[mythtv-users] Slave backend issues

Phil Bridges gravityhammer at gmail.com
Sat Jan 12 03:03:11 UTC 2008


On Jan 11, 2008 5:45 PM, Phil Bridges <gravityhammer at gmail.com> wrote:

> On Jan 11, 2008 5:39 PM, Brad DerManouelian <myth at dermanouelian.com>
> wrote:
>
> > On Jan 11, 2008, at 2:34 PM, Phil Bridges wrote:
> >
> > > I converted my old master backend to a slave backend last night.
> > > After some my.cnf wrangling, I got everything up and working - that
> > > is, until the flipping power went off for 20 seconds this
> > > afternoon.  Argh.
> > >
> > > Anyway, now, I 'm having problems with the slave backend
> > > connecting.  nmap shows ports 6543 and 6544 closed.  The slave
> > > backend log shows that it connects to the master backend as a
> > > slave.  The Master frontend log shows nothing of the sort.
> >
> > I assume you mean master backend, not frontend. Did you try restarting
> > the master backend?
> >
> > Whenever I do a major configuration change, I always reboot my
> > machine(s) to make sure they come back ok. I've been burned too many
> > times thinking all was fine until I have to reboot for some reason or
> > another. :)
> > <http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users>
>
>
> yeah - master frontend log ;)
>
> Both machines and processes have been restarted many times now.  Very very
> frustrating.  I can't even use the web status page over port 6544 on the
> slave backend.
>
> I'm not sure what could caues these ports to *not* be opened - especially
> considering they were before the power outage.
>


Well, now I feel a little bit dumb.  I can't get to these ports because
mythbackend will no long start on my slave backend.  When I run
"/usr/bin/mythbackend --verbose all &", I get the following (homestar is
this machine - the slave backend, strongsad is the master backend):

2008-01-11 21:58:15.172 Using runtime prefix = /usr
2008-01-11 21:58:15.182 New DB connection, total: 1
2008-01-11 21:58:15.189 Connected to database 'mythconverg' at host:
strongsad
2008-01-11 21:58:15.190 Enabling Settings Cache.
2008-01-11 21:58:15.190 Clearing Settings Cache.
2008-01-11 21:58:15.190 Disabling Settings Cache.
2008-01-11 21:58:15.190 Clearing Settings Cache.
2008-01-11 21:58:15.191 MSqlQuery: SELECT data FROM settings WHERE value =
'DBSchemaVer' AND hostname = 'homestar' ;
2008-01-11 21:58:15.191 MSqlQuery: SELECT data FROM settings WHERE value =
'DBSchemaVer' AND hostname IS NULL;
2008-01-11 21:58:15.191 Current Schema Version: 1160
2008-01-11 21:58:15.192 MSqlQuery: SELECT data FROM settings WHERE value =
'MythFillFixProgramIDsHasRunOnce' AND hostname = 'homestar' ;
2008-01-11 21:58:15.192 MSqlQuery: UPDATE videosource SET
xmltvgrabber='schedulesdirect1', userid='', password=NULL WHERE
xmltvgrabber='datadirect' OR xmltvgrabber='technovera';
2008-01-11 21:58:15.192 Enabling Settings Cache.
2008-01-11 21:58:15.192 Clearing Settings Cache.
2008-01-11 21:58:15.192 MSqlQuery: SELECT data FROM settings WHERE value =
'BackendServerPort' AND hostname = 'homestar' ;
2008-01-11 21:58:15.193 MSqlQuery: SELECT data FROM settings WHERE value =
'BackendServerIP' AND hostname = 'homestar' ;
2008-01-11 21:58:15.193 MSqlQuery: SELECT data FROM settings WHERE value =
'MasterServerIP' AND hostname = 'homestar' ;
2008-01-11 21:58:15.193 MSqlQuery: SELECT data FROM settings WHERE value =
'MasterServerIP' AND hostname IS NULL;
Running as a slave backend.
