[mythtv-users] mythbackend segmentation fault

Henrik Gammelmark mythtv at geemark.com
Wed Jul 5 19:14:19 UTC 2006


I tried removing the tuners from mythtv-setup, and the backend started 
fine, and started checking the jobqueue periodically as it should, and I 
was even able to perform a "mythfilldatabase".

However, while running the mythfrontend, entering "watch tv", I got this 
similar error on the frontend:


2006-07-05 21:09:32.158 Connected to database 'mythconverg' at host: 
localhost
2006-07-05 21:09:32.257 Connecting to backend server: 127.0.0.1:6543 
(try 1 of 5)
2006-07-05 21:09:32.259 Connection timed out.
                         You probably should modify the Master Server
                         settings in the setup program and set the
                         proper IP address.
2006-07-05 21:09:35.445 TV: Attempting to change from None to None
*** glibc detected *** double free or corruption (!prev): 0x08214ce8 ***



Henrik Gammelmark wrote:
> I am installing MythTV for the first time, but I'm having problems with 
> starting mythbackend. I have recompiled three times, without any luck.
> I get either
> "*** glibc detected *** double free or corruption (out): 0x08131000 ***"
> or periodically "Segmentation fault" after which it crashes.
> 
> I am able to record manually by "cat /dev/videoX > file.mpg" from all 
> tuners, ivtv reports no errors in dmesg, and I am able to use 
> mythtv-setup fine with tv-out, so I guess the cards and drivers should 
> be fine.
> 
> Installing MythTV 0.91 (stable release) on Debian testing with 1 x 
> PVR-350 and 1 x PVR-500 with ivtv-drivers.
> 
> I'm getting desperate here - what am I doing wrong?
> Thank you very much in advance
> 
> If you need more information or verbose output, let me know!
> 
> 
> =====================================
> 
> ...
> 2006-07-05 20:19:15.974 MSqlQuery: SELECT data FROM settings WHERE value 
>   = 'OverTimeCategory' AND hostname = 'serber' ;
> 2006-07-05 20:19:15.975 MSqlQuery: SELECT data FROM settings WHERE value 
> = 'OverTimeCategory' AND hostname IS NULL;
> *** glibc detected *** double free or corruption (out): 0x08131000 ***
> Aborted
> 
> 
> 
> 2006-07-05 20:42:38.278 MSqlQuery: SELECT channel.channum, 
> channel.chanid FROM channel, capturecard, cardinput WHERE 
> channel.channum + 0 > '1'  AND       cardinput.cardid     = 
> capturecard.cardid AND capturecard.cardid   = 2            AND 
> capturecard.hostname = 'serber'          AND channel.visible      = 1 
>                 AND cardinput.sourceid = channel.sourceid  ORDER BY 
> channel.channum + 0  LIMIT 1
> 2006-07-05 20:42:38.280 TVRec(2): SetFlags(RunMainLoop,) -> RunMainLoop,
> 2006-07-05 20:42:38.280 TVRec(2): 
> ClearFlags(ExitPlayer,FinishRecording,) -> RunMainLoop,
> Segmentation fault
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