Public bug reported:
Binary package hint: mythtv-backend
Hi,
Randomly and without warning, mythbackend will silently fail without
actually exiting. From the moment of failure onwards, it is unable to
perform any database queries, but will continue to serve data to some
functions.
The log will switch from normal logging, to errors pertaining to
QSqlQuery::exec: failures, and Query failures. Such as -
2009-01-23 20:40:14.676 Scheduled 76 items in 0.4 = 0.02 match + 0.40 place
2009-01-23 20:42:15.071 MainServer::HandleAnnounce Monitor
2009-01-23 20:42:15.075 adding: flat as a client (events: 0)
QSqlQuery::exec: empty query
QSqlQuery::exec: empty query
QSqlQuery::exec: empty query
I have been unable to ascertain the source of the problem, as it appears
to happen whilst the system is not in use (ie, whilst at work, or late
at night). I have aattached a more comprehensive log in case it may be
useful.
Regards
Kyle
The following information may apply...
ii libmyth-0.21-0 0.21.0+fixes16838-0ubuntu3.1
Common library code for MythTV and add-on mo
ii libmyth-perl 0.21.0+fixes16838-0ubuntu3.1 A
PERL library to access some MythTV feature
ii mythtv-backend 0.21.0+fixes16838-0ubuntu3.1 A
personal video recorder application (serve
ii mythtv-backend-master 0.21.0+fixes16838-0ubuntu3.1
Metapackage to setup and configure a "Master
ii mythtv-common 0.21.0+fixes16838-0ubuntu3.1 A
personal video recorder application (commo
ii mythtv-database 0.21.0+fixes16838-0ubuntu3.1 A
personal video recorder application (datab
ii mythtv-transcode-utils 0.21.0+fixes16838-0ubuntu3.1
Utilities used for transcoding MythTV tasks
ii mythweb 0.21.0+fixes16838-0ubuntu2.1 Web
interface add-on module for MythTV
Linux flat 2.6.24-23-generic #1 SMP Mon Jan 26 00:13:11 UTC 2009 i686
GNU/Linux
Description: Ubuntu 8.04.2
Release: 8.04
ii libdbd-mysql-perl 4.005-1 A
Perl5 database interface to the MySQL data
ii libmysqlclient15off 5.0.51a-3ubuntu5.4
MySQL database client library
ii libqt3-mt-mysql 3:3.3.8-b-0ubuntu3
MySQL database driver for Qt3 (Threaded)
ii mysql-client 5.0.51a-3ubuntu5.4
MySQL database client (meta package dependin
ii mysql-client-5.0 5.0.51a-3ubuntu5.4
MySQL database client binaries
ii mysql-common 5.0.51a-3ubuntu5.4
MySQL database common files
ii mysql-server 5.0.51a-3ubuntu5.4
MySQL database server (meta package dependin
ii mysql-server-5.0 5.0.51a-3ubuntu5.4
MySQL database server binaries
** Affects: mythtv (Ubuntu)
Importance: Undecided
Status: New
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mythbackend silently fails with QSqlQuery::exec: empty query
https://bugs.launchpad.net/bugs/330272
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