[#5317] under run happens with ad1980 on bf548-ezkit
Submitted By: Vivi Li
Open Date
2009-07-07 02:00:24 Close Date
2009-07-14 00:25:37
Priority:
Medium Assignee:
Cliff Cai
Status:
Closed Fixed In Release:
N/A
Found In Release:
N/A Release:
Category:
Drivers Board:
EZKIT Lite
Processor:
BF548 Silicon Revision:
Is this bug repeatable?:
Yes Resolution:
Fixed
Uboot version or rev.:
Toolchain version or rev.:
gcc4.1_09r1-rc7
App binary format:
N/A
Summary: under run happens with ad1980 on bf548-ezkit
Details:
under run happens in record and play audio with ad1980 on bf548-ezkit.
Bellow is the log:
--
root:/> arecord -t wav -c 2 -f S16_LE -r 8000 -d 5 |aplay^M
Recording WAVE 'stdin' : Signed 16 bit Little Endian, Rate 8000 Hz, Stereo^M
sport status error: TUVF^M
Playing WAVE 'stdin' : Signed 16 bit Little Endian, Rate 8000 Hz, Stereo^M
root:/>
Case 13 ...PASS
Case 13 ...PASS
arecord -t wav -c 2 -f S16_LE -r 48000 -d 5 |aplay^M
Recording WAVE 'stdin' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo^M
sport status error: TUVF^M
Playing WAVE 'stdin' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo^M
root:/>
--
Last passed version:
--
root:/> version^M
kernel: Linux release 2.6.28.10-ADI-2009R1-svn6808, build #4 Sat Jun 20 15:01:47 GMT 2009^M
toolchain: bfin-linux-uclibc-gcc release gcc version 4.1.2 (ADI svn)^M
user-dist: release svn-8335, build #61 Sat Jun 20 15:00:19 GMT 2009^M
root:/>
--
After that, it first fail in bellow version:
--root:/> version^M
kernel: Linux release 2.6.28.10-ADI-2009R1-svn6816, build #8 Mon Jun 22 01:28:46 GMT 2009^M
toolchain: bfin-linux-uclibc-gcc release gcc version 4.1.2 (ADI svn)^M
user-dist: release svn-8335, build #143 Mon Jun 22 01:27:18 GMT 2009^M
root:/>
--
Follow-ups
--- Cliff Cai 2009-07-07 22:26:57
It's a known issue.It seems that DMA of sport competes with core sometimes on
BF548.So following item shoule be selected
Blackfin Processor Options --->
BF548 Specific Configuration --->
[*] DMA has priority over core for ext. accesses
Cliff
--- Vivi Li 2009-07-14 00:25:37
OK now.
Close it.
Files
Changes
Commits
Dependencies
Duplicates
Associations
Tags
File Name File Type File Size Posted By
config.audio_ad1980 application/octet-stream 40735 Vivi Li