[mythtv-users] Help: Error after upgrade to 0.23

[Michael T. Dean]

On 04/26/2010 02:52 PM, Thomas Pontoppidan wrote:
> 2010/4/26 Michael T. Dean
>    
>> On 04/26/2010 02:38 PM, Thomas Pontoppidan wrote:
>>      
>>> After upgrading to 0.23 from 0.22 (ATRPMS testing) I am unable to start
>>> mythbackend. I get the message:
>>> Starter mythbackend: /usr/bin/mythbackend: symbol lookup error:
>>> /usr/lib64/libmyth-0.23.so.0: undefined symbol:
>>> _ZNK16QAbstractSpinBox16inputMethodQueryEN2Qt16InputMethodQueryE
>>>
>>> And it fails to start. Any ideas? I googled the error but didn't find
>>> anything!
>>>
>>> P.S.: My wife is killing me!!
>>>        
>> You left old 0.22 libraries/packages on your system.
>>
>> I recommend uninstalling all Myth stuff, then making sure there's no MythTV
>> libs/binaries/includes anywhere on your system, then reinstalling
>> 0.23-fixes.
>>      
> Thanks for the fast answer! Doesn't sound good:-( How much will I lose when
> uninstalling? - what about the database?
>    

Don't touch the database and don't touch any of the recordings, and 
you'll lose absolutely nothing--except the broken install of MythTV.

Still, make a DB backup before:
http://www.mythtv.org/wiki/Database_Backup_and_Restore

Mike