  0x40ab2c46 in sigsuspend () from /lib/libc.so.6
No symbol table info available.
#1  0x4094b0c9 in __pthread_wait_for_restart_signal ()
   from /lib/libpthread.so.0
No symbol table info available.
#2  0x4094c7ee in __pthread_alt_lock () from /lib/libpthread.so.0
No symbol table info available.
#3  0x40949b17 in pthread_mutex_lock () from /lib/libpthread.so.0
No symbol table info available.
#4  0x080c4482 in OSD::Display(unsigned char*) (this=0x83d6fa8,
    yuvptr=0x43ffa000
"\026\026\026\026\e\037'=_njqnlrpoqoronrlpqkmmknnlinolnpim
pnpooswwstwuv|y\177\177~}~\177\177|\201~\177\200{vwvusqqqpmkiijdfgfSQjfhhjqlmpnk
lmmronolnponmimjijgifa_^`_ZY^TU[USRMPPNMMLLMMMOOMKMMJKKIJNNKMLKJIHHIKLIEEEFGIDCC
GCDCFC at ADCGOX^bkop\177\215"...) at osd.cpp:1467
        anytodisplay = false
        removeList = {<_Vector_base<OSDSet*,std::allocator<OSDSet*> >> =
{<_Vect
or_alloc_base<OSDSet*,std::allocator<OSDSet*>,true>> = {_M_start = 0x0,
      _M_finish = 0x0,
      _M_end_of_storage = 0x0}, <No data fields>}, <No data fields>}
        i =
{<iterator<std::random_access_iterator_tag,OSDSet*,int,OSDSet**,OSDS
et*&>> = {<No data fields>}, _M_current = 0xe8}
---Type <return> to continue, or q <return> to quit---
#5  0x080a4906 in NuppelVideoPlayer::OutputVideoLoop() (this=0x41c9f008)
    at NuppelVideoPlayer.cpp:1224
        laudiotime = 15320
        delay = 23226
        avsync_delay = -6000
        delay_clipping = false
        nexttrigger = {tv_sec = 1054058156, tv_usec = 187072}
        now = {tv_sec = 1054058154, tv_usec = 998293}
        reducejitter = false
        frame_time = 33366
        frame = {codec = CODEC_YUV, height = 480, width = 480, bpp = -1,
  frameNumber = 0,
  buf = 0x43ffa000
"\026\026\026\026\e\037'=_njqnlrpoqoronrlpqkmmknnlinolnpimpnp
ooswwstwuv|y\177\177~}~\177\177|\201~\177\200{vwvusqqqpmkiijdfgfSQjfhhjqlmpnklmm
ronolnponmimjijgifa_^`_ZY^TU[USRMPPNMMLLMMMOOMKMMJKKIJNNKMLKJIHHIKLIEEEFGIDCCGCD
CFC at ADCGOX^bkop\177\215"..., len = 0, timecode = 0, is_field = 0}
        pause_rpos = 1
        pause_buf = (
    unsigned char *) 0x45176008
"\031\026\026\027\031\034&<Wf_babhhfbeggda^kifii
hejknssruwssrwzw|}z}yyzw|\201~\205\206\201~~\177}w}{~}tsvuppkiijkmlgc\\afcLTl`]b
iqdjmidegejhaebdhbec_b_]__cb[TSXZVUVKNWQNOJKMMNOMMMOMMLJHMOHJKIIMNJNMKKJJJKMNKGH
HGCGGDHGEADEB at DDBCKRXYaimw}"...
#6  0x080a513d in NuppelVideoPlayer::kickoffOutputVideoLoop(void*) (
    player=0x41c9f008) at NuppelVideoPlayer.cpp:1554
No locals.
#7  0x40948cc0 in pthread_start_thread () from /lib/libpthread.so.0
No symbol table info available.
#8  0x40948dc2 in pthread_start_thread_event () from
/lib/libpthread.so.0
No symbol table info available.
 
Thread 6 (Thread 65541 (LWP 5402)):
#0  0x40b33aa6 in nanosleep () from /lib/libc.so.6
No symbol table info available.
#1  0x00000000 in ?? ()
No symbol table info available.
 
Thread 5 (Thread 49156 (LWP 5401)):
#0  0x40b33aa6 in nanosleep () from /lib/libc.so.6
No symbol table info available.
#1  0x00000000 in ?? ()
No symbol table info available.
 
