Dave Stevens wrote:
> On Tuesday, July 06, 2010 08:38:38 am Bill Davidsen wrote:
>> Rick Sewill wrote:
>>> On 07/05/2010 10:23 PM, Rick Sewill wrote:
>> .
>>
>>> I am wondering if OSS is enabled on your system.
>>>
>>> Please look for things related to OSS in
>>> /etc/modprobe.conf (if it exists)
>>> and /etc/modprobe.d
>>> Please make sure the line in /etc/modprobe.d/dist-oss.conf is
>>> commented out.
>>>
>>> Please do, lsmod | grep snd
>>> Please make sure there is nothing like snd-pcm-oss or snd-seq-oss
>>> installed.
>> I think you have this totally backward. There are many applications which
>> use the /dev/dsp* devices, and which will produce no sound unless they are
>> present. In fact, I think the majority of older hardware does not have
>> support for sound other than oss. As I look at my newest TV card it has
>> stuff in /dev/dvb, while the other 4-5 cards which have been happily in
>> use do not.
>>
>> To test (as root):
>> modprobe -v snd-pcm-oss
>> {test applications for sound here}
>
> [root@davehost dave]# modprobe -v snd-pcm-oss
> insmod /lib/modules/2.6.33.5-124.fc13.x86_64/kernel/sound/core/oss/snd-mixer-
> oss.ko
> insmod /lib/modules/2.6.33.5-124.fc13.x86_64/kernel/sound/core/oss/snd-pcm-
> oss.ko
> [root@davehost dave]#
>
Yes, that should get the sound working if it's going to work at all. If adding
OSS will provide the dsp needed, the modules will be loaded.
As you note, the default is not to load the oss modules, starting with fc11,
which is where the problem seems to have started. So if sound suddenly started
working on a machine (and that has happened for me) the solution would be clear.
> also
> [root@davehost core]# pwd
> /lib/modules/2.6.33.5-124.fc13.x86_64/kernel/sound/core
> [root@davehost core]# ls
> oss snd-hrtimer.ko snd.ko snd-pcm.ko snd-timer.ko
> seq snd-hwdep.ko snd-page-alloc.ko snd-rawmidi.ko
> [root@davehost core]#
>
> dist-oss.conf has the module load line commented out,
>
> and
>
> [root@davehost modprobe.d]# cat dist-alsa.conf
> # ALSA Sound Support
> #
> # We want to ensure that snd-seq is always loaded for those who want to use
> # the sequencer interface, but we can't do this automatically through udev
> # at the moment...so we have this rule (just for the moment).
> #
> # Remove the following line if you don't want the sequencer.
>
> install snd-pcm /sbin/modprobe --ignore-install snd-pcm && /sbin/modprobe snd-
> seq
> [root@davehost modprobe.d]#
>
>
>
>
>
>
>> A lot of people have functional old hardware they can't replace, for
>> financial or technical reasons. That's why there is oss support, to
>> support the hardware which needs it.
>
> [root@davehost dave]# lsmod | grep ens
> snd_ens1370 20973 2
> gameport 8936 1 snd_ens1370
> snd_rawmidi 19917 1 snd_ens1370
> snd_pcm 76131 3 snd_hda_intel,snd_hda_codec,snd_ens1370
> snd 60573 13
> snd_hda_intel,snd_hda_codec,snd_hwdep,snd_ens1370,snd_rawmidi,snd_seq,snd_seq_device,snd_pcm,snd_timer
> snd_page_alloc 7221 3 snd_hda_intel,snd_ens1370,snd_pcm
--
Bill Davidsen <davidsen@xxxxxxx>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot
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