系统：linux-2.6.35.7
使用ramdisk自带的smplayer播放MP3文件，串口输出是这样：
mdb:462, lastbuf:461 skipping granule 0
overread, skip -10 enddists: -6 -6
overread, skip -9 enddists: -6 -6
mdb:404, lastbuf:326 skipping granule 0
invalid new backstep -534
mdb:467, lastbuf:189 skipping granule 0
mdb:467, lastbuf:189 skipping granule 0
[ 148.623522] eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
mdb:469, lastbuf:459 skipping granule 0
overread, skip -7 enddists: -2 -2
overread, skip -5 enddists: -2 -2
overread, skip -5 enddists: -3 -3
[mp3 @ 0x755c48]big_values too big
invalid new backstep 422
invalid block type
invalid new backstep 125
mdb:467, lastbuf:140 skipping granule 0
mdb:467, lastbuf:140 skipping granule 0
bits_left=-3
overread, skip -9 enddists: -1 -1
overread, skip -9 enddists: -6 -6
mdb:465, lastbuf:366 skipping granule 0
overread, skip -7 enddists: -3 -3
试了几个都是一卡一卡的，还有毛刺音。
