sound problems with latest updates in f8test

[dragoran]

On 8/18/07, stan <eiqep_eiwo_y at cox.net> wrote:
>
> Hi,
>
> I have an application that opens the sound card.  With the latest
> updates it will still open it as default device but can no longer open
> it as plughw:0,0.  The error I get is
> cannot open audio device "plughw:0,0" (Device or resource busy)
>
> When I run powertop, I see that the driver has a lot of interrupts even
> though there is no sound running.
> Top causes for wakeups:
>   43.9% (100.6)       <interrupt> : ohci_hcd:usb2, eth0
>   20.5% ( 46.9)       <interrupt> : ICE1724
>    9.6% ( 22.0)       <interrupt> : libata
>    6.4% ( 14.6)   at-spi-registry : schedule_timeout (process_timeout)
>    4.6% ( 10.5)                 X : do_setitimer (it_real_fn)
>    4.4% ( 10.0)   /usr/bin/sealer : schedule_timeout (process_timeout)
>
> Perhaps this is normal, but given the device busy error above it makes
> me suspicious that there is something wrong.
>
> Sound plays normally using audio player, but it uses the default
> device.  I notice that the usage drops by about half for ICE1724 when
> the sound is playing.
>
> I'll probably do a debug of this at some point and post any findings.


that may be related to the pulse audio changes you have to use default to
play sound with alsa.
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