[Icecast] IceS segmentation fault

Kit kitwithnail at mailbox.org
Sat May 16 14:52:40 UTC 2020

I get a segmentation fault when starting the IceS encoder on a Linux-based QNAP NAS.

I'm trying to set up IceS to stream an ALSA input to Icecast. Icecast works well and confirms when I stream using other things to it. However IceS hits a segmentation fault immediately after starting the encoder.
The IceS log is:

[~] # sudo ices /etc/ices.xml
[2020-05-11  19:24:34] INFO ices-core/main IceS 2.0.2 started...
[2020-05-11  19:24:34] INFO input-alsa/alsa_open_module Opened audio device hw:0,0
[2020-05-11  19:24:34] INFO input-alsa/alsa_open_module using 2 channel(s), 48000 Hz, buffer 341 ms 
[2020-05-11  19:24:34] INFO input-alsa/alsa_open_module Starting metadata update thread
[2020-05-11  19:24:34] INFO signals/signal_usr1_handler Metadata update requested
[2020-05-11  19:24:34] INFO encode/encode_initialise Encoder initialising with bitrate management: 2 channels, 48000 Hz, minimum bitrate 256000, nominal 320000, maximum 320000
Segmentation fault
The IceS config file looks like this:

<?xml version="1.0"?>

<logpath>/share/4a Downloads temporary</logpath>
<!-- <pidfile>/share/4a Downloads temporary/ices.pid</pidfile> -->

                <description>Roon Icecast stream</description>

                <param name="rate">48000</param>
                <param name="channels">2</param>
                <param name="device">hw:0</param>
                <param name="periods">2</param>
                <param name="buffer-time">1000</param>
                <!-- <param name="metadata">1</param>
                <param name="metadatafilename">/home/ices/metadata</param> -->


I've changed nearly every parameter in it to see if I can get round it, but all I am able to achieve is causing a crash sooner than the segfault. I've also got no more logging than this - level 4 is max anyway - so I can only assume the fault is in the encoder. libvorbis and libogg are both installed. I don't know of any way to use an external encoder or I'd be using that... can anyone help with what might be causing this segfault?


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