2008-01-11 21:58:15.194 MSqlQuery: SELECT data FROM settings WHERE value =
'LogEnabled' AND hostname = 'homestar' ;
2008-01-11 21:58:15.194 MSqlQuery: SELECT data FROM settings WHERE value =
'LogEnabled' AND hostname IS NULL;
2008-01-11 21:58:15.194 MSqlQuery: SELECT data FROM settings WHERE value =
'LogMaxCount' AND hostname = 'homestar' ;
2008-01-11 21:58:15.195 MSqlQuery: SELECT data FROM settings WHERE value =
'LogPrintLevel' AND hostname = 'homestar' ;
2008-01-11 21:58:15.195 MSqlQuery: DELETE FROM inuseprograms WHERE hostname
= 'homestar' AND ( recusage = 'recorder' OR recusage LIKE 'Unknown %' );
2008-01-11 21:58:15.195 MSqlQuery: SELECT cardid, hostname FROM capturecard
WHERE parentid = '0' ORDER BY cardid
2008-01-11 21:58:15.196 New DB connection, total: 2
2008-01-11 21:58:15.197 Connected to database 'mythconverg' at host:
strongsad
2008-01-11 21:58:15.198 MSqlQuery: SELECT data FROM settings WHERE value =
'EITTimeOffset' AND hostname = 'homestar' ;
2008-01-11 21:58:15.198 MSqlQuery: SELECT data FROM settings WHERE value =
'EITTimeOffset' AND hostname IS NULL;
2008-01-11 21:58:15.198 EITHelper: localtime offset -5:00:00
2008-01-11 21:58:15.198 MSqlQuery: SELECT data FROM settings WHERE value =
'ISO639Language0' AND hostname = 'homestar' ;
2008-01-11 21:58:15.199 MSqlQuery: SELECT data FROM settings WHERE value =
'ISO639Language1' AND hostname = 'homestar' ;
2008-01-11 21:58:15.199 MSqlQuery: SELECT data FROM settings WHERE value =
'ISO639Language2' AND hostname = 'homestar' ;
2008-01-11 21:58:15.199 MSqlQuery: SELECT data FROM settings WHERE value =
'ISO639Language2' AND hostname IS NULL;
2008-01-11 21:58:15.200 MSqlQuery: SELECT videodevice,
vbidevice,           audiodevice,            audioratelimit,
defaultinput,        cardtype,               skipbtaudio,
signal_timeout,      channel_timeout,        dvb_wait_for_seqstart,
dvb_on_demand,    dvb_tuning_delay,        firewire_port,
firewire_node,       firewire_speed,         firewire_model,
firewire_connection,                         dbox2_port,
dbox2_host,          dbox2_httpport   FROM capturecard WHERE cardid = 4
2008-01-11 21:58:15.200 MSqlQuery: SELECT startchan FROM capturecard,
cardinput WHERE capturecard.cardid = cardinput.cardid AND
capturecard.cardid = 4          AND       inputname          = 'Tuner 1'
2008-01-11 21:58:15.228 Channel(/dev/v4l/video0): Device name 'Kworld
ATSC110' driver 'saa7134'.
2008-01-11 21:58:15.228 MSqlQuery: SELECT cardinputid,        inputname,
startchan,        tunechan,    externalcommand,        sourceid,
childcardid FROM cardinput WHERE cardid = 4
2008-01-11 21:58:15.228 New DB connection, total: 3
2008-01-11 21:58:15.230 Connected to database 'mythconverg' at host:
strongsad
2008-01-11 21:58:15.230 MSqlQuery: SELECT data FROM settings WHERE value =
'ChannelOrdering' AND hostname = 'homestar' ;
2008-01-11 21:58:15.230 MSqlQuery: SELECT chanid, favid FROM favorites
2008-01-11 21:58:15.231 MSqlQuery: SELECT channum, callsign, chanid,
atsc_major_chan, atsc_minor_chan,        name, icon, visible FROM channel
WHERE sourceid='4'
2008-01-11 21:58:15.237 ChannelBase(4): Input #4: 'Tuner 1' schan(58)
sourceid(4) ccid(4)
2008-01-11 21:58:15.237 ChannelBase(4): Current Input #4: 'Tuner 1'
2008-01-11 21:58:15.238 MSqlQuery: SELECT data FROM settings WHERE value =
'TVFormat' AND hostname = 'homestar' ;
2008-01-11 21:58:15.238 MSqlQuery: SELECT data FROM settings WHERE value =
'TVFormat' AND hostname IS NULL;
