[mythtvnz] back end will not start after upgrade to release 0.28

[Stephen Worthington]

On Tue, 13 Jun 2017 13:48:23 +1200, you wrote:

>I've just upgrade from fedora 22 to 23 and so also upgraded mythtv to 
>release 0.28
>
>The backend will not start and gives the following errors (I did try 
>re-installing but it didn't help)
>
>Jun 13 13:36:26 mythtv systemd: Starting MythTV backend service...
>Jun 13 13:36:26 mythtv kernel: audit: type=1130 
>audit(1497317786.001:696): pid=1 uid=0 auid=4294967295 ses=4294967295 
>subj=system_u:system_r:init_t:s0 msg='unit=mythbackend comm="systemd" 
>exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
>Jun 13 13:36:26 mythtv mythbackend: /usr/bin/mythbackend: symbol lookup 
>error: /lib64/libmythmetadata-0.28.so.0: undefined symbol: 
>_ZNK6TagLib6StringeqEPKc
>Jun 13 13:36:26 mythtv systemd: mythbackend.service: Main process 
>exited, code=exited, status=127/n/a
>Jun 13 13:36:26 mythtv systemd: mythbackend.service: Unit entered failed 
>state.
>Jun 13 13:36:26 mythtv kernel: audit: type=1131 
>audit(1497317786.124:697): pid=1 uid=0 auid=4294967295 ses=4294967295 
>subj=system_u:system_r:init_t:s0 msg='unit=mythbackend comm="systemd" 
>exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
>Jun 13 13:36:26 mythtv systemd: mythbackend.service: Failed with result 
>'exit-code'.

Make sure that the old 0.27 packages are uninstalled properly.  I have
seen things like this when libmyth-0.27 is still installed and that
prevented libmyth-0.28 from installing.