[mythtv-commits] Ticket #6299: mythbackend segmentation fault

MythTV mythtv at cvs.mythtv.org
Mon Feb 23 23:06:23 UTC 2009


#6299: mythbackend segmentation fault
-------------------------------------------+--------------------------------
 Reporter:  Simon Kenyon <simon at koala.ie>  |        Owner:  ijr    
     Type:  defect                         |       Status:  new    
 Priority:  minor                          |    Milestone:  unknown
Component:  MythTV - General               |      Version:  head   
 Severity:  medium                         |   Resolution:         
  Mlocked:  0                              |  
-------------------------------------------+--------------------------------

Comment(by Dibblah):

 {{{
 Program received signal SIGSEGV, Segmentation fault.
 [Switching to Thread 0x54224950 (LWP 27880)]
 0x00007f28d568f696 in QTextCodec::toUnicode (this=0x0, in=0x54222f51
 ",4Á\017Ž\b'?Œ@ƳÞñV0³Ó\004ú@nÖ\víèÚ«\021¿¯ŽÅ \026\022", length=131,
 state=0x0) at /usr/include/qt4/QtCore/qtextcodec.h:107
 107             { return convertToUnicode(in, length, state); }

 Thread 932 (Thread 0x54224950 (LWP 27880)):
 #0  0x00007f28d568f696 in QTextCodec::toUnicode (this=0x0, in=0x54222f51
 ",4Á\017Ž\b'?Œ@ƳÞñV0³Ó\004ú@nÖ\víèÚ«\021¿¯ŽÅ \026\022", length=131,
 state=0x0) at /usr/include/qt4/QtCore/qtextcodec.h:107
 No locals.
 #1  0x00007f28d568f2e9 in dvb_decode_text (src=0x7f28c49185d7
 "\b,4Á\203\017Ž\b'\237?Œ@Æ\202³Þñ\207\207V\2200³Ó\004\215ú@n\234\227Ö\víèÚ«\237\021¿\236¯ŽÅ\212\026\022\230\222\200",
 raw_length=164, encoding_override=0x0, encoding_override_length=0) at
 mpeg/dvbdescriptors.cpp:118
         dst = 0x54222f50 "\b,4Á\017Ž\b'?Œ@ƳÞñV0³Ó\004ú@nÖ\víèÚ«\021¿¯ŽÅ
 \026\022"
         length = 132
         buf = (const unsigned char *) 0x54222f50
 "\b,4Á\017Ž\b'?Œ@ƳÞñV0³Ó\004ú@nÖ\víèÚ«\021¿¯ŽÅ \026\022"
 #2  0x00007f28d5648b8d in dvb_decode_text (src=0x7f28c49185d7
 "\b,4Á\203\017Ž\b'\237?Œ@Æ\202³Þñ\207\207V\2200³Ó\004\215ú@n\234\227Ö\víèÚ«\237\021¿\236¯ŽÅ\212\026\022\230\222\200",
 length=164) at mpeg/dvbdescriptors.h:48
 No locals.
 #3  0x00007f28d5686bfa in ShortEventDescriptor::EventName
 (this=0x54223190) at mpeg/dvbdescriptors.h:1438
 No locals.
 #4  0x00007f28d59aee57 in parse_dvb_event_descriptors (list=@0x54223460,
 fix=5, languagePreferences=@0x54223450, title=@0x54223400,
 subtitle=@0x542233f0, description=@0x542233e0) at eithelper.cpp:262
         sed = {<MPEGDescriptor> = {_vptr.MPEGDescriptor = 0x7f28d5f88a10,
 _data = 0x7f28c49185d1
 "M]e\207]€\b,4Á\203\017Ž\b'\237?Œ@Æ\202³Þñ\207\207V\2200³Ó\004\215ú@n\234\227Ö\víèÚ«\237\021¿\236¯ŽÅ\212\026\022\230\222\200"},
 <No data fields>}
         bestShortEvent = (const unsigned char *) 0x7f28c49185d1
 "M]e\207]€\b,4Á\203\017Ž\b'\237?Œ@Æ\202³Þñ\207\207V\2200³Ó\004\215ú@n\234\227Ö\víèÚ«\237\021¿\236¯ŽÅ\212\026\022\230\222\200"
         enc_1 = "\020\000\001"
         enc_15 = "\020\000\017"
         enc_len = 0
         enc = (const unsigned char *) 0x0
         bestExtendedEvents = {<std::_Vector_base<const unsigned
 char*,std::allocator<const unsigned char*> >> = {_M_impl =
 {<std::allocator<const unsigned char*>> = {<__gnu_cxx::new_allocator<const
 unsigned char*>> = {<No data fields>}, <No data fields>}, _M_start =
 0x7f28c09cdea0, _M_finish = 0x7f28c09cde70, _M_end_of_storage =
 0x542231f0}}, <No data fields>}
 #5  0x00007f28d59b0420 in EITHelper::AddEIT (this=0x9594c0,
 eit=0x54223590) at eithelper.cpp:365