2008-01-11 21:58:15.238 Global TVFormat Setting 'NTSC'
2008-01-11 21:58:15.238 Channel(/dev/v4l/video0): Input #4: 'Tuner 1'
schan(58) tun() v4l1(PAL) v4l2(Unknown)
2008-01-11 21:58:15.238 TVRec(4): ClearFlags(RecorderRunning,) -> 0x0
2008-01-11 21:58:15.239 EITHelper: localtime offset -5:00:00
2008-01-11 21:58:15.239 MSqlQuery: SELECT videodevice,
vbidevice,           audiodevice,            audioratelimit,
defaultinput,        cardtype,               skipbtaudio,
signal_timeout,      channel_timeout,        dvb_wait_for_seqstart,
dvb_on_demand,    dvb_tuning_delay,        firewire_port,
firewire_node,       firewire_speed,         firewire_model,
firewire_connection,                         dbox2_port,
dbox2_host,          dbox2_httpport   FROM capturecard WHERE cardid = 5
2008-01-11 21:58:15.239 MSqlQuery: SELECT startchan FROM capturecard,
cardinput WHERE capturecard.cardid = cardinput.cardid AND
capturecard.cardid = 5          AND       inputname          = 'DVBInput'
2008-01-11 21:58:15.246 DVBChan(1): Opening DVB channel
2008-01-11 21:58:15.246 DVBChan(1): Using DVB card 1, with frontend 'LG
Electronics LGDT3302 VSB/QAM Frontend'.
2008-01-11 21:58:15.246 MSqlQuery: SELECT cardinputid,        inputname,
startchan,        tunechan,    externalcommand,        sourceid,
childcardid FROM cardinput WHERE cardid = 5
2008-01-11 21:58:15.247 MSqlQuery: SELECT chanid, favid FROM favorites
2008-01-11 21:58:15.247 MSqlQuery: SELECT channum, callsign, chanid,
atsc_major_chan, atsc_minor_chan,        name, icon, visible FROM channel
WHERE sourceid='3'
2008-01-11 21:58:15.248 ChannelBase(5): Input #5: 'DVBInput' schan(803)
sourceid(3) ccid(5)
2008-01-11 21:58:15.248 ChannelBase(5): Current Input #5: 'DVBInput'
2008-01-11 21:58:15.248 DVBChan(1): SetChannelByString(803):
2008-01-11 21:58:15.248 MSqlQuery: SELECT channel.chanid FROM channel,
capturecard, cardinput WHERE channel.channum      = '803'
AND       channel.sourceid     = cardinput.sourceid AND
cardinput.inputname  = 'DVBInput'             AND       cardinput.cardid
= capturecard.cardid AND       capturecard.cardid   = 5            AND
capturecard.hostname = 'homestar'
2008-01-11 21:58:15.249 MSqlQuery: SELECT finetune, freqid, tvformat,
freqtable,        commfree, mplexid,        atsc_major_chan,
atsc_minor_chan, serviceid FROM channel, videosource WHERE
videosource.sourceid = channel.sourceid AND       channum              =
'803'         AND       channel.sourceid     = 3
2008-01-11 21:58:15.249 MSqlQuery: SELECT transportid, networkid, frequency,
modulation FROM dtv_multiplex WHERE mplexid = 139
2008-01-11 21:58:15.249 MSqlQuery: SELECT frequency,         inversion,
symbolrate,        fec,               polarity,        hp_code_rate,
lp_code_rate,   constellation,        transmission_mode, guard_interval,
hierarchy,        modulation,        bandwidth FROM dtv_multiplex WHERE
dtv_multiplex.mplexid = 139
2008-01-11 21:58:15.249 DVBChan(1) Warning: Symbol Rate setting (0) is out
of range (min/max:5056941/10762000)
2008-01-11 21:58:15.249 DVBChan(1): Frequency: 111025000 Modulation: QPSK
2008-01-11 21:58:15.249 DVBChan(1): Old Params: Frequency: 0 Modulation:
QPSK
                        DVBChan(1): New Params: Frequency: 111025000
Modulation: QPSK
2008-01-11 21:58:15.250 DVBChan(1): Tune(): Tuning to 111025000Hz
2008-01-11 21:58:15.253 dvbchannel.cpp:wait_for_backend: Status:
2008-01-11 21:58:15.253 DVBChan(1): Tune(): Frequency tuning successful.
