redchenjs
commented
6 years ago @chen-zifeng Hi chen-zifeng, this driver can only run on kernel 4.9 or later, the ASoC structure in kernel 4.4 is incompatible with kernel 4.9+
Closed fengfeng0328 closed 6 years ago
redchenjs
commented
6 years ago @chen-zifeng Hi chen-zifeng, this driver can only run on kernel 4.9 or later, the ASoC structure in kernel 4.4 is incompatible with kernel 4.9+
root@LEDE:~# speaker-test
speaker-test 1.1.0
Playback device is default Stream parameters are 48000Hz, S16_LE, 1 channels Using 16 octaves of pink noise Rate set to 48000Hz (requested 4[ 297.218920] Kernel bug detected[#1]: [ 297.223178] CPU: 0 PID: 1376 Comm: speaker-test Not tainted 4.4.124 #0 [ 297.229800] task: 81aac000 ti: 80eac000 task.ti: 80eac000 [ 297.235271] $ 0 : 00000000 00000001 00000002 00000002 [ 297.240587] $ 4 : 818c0e00 8099eec8 8099eec8 00020000 [ 297.245896] $ 8 : 00000018 80008c98 77758000 00001000 [ 297.251205] $12 : 00022000 00100000 fffffffc 00020000 [ 297.256514] $16 : 818c0e00 00000008 80e75780 808d2180 [ 297.261820] $20 : 775b6000 775d6000 00000000 00000020 [ 297.267129] $24 : 00001072 776e2e00
[ 297.272437] $28 : 80eac000 80eaddf8 00000000 80232084 [ 297.277746] Hi : 00000000 [ 297.280662] Lo : 00000020 [ 297.283600] epc : 80231f94 snd_pcm_lib_default_mmap+0x30/0x48 [ 297.289605] ra : 80232084 snd_pcm_mmap_data+0xd8/0x124 [ 297.295075] Status: 1100e403 KERNEL EXL IE [ 297.299328] Cause : 10800024 (ExcCode 09) [ 297.303392] PrId : 00019655 (MIPS 24KEc) [ 297.307452] Modules linked in: pppoe ppp_async iptable_nat pppox ppp_generic nf_nat_ipv4 nf_conntrack_ipv6 nf_conntrack_ipv4 ipt_REJECT ipt_Mn [ 297.379945] Process speaker-test (pid: 1376, threadinf+-----------------------------+7777fd48) [ 297.388671] Stack : 775b6000 775d6000 00000000 0000000| |020000 80e75780 00020000 000000fb 00000000 80e75780 00| Cannot open /dev/ttyUSB0! | 00000020 80470000 00000001 8099e528 8099ed80 80| | 80e75780 00020000 00000001 00000002 00000000 00+-----------------------------+ 77778234 0000000b 81aac000 81aac030 00000000 80daede0 808d21b4 80e75780 ... [ 297.424781] Call Trace: [ 297.427266] [<80231f94>] snd_pcm_lib_default_mmap+0x30/0x48 [ 297.432922] [<80232084>] snd_pcm_mmap_data+0xd8/0x124 [ 297.438071] [<800995a0>] mmap_region+0x29c/0x544 ] SyS_mmap_pgoff+0x8c/0xd8] do_mmap+0x358/0x3d4 [ 297.456585] [<8000686c>] syscall_common+0x30/0x54 [ 297.461351] [ 297.462859] Code: 24020002 14620002 00000000 <000c000d> 3c02803e 24422e88 aca20048 03e00008 00001021 8000Hz) Buffer [ 297.473078] ---[ end trace 20464ba028fdbc77 ]--- size range from 2048 to 32768 P[ 297.481738] Fatal exception: panic in 5 secondseriod size range from 1024 to 2048 Using max buffer size 32768 Periods = 4