Re: [PATCH] ALSA: hda/core: Log stream DMA errors on interrupt

[Takashi Iwai]

On Tue, 04 Aug 2026 00:07:52 +0200,
Arun Raghavan wrote:
> 
> The stream descriptor status register reports FIFO and descriptor
> errors, but these are currently cleared silently along with the rest
> of the interrupt status. Log them, rate-limited, so DMA problems are
> visible instead of only manifesting as audible glitches.
> 
> Observed on some AMD GPU HDMI audio controllers under specific low power
> circumstances.
> 
> Signed-off-by: Arun Raghavan <arunr@xxxxxxxxxxxxxxxxx>
> Cc: Arun Raghavan <arun@xxxxxxxxxxxxxxxx>

Applied now to for-next branch.

It's interesting at which situation you get the error bit and which
one.  If it can be used *reliably* for catching a streaming error, the
driver could notify XRUN or error appropriately, too.


thanks,

Takashi