2008-01-11 21:58:15.253 DVBChan(1): SetChannelByString(803): Tuned to
frequency.
2008-01-11 21:58:15.253 MSqlQuery: SELECT data FROM settings WHERE value =
'EITIgnoresSource' AND hostname = 'homestar' ;
2008-01-11 21:58:15.253 MSqlQuery: SELECT data FROM settings WHERE value =
'EITIgnoresSource' AND hostname IS NULL;
2008-01-11 21:58:15.254 MSqlQuery: SELECT data FROM settings WHERE value =
'AutoTranscodeBeforeAutoCommflag' AND hostname = 'homestar' ;
2008-01-11 21:58:15.254 MSqlQuery: SELECT data FROM settings WHERE value =
'AutoTranscodeBeforeAutoCommflag' AND hostname IS NULL;
2008-01-11 21:58:15.254 MSqlQuery: SELECT data FROM settings WHERE value =
'AutoCommflagWhileRecording' AND hostname = 'homestar' ;
2008-01-11 21:58:15.255 MSqlQuery: SELECT data FROM settings WHERE value =
'AutoCommflagWhileRecording' AND hostname IS NULL;
2008-01-11 21:58:15.255 MSqlQuery: SELECT data FROM settings WHERE value =
'JobsRunOnRecordHost' AND hostname = 'homestar' ;
2008-01-11 21:58:15.255 MSqlQuery: SELECT data FROM settings WHERE value =
'JobsRunOnRecordHost' AND hostname IS NULL;
2008-01-11 21:58:15.255 MSqlQuery: SELECT data FROM settings WHERE value =
'EITTransportTimeout' AND hostname = 'homestar' ;
2008-01-11 21:58:15.256 MSqlQuery: SELECT data FROM settings WHERE value =
'EITTransportTimeout' AND hostname IS NULL;
2008-01-11 21:58:15.256 MSqlQuery: SELECT data FROM settings WHERE value =
'EITCrawIdleStart' AND hostname = 'homestar' ;
2008-01-11 21:58:15.256 MSqlQuery: SELECT data FROM settings WHERE value =
'EITCrawIdleStart' AND hostname IS NULL;
2008-01-11 21:58:15.257 MSqlQuery: SELECT data FROM settings WHERE value =
'AudioSampleRate' AND hostname = 'homestar' ;
2008-01-11 21:58:15.257 MSqlQuery: SELECT data FROM settings WHERE value =
'AudioSampleRate' AND hostname IS NULL;
2008-01-11 21:58:15.257 MSqlQuery: SELECT data FROM settings WHERE value =
'RecordOverTime' AND hostname = 'homestar' ;
2008-01-11 21:58:15.257 MSqlQuery: SELECT data FROM settings WHERE value =
'RecordOverTime' AND hostname IS NULL;
2008-01-11 21:58:15.258 MSqlQuery: SELECT data FROM settings WHERE value =
'CategoryOverTime' AND hostname = 'homestar' ;
2008-01-11 21:58:15.258 MSqlQuery: SELECT data FROM settings WHERE value =
'CategoryOverTime' AND hostname IS NULL;
2008-01-11 21:58:15.258 MSqlQuery: SELECT data FROM settings WHERE value =
'OverTimeCategory' AND hostname = 'homestar' ;
2008-01-11 21:58:15.259 MSqlQuery: SELECT data FROM settings WHERE value =
'OverTimeCategory' AND hostname IS NULL;
2008-01-11 21:58:15.259 MSqlQuery: SELECT data FROM settings WHERE value =
'RecordFilePrefix' AND hostname = 'homestar' ;
2008-01-11 21:58:15.259 TVRec(5): SetFlags(RunMainLoop,) -> RunMainLoop,
2008-01-11 21:58:15.259 TVRec(5): ClearFlags(ExitPlayer,FinishRecording,) ->
RunMainLoop,
2008-01-11 21:58:15.260 SSDPCache - Destructor
2008-01-11 21:58:15.260 UPnpDeviceDesc - Destructor

A ps -ax shows no mythbackend process is running.  does that log help anyone
figure out what's going on here?
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