Thread 4 (Thread 32771 (LWP 5400)):
#0  0x40ab2c46 in sigsuspend () from /lib/libc.so.6
No symbol table info available.
#1  0x4094b0c9 in __pthread_wait_for_restart_signal ()
   from /lib/libpthread.so.0
No symbol table info available.
#2  0x4094c7ee in __pthread_alt_lock () from /lib/libpthread.so.0
No symbol table info available.
#3  0x40949b17 in pthread_mutex_lock () from /lib/libpthread.so.0
No symbol table info available.
#4  0x40786ecc in QRecursiveMutexPrivate::lock() ()
   from /usr/qt/3/lib/libqt-mt.so.3
No symbol table info available.
#5  0x407872d4 in QMutex::lock() () from /usr/qt/3/lib/libqt-mt.so.3
No symbol table info available.
#6  0x404db114 in QApplication::lock() () from
/usr/qt/3/lib/libqt-mt.so.3
No symbol table info available.
#7  0x400cfbbd in WriteStringList(QSocket*, QStringList&)
(socket=0x838db20,
    list=@0x4259999c) at util.cpp:41
        temp = 1113168864
        str = {static null = {
    static null = <same as static member of an already seen type>,
    d = 0x830ff80, static shared_null = 0x830ff80}, d = 0x83cd008,
  static shared_null = 0x830ff80}
        utf8 = <incomplete type>
        size = 55
        written = 0
        payload = <incomplete type>
#8  0x080e42ce in RemoteEncoder::SendReceiveStringList(QStringList&) (
    this=0x838eda0, strlist=@0x4259999c) at remoteencoder.cpp:52
No locals.
#9  0x080e4d09 in RemoteEncoder::GetFreeSpace(long long)
(this=0x838eda0,
    totalreadpos=0) at remoteencoder.cpp:146
        strlist = {<QValueList<QString>> = {sh = 0x842dbd0}, <No data
fields>}
        retval = 5316280320
#10 0x080ebe65 in RingBuffer::GetFreeSpace() (this=0x83a1df0)
    at RingBuffer.cpp:1132
No locals.
#11 0x080a57ea in NuppelVideoPlayer::StartPlaying() (this=0x41c9f008)
    at NuppelVideoPlayer.cpp:1691
        output_audio = 65541
        output_video = 81926
        pausecheck = 20
#12 0x0808123b in SpawnDecode(void*) (param=0x41c9f008) at
tv_play.cpp:118
        nvp = (NuppelVideoPlayer *) 0x41c9f008
#13 0x40948cc0 in pthread_start_thread () from /lib/libpthread.so.0
No symbol table info available.
#14 0x40948dc2 in pthread_start_thread_event () from
/lib/libpthread.so.0
No symbol table info available.
Thread 3 (Thread 16386 (LWP 5396)):
#0  0x4094dffb in read () from /lib/libpthread.so.0
No symbol table info available.
#1  0x40937384 in __JCR_LIST__ () from /usr/qt/3/lib/libqt-mt.so.3
No symbol table info available.
#2  0x404ed421 in QEventLoop::processEvents(unsigned, int) ()
   from /usr/qt/3/lib/libqt-mt.so.3
No symbol table info available.
#3  0x404d96a0 in QApplication::processEvents(int) ()
   from /usr/qt/3/lib/libqt-mt.so.3
No symbol table info available.
#4  0x404d9667 in QApplication::processEvents() ()
   from /usr/qt/3/lib/libqt-mt.so.3
No symbol table info available.
#5  0x400ab26a in RemoteFile::openSocket(bool, bool) (this=0x838fa00,
    control=false, events=true) at remotefile.cpp:83
        qurl = <incomplete type>
        host = {static null = {
    static null = <same as static member of an already seen type>,
    d = 0x830ff80, static shared_null = 0x830ff80}, d = 0x84bfa90,
  static shared_null = 0x830ff80}
        port = 6543
        dir = {static null = {
    static null = <same as static member of an already seen type>,
    d = 0x830ff80, static shared_null = 0x830ff80}, d = 0x83c66a0,
  static shared_null = 0x830ff80}
        sock = (struct QSocket *) 0x84dcd78
        num = 0
        hostname = {static null = {
    static null = <same as static member of an already seen type>,
    d = 0x830ff80, static shared_null = 0x830ff80}, d = 0x83903d8,
  static shared_null = 0x830ff80}
        strlist = {<QValueList<QString>> = {sh = 0x84288f0}, <No data
fields>}
#6  0x400ab0f1 in RemoteFile::Start(bool) (this=0x838fa00, events=true)
    at remotefile.cpp:62
No locals.
#7  0x400ac469 in RemoteFile::SaveAs(QMemArray<char>&, bool)
(this=0x838fa00,
    data=@0x41c9e7ac, events=true) at remotefile.cpp:280
No locals.
#8  0x4009e508 in MythContext::CacheRemotePixmap(QString const&, bool) (
    this=0x838e5a0, url=@0x41c9e84c, needevents=true) at
mythcontext.cpp:635
        qurl = <incomplete type>
        rf = (RemoteFile *) 0x838fa00
        data = {<> = {<No data fields>}, <No data fields>}
        ret = false
#9  0x080cca21 in OSDTypeImage::LoadImage(QString const&, float, float,
int, int) (this=0x8570450, filename=@0x84cf220, wmult=0.75, hmult=1,
scalew=30,
    scaleh=30) at osdtypes.cpp:551
        url = {static null = {
    static null = <same as static member of an already seen type>,
    d = 0x830ff80, static shared_null = 0x830ff80}, d = 0x83c6060,
  static shared_null = 0x830ff80}
        cached = (QImage *) 0x8
        tmpimage = {data = 0x84d9080}
        width = 8
        height = 1103751268
        tmp2 = {data = 0x83c6060}
#10 0x080c1bde in OSD::SetTextByRegexp(QString const&, QMap<QString,
QString>&, int) (this=0x83d6fa8, name=@0x41c9e92c,
regexpMap=@0x41c9e93c, length=3)
    at osd.cpp:898
        cs = (class OSDTypeImage *) 0x8570450
        container = (OSDSet *) 0x8567608
#11 0x080885b4 in TV::UpdateOSD() (this=0x839f368) at tv_play.cpp:1687
        regexpMap = {sh = 0x84f3838}
#12 0x080877c1 in TV::ChangeChannel(int) (this=0x839f368, direction=0)
    at tv_play.cpp:1478
        muted = false
#13 0x080852dd in TV::ProcessKeypress(int) (this=0x839f368,
keypressed=338)
    at tv_play.cpp:1015
        was_doing_ff_rew = false
#14 0x080842a5 in TV::RunTV() (this=0x839f368) at tv_play.cpp:736
        keypressed = 338
        pausecheck = 15666
#15 0x0808415b in TV::EventThread(void*) (param=0x839f368) at
tv_play.cpp:700
        thetv = (class TV *) 0x839f368
#16 0x40948cc0 in pthread_start_thread () from /lib/libpthread.so.0
No symbol table info available.
#17 0x40948dc2 in pthread_start_thread_event () from
/lib/libpthread.so.0
No symbol table info available.
 
