Re: [linux-audio-user] Which kernel for low latency?

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Subject: Re: [linux-audio-user] Which kernel for low latency?
From: Glenn McCord (clari_player_AT_paradise.net.nz)
Date: Sun Jan 18 2004 - 01:24:48 EET

modprobe.conf and modules.conf have the same sound related entries.
Where is snddevices found? I can't install alsa-driver when alsa is
built in and even if I exclude alsa from the kernel I still can't
install it. I'm just going to try a straight 2.6.1 kernel (no patches).
I got sound with the 2.6 by doing this but had dreadful jack
performance. Here goes...

/dev/snd/pcmC0D0p failed:
This file exists and I gave it full permissions. But no luck for me.

Gian Paolo Mureddu wrote:

> Tommi Sakari Uimonen wrote:
>
>>> rebooted and install alsa-lib-1.0.1 and alsa-utils-1.0.1 as well but I
>>> get these errors
>>>
>>> root_AT_upstairs glenn # aplay /usr/kde/3.2/share/sounds/pop.wav
>>> ALSA lib pcm_hw.c:1055:(snd_pcm_hw_open) open /dev/snd/pcmC0D0p failed:
>>> No such file or directory
>>> aplay: main:502: audio open error: No such file or directory
>>>
>>
>>
>> I'm not totally sure, but if devfs is not in the kernel, you should also
>> run snddevices script from alsa-driver.
>>
>> It will create the /dev entries needed for alsa.
>>
>> Tommi Uimonen
>>
>>
>>
> Also, did you set the modules to load in modprobe.conf, used by 2.6.x
> (instead of modules.conf which is used by 2.4.x) to load modules
> (copy-paste the settings). Definitly it is also advisable to run
> snddevices (if this is your first time using ALSA).
>
>

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