Hi, I have recently bought a Intel Compute Stick and I am having trouble with the audio. Intel provides a custom Ubuntu release that support audio, but I want to run the linux distribution of my choice on it (openSUSE 13.2 for the moment). In order to have HDMI audio support it is necessary to compile a kernel with this patch (https://raw.githubusercontent.com/01org/baytrailaudio/master/hdmi_audio_20150319.patch) provided by Intel for kernel 3.16.7 (https://01.org/ubuntu-hdmi) I compiled the openSUSE kernel using the default openSUSE .config plus the following: CONFIG_SUPPORT_HDMI=y CONFIG_SND_SOC=m CONFIG_SND_SOC_INTEL_SST=m CONFIG_SND_SOC_INTEL_BYT_RT5640_MACH=m I booted the new kernel and aplay -l gives this output: **** List of PLAYBACK Hardware Devices **** card 0: IntelHDMI [IntelHDMI], device 0: IntelHDMI [IntelHDMI] Subdevices: 0/1 Subdevice #0: subdevice #0 but when I run: aplay /usr/share/sounds/alsa/test.wav the audio plays for .2 seconds and then nothing more. Sometime it will play later a little bit more and stop again. At some point these messages appears: underrun!!! (at least 29325.946 ms long) underrun!!! (at least 1535.889 ms long) underrun!!! (at least 3196.213 ms long) I have looked around on google for a hint on how to fix this issue but I found nothing. Any idea where to look for a solution? Attached there are the dmesg and lsmod output for ubuntu with the working audio and openSUSE 13.2 plus patch without the working audio. I can provide any other information you need. Thanks for any help. Giacomo
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