Ok,

some news :

I find out where it's blocked :

I've compiled the alsa-lib, and I've put a lot of printf.

In the file pcm.c, in the function : snd_pcm_wait_nocheck

This line : err_poll = poll(pfd, npfds, timeout);

is called, but I never go out ....

my trace show :

struct pollfd *pfd: 0xbed64780, npfds: 1, timeout: -1

I don't know if it's ok ?

Micka,

Le lun. 3 août 2015 à 09:41, Micka mickamusset@gmail.com a écrit :

From what I see, it looks like that the alsa lib is calling multiple time SNDRV_PCM_IOCTL_SYNC_PTR

And it's not calling SNDRV_PCM_IOCTL_WRITEN_FRAMES ....

Robert, I'm having issue to find out the version of alsa lib, do you have any idea ?

Maybe I'm going to compile it

Le lun. 3 août 2015 à 08:58, Micka mickamusset@gmail.com a écrit :

...

Hi,

Thx to this site : http://www.programdevelop.com/4763397/

I understand better the flow of ALSA :)

this is my new log :

[ 84.688930] snd_soc_dai_digital_mute 0 0 [ 84.689000] snd_pcm_playback_ioctl [ 84.689032] snd_pcm_playback_ioctl1 3229892899 [ 84.689057] call snd_pcm_common_ioctl1 [ 84.689084] snd_pcm_common_ioctl1 3229892899 [ 84.689109] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.689624] snd_pcm_playback_ioctl [ 84.689664] snd_pcm_playback_ioctl1 3228057875 [ 84.689689] call snd_pcm_common_ioctl1 [ 84.689715] snd_pcm_common_ioctl1 3228057875 [ 84.695219] snd_pcm_playback_ioctl [ 84.695269] snd_pcm_playback_ioctl1 3229892899 [ 84.695296] call snd_pcm_common_ioctl1 [ 84.695322] snd_pcm_common_ioctl1 3229892899 [ 84.695347] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.695400] snd_pcm_playback_ioctl [ 84.695427] snd_pcm_playback_ioctl1 3229892899 [ 84.695451] call snd_pcm_common_ioctl1 [ 84.695476] snd_pcm_common_ioctl1 3229892899 [ 84.695499] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.696332] snd_pcm_playback_ioctl [ 84.696364] snd_pcm_playback_ioctl1 3229892899 [ 84.696389] call snd_pcm_common_ioctl1 [ 84.696414] snd_pcm_common_ioctl1 3229892899 [ 84.696438] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.696474] snd_pcm_playback_ioctl [ 84.696501] snd_pcm_playback_ioctl1 3229892899 [ 84.696524] call snd_pcm_common_ioctl1 [ 84.696548] snd_pcm_common_ioctl1 3229892899 [ 84.696572] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.729249] snd_pcm_playback_ioctl [ 84.729289] snd_pcm_playback_ioctl1 3229892899 [ 84.729303] call snd_pcm_common_ioctl1 [ 84.729317] snd_pcm_common_ioctl1 3229892899 [ 84.729329] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.729355] snd_pcm_playback_ioctl [ 84.729368] snd_pcm_playback_ioctl1 3229892899 [ 84.729378] call snd_pcm_common_ioctl1 [ 84.729390] snd_pcm_common_ioctl1 3229892899 [ 84.729401] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.729787] snd_pcm_playback_ioctl [ 84.729801] snd_pcm_playback_ioctl1 3229892899 [ 84.729812] call snd_pcm_common_ioctl1 [ 84.729824] snd_pcm_common_ioctl1 3229892899 [ 84.729835] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.729852] snd_pcm_playback_ioctl [ 84.729865] snd_pcm_playback_ioctl1 3229892899 [ 84.729875] call snd_pcm_common_ioctl1 [ 84.729887] snd_pcm_common_ioctl1 3229892899 [ 84.729898] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.731902] snd_pcm_playback_ioctl [ 84.731914] snd_pcm_playback_ioctl1 3229892899 [ 84.731925] call snd_pcm_common_ioctl1 [ 84.731937] snd_pcm_common_ioctl1 