[mythtv-users] Erratic failure. Wonky database connexion?

Mon Jul 7 06:35:50 UTC 2008

And another one:

Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:01:43.856 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:01:52.334 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:01:52.572 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:01:52.628 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:01:53.768 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:01:53.821 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:01:53.925 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:01:54.030 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:01:54.082 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:01:54.135 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:01:54.136 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:01:54.239 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:01:54.240 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:01:54.292 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:01:54.343 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:01:54.344 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:01:54.393 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:01:54.756 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:01:54.778 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:09.653 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:02:10.068 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:13.252 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:13.664 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:14.220 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:02:14.340 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:23.077 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:23.180 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:23.231 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:23.232 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:02:23.492 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:24.116 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:24.164 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:24.165 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:24.424 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:02:24.532 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:56.046 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:56.097 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:56.824 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:02:56.824 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:57.140 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:02:57.140 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:57.196 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:57.249 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:57.250 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:57.405 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:02:57.452 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:58.498 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:02:58.549 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:02:58.549 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:03:00.888 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:03:00.944 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:03:00.944 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:03:00.997 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:03:02.510 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:03:02.561 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:03:03.549 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:03:04.380 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:03:04.380 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:03:05.113 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:03:05.168 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:03:07.037 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:03:07.084 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:03:07.089 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:03:07.188 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:03:07.244 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:03:07.352 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:03:07.404 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:03:08.908 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:03:08.908 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:03:11.098 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:03:11.149 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:03:11.201 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:03:11.252 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:03:11.252 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:03:11.304 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
QSqlQuery::exec: empty query
