linux-kernel - Re: 2.6.26-rc1 regression: e5e1d3cb20034a3cbcfff1f0bae12201aa2ce17e breaks artsd

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Date:	Mon, 12 May 2008 09:24:17 +0200
From:	Roberto Oppedisano <roberto.oppedisano@...racom.it>
To:	Stas Sergeev <stsp@...et.ru>
CC:	LKML <linux-kernel@...r.kernel.org>, Takashi Iwai <tiwai@...e.de>
Subject: Re: 2.6.26-rc1 regression: e5e1d3cb20034a3cbcfff1f0bae12201aa2ce17e
 breaks artsd

Hello.

Stas Sergeev wrote:
> Roberto Oppedisano wrote:
>   
>>> cat /proc/asound/cards
>>>   
>>>       
>>  0 [pcsp           ]: PC-Speaker - pcsp
>>                       Internal PC-Speaker at port 0x61
>>  1 [I82801DBICH4   ]: ICH4 - Intel 82801DB-ICH4
>>                       Intel 82801DB-ICH4 with AD1981B at irq 10
>>  2 [Modem          ]: ICH-MODEM - Intel 82801DB-ICH4 Modem
>>                       Intel 82801DB-ICH4 Modem at irq 10
>>     
>>> I guess you simply got the pc-speaker driver
>>> loaded first and became your primary sound
>>> driver, which is not what you want.
>>>       
>> yes, that's true. Anyway in this case the sound server crashes with a
>> signal 6.
>>     
> I can't say for sure why does the
> crash happen, but what is known is
> that you need a very recent alsa-lib
> to get pc-speaker working properly.
> And  even 1.0.16 is not modern enough
> for that. :(
> But that's not a big deal.
> The attached config is only what's
> needed. Put it into /usr/share/alsa/cards
> and /etc/alsa/cards and maybe that
> will help. There should be already
> the file with that name - overwrite it.
>   
With the supplied conf (and without the module option) artsd does not crash
anymore (no sound from pc speaker but that's not an issue, my alsa-lib is
still 1.0.16).
>> Passing -D dsp1 to artsd avoids the crash,
>>     
> The easiest solution is
> ---
> options snd-pcsp index=2
> ---
> into /etc/modprobe.conf. It will
> then not go ahead of 2 other drivers
> of yours.
>   
I can confirm that this solved any issue I had with sound, which is now
working properly.

Kind regards,
R
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