3229892899 [ 84.731947] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.731962] snd_pcm_playback_ioctl [ 84.731974] snd_pcm_playback_ioctl1 3229892899 [ 84.731984] call snd_pcm_common_ioctl1 [ 84.731996] snd_pcm_common_ioctl1 3229892899 [ 84.732007] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.732314] snd_pcm_playback_ioctl [ 84.732328] snd_pcm_playback_ioctl1 3229892899 [ 84.732338] call snd_pcm_common_ioctl1 [ 84.732350] snd_pcm_common_ioctl1 3229892899 [ 84.732361] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.732375] snd_pcm_playback_ioctl [ 84.732387] snd_pcm_playback_ioctl1 3229892899 [ 84.732398] call snd_pcm_common_ioctl1 [ 84.732410] snd_pcm_common_ioctl1 3229892899 [ 84.732421] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.734421] snd_pcm_playback_ioctl [ 84.734434] snd_pcm_playback_ioctl1 3229892899 [ 84.734444] call snd_pcm_common_ioctl1 [ 84.734456] snd_pcm_common_ioctl1 3229892899 [ 84.734467] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.734481] snd_pcm_playback_ioctl [ 84.734493] snd_pcm_playback_ioctl1 3229892899 [ 84.734503] call snd_pcm_common_ioctl1 [ 84.734515] snd_pcm_common_ioctl1 3229892899 [ 84.734526] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.734826] snd_pcm_playback_ioctl [ 84.734839] snd_pcm_playback_ioctl1 3229892899 [ 84.734850] call snd_pcm_common_ioctl1 [ 84.734862] snd_pcm_common_ioctl1 3229892899 [ 84.734872] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.734887] snd_pcm_playback_ioctl [ 84.734899] snd_pcm_playback_ioctl1 3229892899 [ 84.734909] call snd_pcm_common_ioctl1 [ 84.734921] snd_pcm_common_ioctl1 3229892899 [ 84.734932] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.734974] snd_pcm_playback_ioctl [ 84.734987] snd_pcm_playback_ioctl1 3229892899 [ 84.734998] call snd_pcm_common_ioctl1 [ 84.735010] snd_pcm_common_ioctl1 3229892899 [ 84.735020] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.735034] snd_pcm_playback_ioctl [ 84.735046] snd_pcm_playback_ioctl1 16706 [ 84.735057] call snd_pcm_common_ioctl1 [ 84.735068] snd_pcm_common_ioctl1 16706 [ 84.735080] --SNDRV_PCM_IOCTL_START: [ 84.735096] snd_pcm_do_start [ 84.735108] soc_pcm_trigger [ 84.737206] snd_pcm_playback_ioctl [ 84.737221] snd_pcm_playback_ioctl1 3229892899 [ 84.737232] call snd_pcm_common_ioctl1 [ 84.737244] snd_pcm_common_ioctl1 3229892899 [ 84.737254] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.737280] snd_pcm_playback_ioctl [ 84.737293] snd_pcm_playback_ioctl1 3229892899 [ 84.737303] call snd_pcm_common_ioctl1 [ 84.737315] snd_pcm_common_ioctl1 3229892899 [ 84.737326] SNDRV_PCM_IOCTL_SYNC_PTR: [ 84.747620] snd_pcm_playback_ioctl [ 84.747647] snd_pcm_playback_ioctl1 3229892899 [ 84.747660] call snd_pcm_common_ioctl1 [ 84.747673] snd_pcm_common_ioctl1 3229892899 [ 84.747685] SNDRV_PCM_IOCTL_SYNC_PTR:

Le ven. 31 juil. 2015 à 14:27, g4@novadsp.com a écrit :

...

Hi Micka

...

looks like that my config is good ..... But I can't figure out, where

i'm blocked ....

I am having the same problem with 4.1.0

...

Do you know who call the function soc_pcm_prepare ?

http://lxr.free-electrons.com/source/sound/soc/soc-pcm.c#L698

I will try and repeat the same exercise but it will be early next week.

-- For more options, visit http://beagleboard.org/discuss

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