We are getting SDMA error after 8 to 10 hours of operation and our Audio recording stops.
From error we have just following information
SDMA mode is --> SDMA_MODE_P2P
SDMA_H_EVTERR register values is --> 4.
How to solve this issue?
Detail description of the issue is available in following link
Audio LOST after ~10 hrs on i.MX 6Q
As for the EVTERR register, please take a look at the next thread :
Question about I.MX6 SDMA Interrupt Generation
Retrieving data ...