https://bugs.freedesktop.org/show_bug.cgi?id=84585

--- Comment #67 from Alessandro Ferri <[email protected]> ---
I do not know if the bug is related to the kernel or pulseaudio or another. In
relation to this, I expect a reply from HiFiBerry. I was counting on you to
know where is the issue. 
For you, where is the bug? and how can I fix it.

(In reply to Raymond from comment #66)
> if you think the bug is related to kernel
> 
> you need to check whether hwptr is correct on period update 
> 
> and report bug at
> 
> https://bugzilla.kernel.org/enter_bug.cgi?product=Drivers
> 
> CONFIG_SND_PCM_XRUN_DEBUG, CONFIG_SND_VERBOSE_PROCFS, CONFIG_SND_DEBUG
> options must be enabled in your kernel
> 
> www.alsa-project.org/main/index.php/XRUN_Debug
> 
>  # Enable basic debugging and dump stack, check hardware pointer on the
> period update
>  # Usefull to just see, if PCM stream is stopped for a reason (usually wrong
> audio process timing from scheduler)
>  # And to check the values from driver
>  echo 11 > /proc/asound/card0/pcm0p/xrun_debug

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