2008-07-07 02:03:11.360 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
2008-07-07 02:03:12.345 DB Error (Looking up chanID):
Query was:
SELECT chanid, useonairguide FROM channel, dtv_multiplex WHERE serviceid        = 25856   AND       networkid        = 9018   AND       transportid      = 24576 AND       channel.mplexid  = dtv_multiplex.mplexid
No error type from QSqlError?  Strange...
2008-07-07 02:03:12.400 DB Error (Looking up chanID):
Query was:
SELECT chanid, useonairguide FROM channel, dtv_multiplex WHERE serviceid        = 25920   AND       networkid        = 9018   AND       transportid      = 24576 AND       channel.mplexid  = dtv_multiplex.mplexid
No error type from QSqlError?  Strange...
2008-07-07 02:03:12.453 DB Error (Looking up chanID):
Query was:

No error type from QSqlError?  Strange...
*** glibc detected *** /opt/mythtv/bin/mythbackend: munmap_chunk(): invalid pointer: 0x082249d8 ***
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6(cfree+0x1bb)[0xb5b6961b]
/usr/lib/libstdc++.so.6(_ZdlPv+0x21)[0xb5d30b11]
/usr/lib/libqt-mt.so.3(_ZN11QStringData10deleteSelfEv+0x2e)[0xb660c3ba]
/opt/mythtv/lib/libmyth-0.21.so.0[0xb6bd34bd]
/opt/mythtv/lib/libmyth-0.21.so.0(_ZN12MSqlDatabase12KickDatabaseEv+0x48)[0xb6c51086]
/opt/mythtv/lib/libmyth-0.21.so.0(_ZN9MSqlQuery7InitConEv+0x73)[0xb6c52ddb]
/opt/mythtv/lib/libmythtv-0.21.so.0[0xb7c28fec]
/opt/mythtv/lib/libmythtv-0.21.so.0[0xb7c295b9]
/opt/mythtv/lib/libmythtv-0.21.so.0[0xb7c2b44d]
/opt/mythtv/lib/libmythtv-0.21.so.0[0xb7945b29]
/opt/mythtv/lib/libmythtv-0.21.so.0[0xb791c034]
/opt/mythtv/lib/libmythtv-0.21.so.0[0xb7915e1d]
/opt/mythtv/lib/libmythtv-0.21.so.0[0xb7912c4b]
/opt/mythtv/lib/libmythtv-0.21.so.0[0xb7d45430]
/opt/mythtv/lib/libmythtv-0.21.so.0[0xb7d45b84]
/opt/mythtv/lib/libmythtv-0.21.so.0[0xb7d45b9d]
/lib/tls/i686/cmov/libpthread.so.0[0xb5d714fb]
/lib/tls/i686/cmov/libc.so.6(clone+0x5e)[0xb5bd0e5e]
======= Memory map: ========
08048000-0814c000 r-xp 00000000 09:00 175137     /opt/mythtv/bin/mythbackend
0814c000-0814e000 rw-p 00103000 09:00 175137     /opt/mythtv/bin/mythbackend
0814e000-084a2000 rw-p 0814e000 00:00 0          [heap]
9f200000-9f2f1000 rw-p 9f200000 00:00 0 
9f2f1000-9f300000 ---p 9f2f1000 00:00 0 
9f400000-9f500000 rw-p 9f400000 00:00 0 
9f5fe000-9f5ff000 ---p 9f5fe000 00:00 0 
9f5ff000-9fdff000 rwxp 9f5ff000 00:00 0 
9fdff000-9fe00000 ---p 9fdff000 00:00 0 
9fe00000-a0600000 rwxp 9fe00000 00:00 0 
a0600000-a0700000 rw-p a0600000 00:00 0 
a0f10000-a0f11000 ---p a0f10000 00:00 0 
a0f11000-a1711000 rwxp a0f11000 00:00 0 
a77c3000-a77c4000 ---p a77c3000 00:00 0 
a77c4000-a7fc4000 rwxp a77c4000 00:00 0 
a7fc4000-a7fc5000 ---p a7fc4000 00:00 0 
a7fc5000-a87c5000 rwxp a7fc5000 00:00 0 
a87c5000-a87c6000 ---p a87c5000 00:00 0 
a87c6000-a8fc6000 rwxp a87c6000 00:00 0 
a94c7000-a9548000 rw-p a94c7000 00:00 0 
a9900000-a995f000 rw-p a9900000 00:00 0 
a995f000-a9a00000 ---p a995f000 00:00 0 
a9a98000-a9a99000 ---p a9a98000 00:00 0 
a9a99000-aa299000 rwxp a9a99000 00:00 0 
aa299000-aa7fb000 rw-p aa299000 00:00 0 
aa7fb000-aa7fc000 ---p aa7fb000 00:00 0 
aa7fc000-aaffc000 rwxp aa7fc000 00:00 0 
aaffc000-aaffd000 ---p aaffc000 00:00 0 
aaffd000-ab7fd000 rwxp aaffd000 00:00 0 
ab7fd000-ab7fe000 ---p ab7fd000 00:00 0 
ab7fe000-abffe000 rwxp ab7fe000 00:00 0 
abffe000-abfff000 ---p abffe000 00:00 0 
abfff000-ac7ff000 rwxp abfff000 00:00 0 
ac7ff000-ac800000 ---p ac7ff000 00:00 0 
ac800000-ad000000 rwxp ac800000 00:00 0 
ad000000-ad100000 rw-p ad000000 00:00 0 
ad15d000-ad15e000 ---p ad15d000 00:00 0 
ad15e000-ad95e000 rwxp ad15e000 00:00 0 
ad95e000-ad95f000 ---p ad95e000 00:00 0 
ad95f000-ae15f000 rwxp ad95f000 00:00 0 
ae15f000-ae160000 ---p ae15f000 00:00 0 
ae160000-ae960000 rwxp ae160000 00:00 0 
ae960000-ae961000 r--p 00000000 09:00 1739947    /usr/share/locale-langpack/en_GB/LC_MESSAGES/libc.mo
ae961000-ae962000 ---p ae961000 00:00 0 
ae962000-af162000 rwxp ae962000 00:00 0 
af162000-af163000 ---p af162000 00:00 0 
af163000-af963000 rwxp af163000 00:00 0 
af963000-af964000 ---p af963000 00:00 0 
af964000-b0164000 rwxp af964000 00:00 0 
b0164000-b0165000 ---p b0164000 00:00 0 
b0165000-b0965000 rwxp b0165000 00:00 0 
b0965000-b0966000 ---p b0965000 00:00 0 
b0966000-b1166000 rwxp b0966000 00:00 0 
b1166000-b1167000 ---p b1166000 00:00 0 
b1167000-b1967000 rwxp b1167000 00:00 0 
b1967000-b1968000 ---p b1967000 00:00 0 
b1968000-b2168000 rwxp b1968000 00:00 0 
b2168000-b2169000 ---p b2168000 00:00 0 
b2169000-b2969000 rwxp b2169000 00:00 0 
b2969000-b296a000 ---p b2969000 00:00 0 
b296a000-b316a000 rwxp b296a000 00:00 0 
b316a000-b316b000 ---p b316a000 00:00 0 
b316b000-b396b000 rwxp b316b000 00:00 0 
b396b000-b396c000 ---p b396b000 00:00 0 
b396c000-b416c000 rwxp b396c000 00:00 0 
b416c000-b416d000 ---p b416c000 00:00 0 
b416d000-b496d000 rwxp b416d000 00:00 0 
b496d000-b4976000 r-xp 00000000 09:00 991392     /lib/tls/i686/cmov/libnss_files-2.7.so
b49
Program received signal SIGABRT, Aborted.
