[#6888] Under run and over run may happen for ad1836/ad1938 in 2011r1
Submitted By: Vivi Li
Open Date
2011-11-18 02:01:09
Priority:
Medium Assignee:
Scott Jiang
Status:
Open Fixed In Release:
N/A
Found In Release:
2011R1 Release:
Category:
N/A Board:
Processor:
BF537 Silicon Revision:
Is this bug repeatable?:
Yes Resolution:
Assigned (Not Start)
Uboot version or rev.:
Toolchain version or rev.:
gcc4.3-2011R1-RC2
App binary format:
Summary: Under run and over run may happen for ad1836/ad1938 in 2011r1
Details:
I can see under run happen on regression machine for ad1836 on bf537-stamp.
On bf533-stamp, overrun may happen.
Bellow is the log on 537-stamp. It's difficult to reproduce on bf537.
--
root:/> arecord -f S24_LE -r 48000 -c 1 -t wav -d 5|aplay
Recording WAVE 'stdin' : Signed 24 bit Little Endian, Rate 48000 Hz, Mono
Playing WAVE 'stdin' : Signed 24 bit Little Endian, Rate 48000 Hz, Mono
tx dma is already stopped
sport status error: TUVF
root:/>
Bellow is the log on bf533-stamp.
root:/> arecord -f S32_LE -r 48000 -c 1 -t wav -d 5|aplay
Recording WAVE 'stdin' : Signed 32 bit Little Endian, Rate 48000 Hz, Mono
Playing WAVE 'stdin' : Signed 32 bit Little Endian, Rate 48000 Hz, Mono
overrun!!! (at least 0.030 ms long)
Follow-ups
--- Vivi Li 2011-11-22 03:22:39
Under run may also happen with ad1938 on bf537-stamp.
arecord -f S16_LE -r 48000 -c 2 -t wav -d 5|aplay
Recording WAVE 'stdin' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
Playing WAVE 'stdin' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
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