DSP trace buffer overflow on APL and CNL

[zhuqingliang]

System Environment

sof-master: 3507eb2
soft-master: bd7dc88
sof-dev: 9b843df48bbaea2a067df9d098cd700d3abd6155
sof-4.14: ad3d2be6fdf4d7a2e7d892e0e90929218d9e1ac3

check dmesg log when boot.

Attachments

dmesg.log
rmbox.log

[RanderWang]

yes, I am working on it.

[RanderWang]

it is fixed by my patch

[keqiaozhang]

This issue is fixed by #23

[plbossart]

I still get these dma-trace overflow logs with the latest firmware on Up2