[Switching to Thread 0xa05ffb90 (LWP 2847)]
0xb7f8b410 in __kernel_vsyscall ()
(gdb) bt
#0  0xb7f8b410 in __kernel_vsyscall ()
#1  0xb5b25085 in raise () from /lib/tls/i686/cmov/libc.so.6
#2  0xb5b26a01 in abort () from /lib/tls/i686/cmov/libc.so.6
#3  0xb5b5db7c in ?? () from /lib/tls/i686/cmov/libc.so.6
#4  0xb5b6961b in free () from /lib/tls/i686/cmov/libc.so.6
#5  0xb5d30b11 in operator delete () from /usr/lib/libstdc++.so.6
#6  0xb660c3ba in QStringData::deleteSelf () from /usr/lib/libqt-mt.so.3
#7  0xb6bd34bd in ~QString (this=0xa05fecdc) at ../../../../../../include/qt3/qstring.h:851
#8  0xb6c51086 in MSqlDatabase::KickDatabase (this=0x824b120) at mythdbcon.cpp:133
#9  0xb6c52ddb in MSqlQuery::InitCon () at mythdbcon.cpp:321
#10 0xb7c28fec in get_chan_id_from_db (sourceid=0, serviceid=26368, networkid=9018, transportid=24576) at eithelper.cpp:640
#11 0xb7c295b9 in EITHelper::GetChanID (this=0x8277c10, serviceid=26368, networkid=9018, tsid=24576) at eithelper.cpp:604
#12 0xb7c2b44d in EITHelper::AddEIT (this=0x8277c10, eit=0xa05feff0) at eithelper.cpp:314
#13 0xb7945b29 in DVBStreamData::HandleTables (this=0xad07d9e0, pid=18, psip=@0x832e630) at mpeg/dvbstreamdata.cpp:347
#14 0xb791c034 in MPEGStreamData::HandleTSTables (this=0xad07da60, tspacket=0xaa54b900) at mpeg/mpegstreamdata.cpp:920
#15 0xb7915e1d in MPEGStreamData::ProcessTSPacket (this=0xad07da60, tspacket=@0xaa54b900) at mpeg/mpegstreamdata.cpp:991
#16 0xb7912c4b in MPEGStreamData::ProcessData (this=0xad07da60, 
    buffer=0xaa54a008 "G\v\206\023�\002�%'\001糮\230�Q�.|b�\210�MM�\206��\021��S尾�W��D�_{�|�v\237裤FR\222�\203s\024\215\035�J\005\230[�\004�`���\001H:�\234�=�", len=25192) at mpeg/mpegstreamdata.cpp:944
#17 0xb7d45430 in DVBStreamHandler::RunTS (this=0xad0492a0) at dvbstreamhandler.cpp:334
#18 0xb7d45b84 in DVBStreamHandler::Run (this=0xad0492a0) at dvbstreamhandler.cpp:221
#19 0xb7d45b9d in run_dvb_stream_handler_thunk (param=0xad0492a0) at dvbstreamhandler.cpp:173
#20 0xb5d714fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#21 0xb5bd0e5e in clone () from /lib/tls/i686/cmov/libc.so.6