[mythtv-users] mythbackend running, but nothing listening on 6543?

Damian Haslam damian at dickson.st
Sun Nov 15 11:12:53 UTC 2009


On 15/11/2009, at 5:59 PM, Damian Haslam wrote:

> Just happened across this message in /var/log/messages
> kernel: [24048.899916] mythbackend[30605]: segfault at beed8f8c ip 0183d1c5 sp beed8f90 error 6 in libQtCore.so.4.5.2[179e000+22b000]
> 
> That's really bad... isn't it? How can I fix that?
> 
> I'm using all the mythtv packages from 9.10 .... and I'm out of ideas!
> 
> 
> On 15/11/2009, at 5:40 PM, Damian Haslam wrote:
> 
>> Here's a strange one,
>> 
>> recently upgraded to 0.22 on Ubuntu 9.10 - running mythbackend ok:
>> $ps ax | grep backend
>> 27768 pts/2    S+     0:00 tail -f /var/log/mythtv/mythbackend.log /var/log/mythtv/mythexport.log
>> 28874 ?        Ss     0:00 /bin/su -c /usr/bin/mythbackend --logfile /var/log/mythtv/mythbackend.log mythtv
>> 28889 ?        S      0:00 sh -c /usr/bin/mythbackend --logfile /var/log/mythtv/mythbackend.log
>> 28890 ?        R      0:00 /usr/bin/mythbackend --logfile /var/log/mythtv/mythbackend.log
>> 
>> 
>> but nothing is running on 6543:
>> $ sudo netstat -tunap | grep 6543
>> $
>> 
>> So of course, mythweb doesn't work (can't connect to the backend) and neither does the frontend ("is the backend running?")
>> 
>> Any ideas?
>> 
>> I've done the mythtv-setup stuff, everything is configured correctly as far as I can tell...
>> 
>> Oh, every 20 seconds or so, I get this in the mythbackend.log file:
>> 2009-11-15 17:35:09.800 mythbackend version: branches/release-0-22-fixes [22594] www.mythtv.org
>> 2009-11-15 17:35:09.888 Using runtime prefix = /usr
>> 2009-11-15 17:35:09.929 Using configuration directory = /home/mythtv/.mythtv
>> 2009-11-15 17:35:09.972 Empty LocalHostName.
>> 2009-11-15 17:35:10.013 Using localhost value of jupiter
>> 2009-11-15 17:35:10.056 Testing network connectivity to '192.168.2.100'
>> 2009-11-15 17:35:10.116 New DB connection, total: 1
>> 2009-11-15 17:35:10.160 Connected to database 'mythconverg' at host: 192.168.2.100
>> 2009-11-15 17:35:10.189 Closing DB connection named 'DBManager0'
>> 2009-11-15 17:35:10.224 Connected to database 'mythconverg' at host: 192.168.2.100
>> 2009-11-15 17:35:10.265 Current MythTV Schema Version (DBSchemaVer): 1244
>> 2009-11-15 17:35:10.301 MythBackend: Starting up as the master server.
>> 2009-11-15 17:35:10.344 New DB connection, total: 2
>> 2009-11-15 17:35:10.374 Connected to database 'mythconverg' at host: 192.168.2.100
>> 2009-11-15 17:35:10.420 New DB connection, total: 3
>> 2009-11-15 17:35:10.449 Connected to database 'mythconverg' at host: 192.168.2.100

Not sure what it was, but I nuked all channels, did a rescan, and it's all working fine now.



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