         subtitle = {static null = {<No data fields>}, static shared_null =
 {ref = {value = 9010}, alloc = 0, size = 0, data = 0x73d97a, clean = 0,
 simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0, reserved =
 0, array = {0}}, static shared_empty = {ref = {value = 6838}, alloc = 0,
 size = 0, data = 0x7f28cefb071a, clean = 0, simpletext = 0, righttoleft =
 0, asciiCache = 0, capacity = 0, reserved = 0, array = {0}}, d =
 0x7f28cefb0700, static codecForCStrings = 0x0}
         subtitle_type = 0 '\0'
         dish_event_name = (const unsigned char *) 0x0
         content_data = (const unsigned char *) 0x7f28c4918532 "T\002P"
         event = (DBEvent *) 0x7f28c084b4f0
         category = {static null = {<No data fields>}, static shared_null =
 {ref = {value = 9010}, alloc = 0, size = 0, data = 0x73d97a, clean = 0,
 simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0, reserved =
 0, array = {0}}, static shared_empty = {ref = {value = 6838}, alloc = 0,
 size = 0, data = 0x7f28cefb071a, clean = 0, simpletext = 0, righttoleft =
 0, asciiCache = 0, capacity = 0, reserved = 0, array = {0}}, d =
 0x7f28cefb0700, static codecForCStrings = 0x0}
         category_type = kCategoryNone
         audio_props = 0 '\0'
         list = {<std::_Vector_base<const unsigned
 char*,std::allocator<const unsigned char*> >> = {_M_impl =
 {<std::allocator<const unsigned char*>> = {<__gnu_cxx::new_allocator<const
 unsigned char*>> = {<No data fields>}, <No data fields>}, _M_start =
 0x7f28c09cde70, _M_finish = 0x7f28c09cdea0, _M_end_of_storage =
 0x7f28c09cdeb0}}, <No data fields>}
         programId = {static null = {<No data fields>}, static shared_null
 = {ref = {value = 9010}, alloc = 0, size = 0, data = 0x73d97a, clean = 0,
 simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0, reserved =
 0, array = {0}}, static shared_empty = {ref = {value = 6838}, alloc = 0,
 size = 0, data = 0x7f28cefb071a, clean = 0, simpletext = 0, righttoleft =
 0, asciiCache = 0, capacity = 0, reserved = 0, array = {0}}, d =
 0x7f28c0baad00, static codecForCStrings = 0x0}
         seriesId = {static null = {<No data fields>}, static shared_null =
 {ref = {value = 9010}, alloc = 0, size = 0, data = 0x73d97a, clean = 0,
 simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0, reserved =
 0, array = {0}}, static shared_empty = {ref = {value = 6838}, alloc = 0,
 size = 0, data = 0x7f28cefb071a, clean = 0, simpletext = 0, righttoleft =
 0, asciiCache = 0, capacity = 0, reserved = 0, array = {0}}, d =
 0x7f28c0baad40, static codecForCStrings = 0x0}
         starttime = {d = 0x7f28c0753150}
         title = {static null = {<No data fields>}, static shared_null =
 {ref = {value = 9010}, alloc = 0, size = 0, data = 0x73d97a, clean = 0,
 simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0, reserved =
 0, array = {0}}, static shared_empty = {ref = {value = 6838}, alloc = 0,
 size = 0, data = 0x7f28cefb071a, clean = 0, simpletext = 0, righttoleft =
 0, asciiCache = 0, capacity = 0, reserved = 0, array = {0}}, d =
 0x7f28cefb0700, static codecForCStrings = 0x0}
         description = {static null = {<No data fields>}, static
 shared_null = {ref = {value = 9010}, alloc = 0, size = 0, data = 0x73d97a,
 clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0,
 reserved = 0, array = {0}}, static shared_empty = {ref = {value = 6838},
 alloc = 0, size = 0, data = 0x7f28cefb071a, clean = 0, simpletext = 0,
 righttoleft = 0, asciiCache = 0, capacity = 0, reserved = 0, array = {0}},
