Re: 2.6.12 sound problem

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

Stephen Clark wrote:

>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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>  
>
Hi Henry,

That fixed my problem. How did you discover this?

Steve


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