[mythtv] Backtrace for SEGV while editing recording

[Isaac Richards]

Actually, please get this back into GDB and do a:

print m_displaypos
print m_imagesize

or if those don't work:
print m_displaypos.x()
print m_displaypos.y()
print m_imagesize.width()
print m_imagesize.height()

On Wednesday 27 April 2005 01:50 pm, Neale Swinnerton wrote:
> Thought I'd add to this that I've been trying to track down a problem
> with a recording on the User list ( see
> http://www.gossamer-threads.com/lists/mythtv/users/127287 ), and the
> opinions there are that I might be getting signal dropouts on the
> channel that this recording was made on. Maybe the recorded stream is
> corrupt....
>
> Neale.
>
> Neale Swinnerton wrote:
> > 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\201
> >Ã\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
> >>_______________________________________________
> >>mythtv-dev mailing list
> >>mythtv-dev at mythtv.org
> >>http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev
> >
> > _______________________________________________
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>
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