 d = 0x7f28cefb0700, static codecForCStrings = 0x0}
         video_props = 0 '\0'
         contentIds = {<std::_Vector_base<const unsigned
 char*,std::allocator<const unsigned char*> >> = {_M_impl =
 {<std::allocator<const unsigned char*>> = {<__gnu_cxx::new_allocator<const
 unsigned char*>> = {<No data fields>}, <No data fields>}, _M_start =
 0x7f28c04683e0, _M_finish = 0x7f28c04683f0, _M_end_of_storage =
 0x7f28c04683f0}}, <No data fields>}
         endtime = {d = 0x7f28c0127d20}
         i = 9
         descCompression = 1
         fix = 5
         chanid = 11352
         tableid = 96
         version = 1
 #6  0x00007f28d5678d26 in DVBStreamData::HandleTables
 (this=0x7f28c07e8b10, pid=3842, psip=@0x7f28c055cac0) at
 mpeg/dvbstreamdata.cpp:354
         locker = {{mtx = 0x7f28c07e8d09, val = 139813004938505}}
         service_id = 10352
         eit = {<PSIPTable> = {<PESPacket> = {_vptr.PESPacket =
 0x7f28d5f87d90, _pesdata = 0x7f28c4918015 "`ö2(pÚø\b", _fullbuffer =
 0x7f28c4918010 "GO\002\032", _psiOffset = 4, _ccLast = 2, _pesdataSize =
 1660, _allocSize = 3844, _badPacket = false}, static PSIP_OFFSET = 8},
 _ptrs = {<std::_Vector_base<const unsigned char*,std::allocator<const
 unsigned char*> >> = {_M_impl = {<std::allocator<const unsigned char*>> =
 {<__gnu_cxx::new_allocator<const unsigned char*>> = {<No data fields>},
 <No data fields>}, _M_start = 0x7f28c09cdec0, _M_finish = 0x7f28c09cdf18,
 _M_end_of_storage = 0x7f28c09cdf40}}, <No data fields>}}
 #7  0x00007f28d565369a in MPEGStreamData::HandleTSTables
 (this=0x7f28c07e8c08, tspacket=0xf420f8) at mpeg/mpegstreamdata.cpp:922
         morePSIPPackets = true
         psip = (class PSIPTable *) 0x7f28c055cac0
         buggy = false
 #8  0x00007f28d564bde1 in MPEGStreamData::ProcessTSPacket
 (this=0x7f28c07e8c08, tspacket=@0xf420f8) at mpeg/mpegstreamdata.cpp:997
         ok = true
 #9  0x00007f28d5648e1f in MPEGStreamData::ProcessData
 (this=0x7f28c07e8c08, buffer=0xf41f80 "G\t\001\036 `", len=752) at
 mpeg/mpegstreamdata.cpp:947
         pkt = (const TSPacket *) 0xf420f8
         pos = 376
         resync = false
 #10 0x00007f28d5b09638 in DVBStreamHandler::RunTS (this=0x7f28c0339440) at
 dvbstreamhandler.cpp:355
         i = 0
         len = 752
         remainder = 0
         buffer_size = 2820000
         buffer = (unsigned char *) 0xf41f80 "G\t\001\036 `"
         dvr_dev_path = {static shared_null = {ref = {value = 4}, alloc =
 0, size = 0, data = 0x7f28cefb05b8 "", array = ""}, static shared_empty =
 {ref = {value = 2}, alloc = 0, size = 0, data = 0x7f28cefb05d8 "", array =
 ""}, d = 0x1b68780}
         dvr_fd = 39
         _error = false
         fd_select_set = {fds_bits = {549755813888, 0 <repeats 15 times>}}
 #11 0x00007f28d5b09ed5 in DVBStreamHandler::Run (this=0x7f28c0339440) at
 dvbstreamhandler.cpp:233
 No locals.
 #12 0x00007f28d5b09ef5 in run_dvb_stream_handler_thunk
 (param=0x7f28c0339440) at dvbstreamhandler.cpp:174
         mon = (DVBStreamHandler *) 0x7f28c0339440
 #13 0x00007f28ce6e2047 in start_thread () from /lib/libpthread.so.0
 No symbol table info available.
 #14 0x00007f28cdac728d in clone () from /lib/libc.so.6
 No symbol table info available.
 #15 0x0000000000000000 in ?? ()
 No symbol table info available.
 }}}

-- 
Ticket URL: <http://svn.mythtv.org/trac/ticket/6299#comment:1>
MythTV <http://www.mythtv.org/>
MythTV


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