[mythtv-commits] Ticket #7251: silent mythbackend failure has suddenly returned (possibly EIT stream related)

MythTV mythtv at cvs.mythtv.org
Tue Oct 6 13:03:21 UTC 2009


#7251: silent mythbackend failure has suddenly returned (possibly EIT stream
related)
---------------------------------------------+------------------------------
 Reporter:  Marc Randolph <mrand at pobox.com>  |        Owner:  ijr 
     Type:  defect                           |       Status:  new 
 Priority:  minor                            |    Milestone:  0.22
Component:  MythTV - General                 |      Version:  head
 Severity:  medium                           |   Resolution:      
  Mlocked:  0                                |  
---------------------------------------------+------------------------------

Comment(by Marc Randolph <mrand at pobox.com>):

 Crap.  Hate trac's automatic reformating.  Here is the important part:


 {{{
 2009-08-31 17:01:10.587 EITCache: Wrote 1 modified entries of 255 for
 channel 2734 to database.
 2009-08-31 17:01:11.264 EITScanner (1): Now looking for EIT data on
 multiplex of channel 12
 2009-08-31 17:01:11.265 EITCache: Pruning all entries that ended
 before UTC 2009-08-30T17:06:31
 2009-08-31 17:01:11.425 EITCache: Deleting old cache entries from the
 database
 2009-08-31 17:01:11.732 Created PMT
 Program Map Table ver(20) pid(0x3eb) pnum(1) len(67)

 Stream #0 pid(0x12d) type(video-mpeg2 0x2)
 Stream Identifier Descriptor (0x52) length(1)
 Stream #1 pid(0x12e) type(audio-mp2-layer[1,2,3] 0x4)
 Stream Identifier Descriptor (0x52) length(1)
 ISO-639 Language: code(eng) canonical(eng) eng(English)
 Stream #2 pid(0x130) type(audio-mp2-layer[1,2,3] 0x4)
 Stream Identifier Descriptor (0x52) length(1)
 ISO-639 Language: code(eng) canonical(eng) eng(English)
 Stream #3 pid(0x12f) type(private-data 0x6)
 Stream Identifier Descriptor (0x52) length(1)
 Subtitling Descriptor (0x59) length(8)

 2009-08-31 17:01:12.187 PESPacket: Failed CRC check 0x22160113 !=
 0xc3bfa4b5 for StreamID = 0x70
 2009-08-31 17:01:12.231 EITScanner (1): Started passive scan.
 2009-08-31 17:01:12.678 EITHelper: Added 2 events
 2009-08-31 17:01:13.118 EITHelper: Added 2 events
 2009-08-31 17:01:13.186 PESPacket: Failed CRC check 0x22160114 !=
 0xc3bfa4b5 for StreamID = 0x70
 2009-08-31 17:01:13.590 EITHelper: Added 3 events
 2009-08-31 17:01:14.038 EITHelper: Added 3 events
 QSqlQuery::exec: empty query
 QSqlQuery::exec: empty query

 .... this goes on for a long while, along with other EIT related log
 messages, until finally the empty queries give way to the dreaded DB
 Error event occurs at a seemingly random spot (because the DB Error varies
 across users):

 QSqlQuery::exec: empty query
 QSqlQuery::exec: empty query
 QSqlQuery::exec: empty query
 222yyyy-22MM-22dd 22hh:22mm:22ss.22zzz DB Error (Update next_record):

 The actual DB Error varies... "Looking up chanID" is another favorite.
 More complete logs are available on the launchpad bug referenced above.
 }}}

-- 
Ticket URL: <http://svn.mythtv.org/trac/ticket/7251#comment:1>
MythTV <http://www.mythtv.org/>
MythTV


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