Thread 2 (Thread 32769 (LWP 5395)):
#0  0x40b58a45 in poll () from /lib/libc.so.6
No symbol table info available.
#1  0x409488d0 in __pthread_manager () from /lib/libpthread.so.0
No symbol table info available.
#2  0x40948b1a in __pthread_manager_event () from /lib/libpthread.so.0
No symbol table info available.
 
Thread 1 (Thread 16384 (LWP 5392)):
#0  0x40ab2c46 in sigsuspend () from /lib/libc.so.6
No symbol table info available.
#1  0x4094b0c9 in __pthread_wait_for_restart_signal ()
   from /lib/libpthread.so.0
No symbol table info available.
#2  0x4094c7ee in __pthread_alt_lock () from /lib/libpthread.so.0
No symbol table info available.
#3  0x40949b17 in pthread_mutex_lock () from /lib/libpthread.so.0
No symbol table info available.
#4  0x40786ecc in QRecursiveMutexPrivate::lock() ()
   from /usr/qt/3/lib/libqt-mt.so.3
No symbol table info available.
#5  0x407872d4 in QMutex::lock() () from /usr/qt/3/lib/libqt-mt.so.3
No symbol table info available.
#6  0x40491509 in QEventLoop::processEvents(unsigned) ()
   from /usr/qt/3/lib/libqt-mt.so.3
No symbol table info available.
#7  0x404ed421 in QEventLoop::processEvents(unsigned, int) ()
   from /usr/qt/3/lib/libqt-mt.so.3
No symbol table info available.
#8  0x404d96a0 in QApplication::processEvents(int) ()
   from /usr/qt/3/lib/libqt-mt.so.3
No symbol table info available.
#9  0x404d9667 in QApplication::processEvents() ()
   from /usr/qt/3/lib/libqt-mt.so.3
No symbol table info available.
#10 0x080650ea in main (argc=1, argv=0xbffff734) at main.cpp:72
        a = <incomplete type>
        themename = {static null = {
    static null = <same as static member of an already seen type>,
    d = 0x830ff80, static shared_null = 0x830ff80}, d = 0x838e670,
  static shared_null = 0x830ff80}
        themedir = {static null = {
    static null = <same as static member of an already seen type>,
    d = 0x830ff80, static shared_null = 0x830ff80}, d = 0x83961a8,
  static shared_null = 0x830ff80}
        db = (struct QSqlDatabase *) 0x8396208
        server = {static null = {
    static null = <same as static member of an already seen type>,
    d = 0x830ff80, static shared_null = 0x830ff80}, d = 0x839d298,
  static shared_null = 0x830ff80}
        port = 6543
        tv = (class TV *) 0x839f368
#11 0x40a9f7a6 in __libc_start_main () from /lib/libc.so.6
No symbol table info available.
#0  0x40ab2c46 in sigsuspend () from /lib/libc.so.6

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