Re: 2.6.12 sound problem

[Stephen Clark <stephen.clark@earthlink.net>]

Yuan, Hang wrote:

>-----Original Message-----
>From: alsa-devel-admin@lists.sourceforge.net [mailto:alsa-devel-admin@lists.sourceforge.net] On Behalf Of Stephen Clark
>Sent: 2005Äê7ÔÂ28ÈÕ 22:12
>To: alsa-devel@lists.sourceforge.net
>Subject: Re: [Alsa-devel] 2.6.12 sound problem
>
>Stephen Clark wrote:
>
>  
>
>>Hello List,
>>
>>
>>I recently upgraded my laptop, HP Pavilion N5430, from a 2.4.21 kernel
>>to 2.6.12. As a result of
>>doing this my sound no longer works correctly. It plays the same thing
>>repeatedly some number
>>of times - if it plays at all.
>>
>>Any ideas on how to debug this would be appreciated.
>>
>>Additional info I don't see any interrupts in /proc/interrupts for the 
>>Allegro which is on int 5.
>>I just tried the same laptop with knoppix and a 2.4.27 kernel and sound 
>>works great and I do
>>see interrupts for Allegro on int 5.
>>
>>
>>Thanks,
>>Steve
>>
>>aplay -v and aadebug output follow.
>>
>>root@joker4 ~]# aplay -v /usr/share/apps/kget/sounds/started.wav
>>Playing WAVE '/usr/share/apps/kget/sounds/started.wav' : Unsigned 8 bit,
>>Rate 11128 Hz,Mono
>>Plug PCM: Hardware PCM card 0 'ESS Allegro PCI' device 0 subdevice 1
>>
>>Its setup is:
>>stream       : PLAYBACK
>>access       : RW_INTERLEAVED
>>format       : U8
>>subformat    : STD
>>channels     : 1
>>rate         : 11128
>>exact rate   : 11128 (11128/1)
>>msbits       : 8
>>buffer_size  : 5564
>>period_size  : 1391
>>period_time  : 125000
>>tick_time    : 1000
>>tstamp_mode  : NONE
>>period_step  : 1
>>sleep_min    : 0
>>avail_min    : 1391
>>xfer_align   : 1391
>>start_threshold  : 5564
>>stop_threshold   : 5564
>>silence_threshold: 0
>>silence_size : 0
>>boundary     : 1458569216
>>aplay: pcm_write:1171: write error: Input/output error
>>
>>aadebug output:
>>ALSA Audio Debug v0.0.9 - Mon Jul 25 14:49:10 EDT 2005
>>http://alsa.opensrc.org/?page=aadebug
>>
>>Kernel ----------------------------------------------------
>>Linux joker4.seclark.com 2.6.12-prep #1 Sun Jul 24 22:39:46 EDT 2005
>>i686 athlon i386 GNU/Linux
>>
>>Loaded Modules --------------------------------------------
>>snd_maestro3           25252  2
>>snd_ac97_codec         76408  1 snd_maestro3
>>snd_seq_dummy           3972  0
>>snd_seq_oss            37760  0
>>snd_seq_midi_event      9600  1 snd_seq_oss
>>snd_seq                62992  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
>>snd_seq_device          9228  3 snd_seq_dummy,snd_seq_oss,snd_seq
>>snd_pcm_oss            51760  0
>>snd_mixer_oss          18304  1 snd_pcm_oss
>>snd_pcm               100744  4 snd_maestro3,snd_ac97_codec,snd_pcm_oss
>>snd_timer              33924  2 snd_seq,snd_pcm
>>snd_page_alloc         10116  1 snd_pcm
>>snd                    57860  12
>>snd_maestro3,snd_ac97_codec,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
>>
>>Modprobe Conf ---------------------------------------------
>>alias snd-card-0 snd-maestro3
>>options snd-card-0 index=0
>>options snd-maestro3 index=0
>>remove snd-maestro3 { /usr/sbin/alsactl store 0 >/dev/null 2>&1 || : ;
>>}; /sbin/modprobe -r --ignore-remove snd-maestro3
>>
>>Proc Asound -----------------------------------------------
>>Advanced Linux Sound Architecture Driver Version 1.0.9rc2  (Thu Mar 24
>>10:33:392005 UTC).
>>0 [PCI            ]: Allegro - ESS Allegro PCI
>>                      ESS Allegro PCI at 0x1400, irq 5
>>   1:       : sequencer
>>  16: [0- 0]: digital audio playback
>>  24: [0- 0]: digital audio capture
>>   0: [0- 0]: ctl
>>  33:       : timer
>>00-00: Allegro : Allegro : playback 2 : capture 1
>>
>>Dev Snd ---------------------------------------------------
>>controlC0  pcmC0D0c  pcmC0D0p  seq  timer
>>
>>CPU -------------------------------------------------------
>>model name      : mobile AMD Duron(tm) Processor
>>cpu MHz         : 299.999
>>
>>RAM -------------------------------------------------------
>>MemTotal:       255652 kB
>>SwapTotal:      524280 kB
>>
>>Hardware --------------------------------------------------
>>00:00.0 Host bridge: ALi Corporation M1647 Northbridge [MAGiK 1 /
>>MobileMAGiK 1] (rev 04)
>>00:08.0 Multimedia audio controller: ESS Technology ES1988 Allegro-1
>>(rev 12)
>>
>> 
>>
>>    
>>
>I've downloaded the latest alsa 1.09rc4a and tried it with no success. 
>Is there anything I can do
>to further troubleshoot this. I configured the sw --with-debug=full but 
>didn't see any additional output.
>I am willing to get my hands dirty if someone will give me some 
>direction. This laptop is used by my teenage daughter and she has to 
>have sound ;).
>
>Steve
>
>Is the kernel in UP mode? If so, try SMP mode or enable "local APIC support", "I/O APIC support" and re-build UP kernel. I met the similar problem like you described and no interrupts were reported in /proc/interrupts. I don't know the exact reason. But the workaround above can solve the problem. Hope this method can also help you.
>
>- Henry
>
>  
>
Thanks Henry,

I'll give it a try and report back my result. I am in the process of 
switching from FC4 to gentoo, ( gentoo still supports 2.4 ).

Steve


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