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Sundtek MediaTV Pro (Europe) / /etc/ld.so.preload conflicts on ubuntu
« am: Dezember 01, 2018, 09:32:27 Vormittag »
I have a Sundtek MediaTV Pro which used to be installed on a raspberry Pi.

I am moving to Ubuntu Server with the following os:
ubuntu:~/$ lsb_release -a
No LSB modules are available.
Distributor ID:   Ubuntu
Description:   Ubuntu 18.04.1 LTS
Release:   18.04
Codename:   bionic

There is a problem with ld.so.preload
With the line /opt/lib/libmediaclient.so # I can use wscan to view my channels
w_scan -c GB
w_scan version 20170107 (compiled for DVB API 5.10)
using settings for UNITED KINGDOM
DVB aerial
DVB-T GB
scan type TERRESTRIAL, channellist 6
output format vdr-2.0
WARNING: could not guess your codepage. Falling back to 'UTF-8'
output charset 'UTF-8', use -C <charset> to override
Info: using DVB adapter auto detection.
/dev/dvb/adapter0/frontend0 -> TERRESTRIAL "Sundtek DVB-T (III)": very good :-))

Using TERRESTRIAL frontend (adapter /dev/dvb/adapter0/frontend0)
-_-_-_-_ Getting frontend capabilities-_-_-_-_
Using DVB API 5.10
frontend 'Sundtek DVB-T (III)' supports
DVB-T2
INVERSION_AUTO
QAM_AUTO not supported, trying QAM_64.
TRANSMISSION_MODE_AUTO
GUARD_INTERVAL_AUTO
HIERARCHY_AUTO
FEC_AUTO
BANDWIDTH_AUTO not supported, trying 6/7/8 MHz.
FREQ (42.00MHz ... 1002.00MHz)
-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_
Scanning DVB-T...
Scanning 8MHz frequencies...
474000: (time: 00:02.608) ^C
..

But this causes errors for all other programs:
ERROR: ld.so: object '/opt/lib/libmediaclient.so' from /etc/ld.so.preload cannot be preloaded (cannot open shared object file): ignored.
But if I comment the line wscan fails
w_scan -c GB
w_scan version 20170107 (compiled for DVB API 5.10)
using settings for UNITED KINGDOM
DVB aerial
DVB-T GB
scan type TERRESTRIAL, channellist 6
output format vdr-2.0
WARNING: could not guess your codepage. Falling back to 'UTF-8'
output charset 'UTF-8', use -C <charset> to override
Info: using DVB adapter auto detection.
main:4007: FATAL: ***** NO USEABLE TERRESTRIAL CARD FOUND. *****
Please check wether dvb driver is loaded and
verify that no dvb application (i.e. vdr) is running.

Clearly this server is not only used for your Sundtek MediaTV Pro so do you have a fix for this conflict?

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