[mythtv] Backtrace for SEGV while editing recording

[Neale Swinnerton]

How's this?


Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1224739760 (LWP 22077)]
0x41c1d7da in memcpy () from /lib/tls/libc.so.6
(gdb) bt full
#0  0x41c1d7da in memcpy () from /lib/tls/libc.so.6
No symbol table info available.
#1  0x402a4d7d in OSDTypeImage::Draw (this=0x48705de0,
surface=0x8d8fb88, fade=-1, maxfade=-1, xoff=0, yoff=0)
    at osdtypes.cpp:972
        y = -2147483648
        dest = (unsigned char *) 0x41822b14 "Ì4\v"
        destalpha = (unsigned char *) 0x48700520 "PdpH"
        src = (unsigned char *) 0x48705d24 "Ì\003!\bÌ\003!\b\025"
        srcalpha = (unsigned char *) 0x490001f0 "Ì\003!\bÈ\003!\b\b\002"
        udest = (
    unsigned char *) 0x402a98ff
"\211Â\213\006;\002\017\225À\017¶À\203Ä\020[^]ÃU\211åVS\203ì\020èñaùÿ\201Ã\t-<"
        vdest = (unsigned char *) 0x490001c8 "\b\002"
        usrc = (unsigned char *) 0x4066c628 "\220gd"
        vsrc = (unsigned char *) 0x490001f0 "Ì\003!\bÈ\003!\b\b\002"
        alpha = 1076537321
        iwidth = 14
        drawwidth = 14
        drawheight = 30
        ystart = 0
        xstart = 0
        startline = -2147483648
        startcol = 2147483646
        destRect = {x1 = 0, y1 = 0, x2 = 13, y2 = 29}
        needblend = false
        ysrcwidth = 0
        ydestwidth = 0
        uvsrcwidth = 1215324828
        uvdestwidth = 1096151720
        alphamod = 255
        startingx = 1224737216
#2  0x402a17f8 in OSDSet::Draw (this=0x48705c60, surface=0x8d8fb88,
actuallydraw=true) at osdtypes.cpp:370
        type = (class OSDType *) 0x48705de0
        i = {<std::iterator<std::random_access_iterator_tag, OSDType*,
int, OSDType**, OSDType*&>> = {<No data fields>}, _M_current = 0x82103c8}
#3  0x40298b32 in OSD::Display (this=0x8989de8) at osd.cpp:2013
        timedisp = (class OSDTypeText *) 0x0
        container = (class OSDSet *) 0x48705c60
        anytodisplay = true
        actuallydraw = true
        removeList = {<std::_Vector_base<OSDSet*,
std::allocator<OSDSet*> >> = {<std::_Vector_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 = {<std::iterator<std::random_access_iterator_tag, OSDSet*,
int, OSDSet**, OSDSet*&>> = {<No data fields>}, _M_current = 0x8203bc0}
#4  0x403c5316 in VideoOutput::DisplayOSD (this=0x87e2128,
frame=0x8988110, osd=0x8989de8, stride=-1, revision=-1)
    at videooutbase.cpp:967
        surface = (OSDSurface *) 0x8071065
        retval = -1
#5  0x404c17d2 in VideoOutputXv::ProcessFrameMem (this=0x87e2128,
frame=0x8988110, osd=0x8989de8, filterList=0x0,
    pipPlayer=0x0) at videoout_xv.cpp:2280
        deint_proc = true
        pauseframe = true
#6  0x404c19e9 in VideoOutputXv::ProcessFrame (this=0x87e2128,
frame=0x0, osd=0x8989de8, filterList=0x0,
    pipPlayer=0x0) at videoout_xv.cpp:2302
No locals.
#7  0x4027820f in NuppelVideoPlayer::DisplayPauseFrame (this=0x87995b0)
at NuppelVideoPlayer.cpp:1573
No locals.
#8  0x40278db9 in NuppelVideoPlayer::OutputVideoLoop (this=0x87995b0) at
NuppelVideoPlayer.cpp:1713
        temp_speed = 1
        fr_int = 40000
---Type <return> to continue, or q <return> to quit---
#9  0x4027907a in NuppelVideoPlayer::kickoffOutputVideoLoop
(player=0x87995b0) at NuppelVideoPlayer.cpp:1780
        nvp = (NuppelVideoPlayer *) 0x87995b0
#10 0x41a02bef in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#11 0x41c6be7a in clone () from /lib/tls/libc.so.6
No symbol table info available.




Isaac Richards wrote:
> On Sunday 24 April 2005 07:06 pm, Neale Swinnerton wrote:
> 
>>Hi,
>>
>>When I'm editing a particular recording I get a SEGV with the backtrace
>>shown below....It always happens at around the same point in the
>>recording, and It seems to only be this recording, so maybe the
>>recording has some corruption? This is with a CVS from around 00:00GMT
>>24/04/05. Let me know if I can collect any more useful information,
> 
> 
> A 'bt full' would provide a little more info.  I need to see the variables 
> being used in that memcpy that's it's dying on.
> 
> Isaac
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