Messages in this thread | | | Date | Tue, 20 Oct 2015 15:01:27 +0200 | From | Lars-Peter Clausen <> | Subject | Re: [PATCH 4/4] ALSA: pcm_dmaengine: Properly synchronize DMA on shutdown |
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[...] > I've tested this series with xrun injection and some modifications to the > DMA driver to always trigger the race condition when the stream is stopped. > And I've not seen any issues after the transfer re-started. (There is a > dead-lock condition though but that does not seem to be related to this series)
Turns out that was a bug in the DMA driver that caused snd_pcm_period_elapsed() to be called on the TRIGGER_START path. So the ALSA side seems to be good.
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