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AM625: mcasp error

li weiyu
Expert 1150 points

Part Number: AM625
Other Parts Discussed in Thread: TLV320AIC3106

Hi, TI expert! 

When I tried recording for the second time, I encountered the following error. What could be causing this error? The codedec chip is tlv320aic3106.

root@am62xx:~# arecord -f S16_LE -c 2 -r 22050 -d 10 -t wav record.wav
Recording WAVE 'record.wav' : Signed 16 bit Little Endian, Rate 22050 Hz, Stereo
root@am62xx:~# [  133.420323] Initializing XFRM netlink socket

root@am62xx:~#
root@am62xx:~#
root@am62xx:~#
root@am62xx:~#
root@am62xx:~# arecord -f S16_LE -c 2 -r 22050 -d 10 -t wav record.wav
Recording WAVE 'record.wav' : Signed 16 bit Little Endian, Rate 22050 Hz, Stereo
overrun!!! (at least 1.073 ms long)
overrun!!! (at least 2.663 ms long)
overrun!!! (at least 2.224 ms long)
overrun!!! (at least 2.146 ms long)
overrun!!! (at least 0.285 ms long)
overrun!!! (at least 0.800 ms long)
overrun!!! (at least 4.553 ms long)
[  489.098110] davinci-mcasp 2b10000.mcasp: Receive buffer overflow
[  489.151697] davinci-mcasp 2b10000.mcasp: Receive buffer overflow
[  489.186423] davinci-mcasp 2b10000.mcasp: Receive buffer overflow
[  489.242815] davinci-mcasp 2b10000.mcasp: Receive buffer overflow
[  489.294429] davinci-mcasp 2b10000.mcasp: Receive buffer overflow
[  489.313752] davinci-mcasp 2b10000.mcasp: Receive buffer overflow
[  489.334942] davinci-mcasp 2b10000.mcasp: Receive buffer overflow
[  489.363154] davinci-mcasp 2b10000.mcasp: Receive buffer overflow
overrun!!! (at least 3.764 ms long)
overrun!!! (at least 1.799 ms long)
overrun!!! (at least 1.263 ms long)
overrun!!! (at least 1.526 ms long)
overrun!!! (at least 1.432 ms long)
overrun!!! (at least 1.697 ms long)
[  489.406890] davinci-mcasp 2b10000.mcasp: Receive buffer overflow
[  489.446903] davinci-mcasp 2b10000.mcasp: Receive buffer overflow
[  489.490511] davinci-mcasp 2b10000.mcasp: Receive buffer overflow
[  489.542312] davinci-mcasp 2b10000.mcasp: Receive buffer overflow
[  489.589943] davinci-mcasp 2b10000.mcasp: Receive buffer overflow
[  489.637795] davinci-mcasp 2b10000.mcasp: Receive buffer overflow

Regards,

Li