[alsa-devel] additional problem

[David Henderson]

On 07/12/2011 09:30 AM, David Henderson wrote:
> On 07/12/2011 09:13 AM, Takashi Iwai wrote:
>> At Tue, 12 Jul 2011 09:05:31 -0400,
>> David Henderson wrote:
>>> On 07/11/2011 11:52 AM, Takashi Iwai wrote:
>>>> At Mon, 11 Jul 2011 11:25:34 -0400,
>>>> David Henderson wrote:
>>>>> On 07/11/2011 11:17 AM, Takashi Iwai wrote:
>>>>>> At Mon, 11 Jul 2011 11:13:03 -0400,
>>>>>> David Henderson wrote:
>>>>>>> On 07/11/2011 11:12 AM, Takashi Iwai wrote:
>>>>>>>> At Mon, 11 Jul 2011 11:05:11 -0400,
>>>>>>>> David Henderson wrote:
>>>>>>>>> On 07/11/2011 10:43 AM, Takashi Iwai wrote:
>>>>>>>>>> At Mon, 11 Jul 2011 10:26:05 -0400,
>>>>>>>>>> David Henderson wrote:
>>>>>>>>>>> On 07/01/2011 02:41 AM, Takashi Iwai wrote:
>>>>>>>>>>>> At Thu, 30 Jun 2011 08:15:41 -0400,
>>>>>>>>>>>> David Henderson wrote:
>>>>>>>>>>>>> On 06/29/2011 09:57 AM, David Henderson wrote:
>>>>>>>>>>>>>> Hi gang!  I've successfully been able to compile the 
>>>>>>>>>>>>>> alsa-utils
>>>>>>>>>>>>>> package with the
>>>>>>>>>>>>>> "--with-alsa-inc-prefix=/opt/staging/alsa/var/share/include
>>>>>>>>>>>>>> --with-alsa-prefix=/opt/staging/alsa/lib", but the 
>>>>>>>>>>>>>> problem I'm having
>>>>>>>>>>>>>> now is that the compiled binaries are looking for those 
>>>>>>>>>>>>>> directories
>>>>>>>>>>>>>> during run-time and not just compile-time.  Does anyone 
>>>>>>>>>>>>>> have any
>>>>>>>>>>>>>> thoughts on using those directories for package creation, 
>>>>>>>>>>>>>> but that the
>>>>>>>>>>>>>> software doesn't use the '/opt/staging/alsa' prefix 
>>>>>>>>>>>>>> during run-time?
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Thanks,
>>>>>>>>>>>>>> Dave
>>>>>>>>>>>>> bump for help
>>>>>>>>>>>> It works usually as is.  Check once via ldd whether the 
>>>>>>>>>>>> binary is
>>>>>>>>>>>> really linked with that fixed path.  You may hit a problem 
>>>>>>>>>>>> when using
>>>>>>>>>>>> libtool with *.la files, for example.
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> Takashi
>>>>>>>>>>> Thanks for the continued help Takashi.  I've performed the 
>>>>>>>>>>> requested
>>>>>>>>>>> steps, but all referenced libs are correct (e.g. /lib/... 
>>>>>>>>>>> and not
>>>>>>>>>>> /opt/staging/alsa/lib/...).  Any other thoughts?
>>>>>>>>>> Check ldd output of the binary.  If it contains the /opt/ 
>>>>>>>>>> path, it
>>>>>>>>>> means that the path is set statically into the binary.  The old
>>>>>>>>>> libtool had a related problem, IIRC.
>>>>>>>>>>
>>>>>>>>>> Other than that, rather ask your distro.  It's really 
>>>>>>>>>> distro-specific.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Takashi
>>>>>>>>> Hey Takashi, I performed the requested steps, but the output 
>>>>>>>>> is still
>>>>>>>>> correct (e.g. /lib/... and not /opt/staging/alsa/lib/...).
>>>>>>>> So, what shows ldd at all?  Too little information.
>>>>>>>>
>>>>>>>>
>>>>>>>> Takashi
>>>>>>> # ldd /bin/amixer
>>>>>>>             linux-gate.so.1 =>     (0xb7768000)
>>>>>>>             libm.so.6 =>    /lib/libm.so.6 (0xb7741000)
>>>>>>>             libasound.so.2 =>    /lib/libasound.so.2 (0xb7667000)
>>>>>>>             libdl.so.2 =>    /lib/libdl.so.2 (0xb7663000)
>>>>>>>             libpthread.so.0 =>    /lib/libpthread.so.0 (0xb764b000)
>>>>>>>             libc.so.6 =>    /lib/libc.so.6 (0xb7507000)
>>>>>>>             /lib/ld-linux.so.2 (0xb7769000)
>>>>>>>             librt.so.1 =>    /lib/librt.so.1 (0xb74fe000)
>>>>>> Then what happens if you run /bin/amixer ?
>>>>>>
>>>>>>
>>>>>> Takashi
>>>>> # /bin/amixer
>>>>> ALSA lib conf.c:3601:(snd_config_update_r) Cannot access file
>>>>> /opt/staging/package/var/share/alsa/alsa.conf
>>>>> ALSA lib control.c:902:(snd_ctl_open_noupdate) Invalid CTL default
>>>>> amixer: Mixer attach default error: No such file or directory
>>>> It's a problem of alsa-lib build, not alsa-utils.
>>>> Maybe you changed --prefix wrongly at alsa-lib build time?
>>>>
>>>>
>>>> Takashi
>>> That solved the problem!  Thanks Takashi!  Now that I've gotten the
>>> software to compile correctly and I'm able to interact with the audio
>>> hardware using alsamixer, I tried to run the speaker-test and now I'm
>>> getting the error "ALSA lib
>>> pcm_direct.c:1616:(snd1_pcm_direct_parse_open_conf) The field ipc_gid
>>> must be a valid group (create group audio)" which I can see is a 
>>> problem
>>> with the absence of the 'audio' group on the distro.  Is there a way I
>>> can configure alsa to use a different group other than 'audio'?
>> You can set defaults.pcm.ipc_gid in ~/.asoundrc or /etc/asound.conf.
>> Put a line like
>>     defaults.pcm.ipc_gid    "user"
>>
>> then the group "user" will be used for dmix/dsnoop.
>>
>>
>> Takashi
>
> Thanks again for the help Takashi.  Ok, I've created the 
> /etc/asound.conf file with the appropriate group and now I'm trying to 
> run the aplay binary and I'm not getting any error messages, but I'm 
> also not hearing any sounds from the speakers.
>
> # aplay freq10-30000-10s.wav
> Playing WAVE 'freq10-30000-10s.wav' : Signed 16 bit Little Endian, 
> Rate 44100 Hz, Mono
>
> # speaker-test -w ./freq10-30000-10s.wav
>
> speaker-test 1.0.23
>
> Playback device is default
> Stream parameters are 48000Hz, S16_LE, 1 channels
> Using 16 octaves of pink noise
> Rate set to 48000Hz (requested 48000Hz)
> Buffer size range from 2048 to 8192
> Period size range from 1024 to 1024
> Using max buffer size 8192
> Periods = 4
> was set period_size = 1024
> was set buffer_size = 8192
>  0 - Front Left
> Time per period = 2.835792
>  0 - Front Left
> Time per period = 2.986653
>  0 - Front Left
> Time per period = 2.986654
>  0 - Front Left
> ...snip...
>
> I've made sure nothing is muted with the audio hardware by using 
> alsamixer and changed the permissions on the files within the /etc/snd 
> directory.  Any other thoughts?
>
> Dave

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