How to get workarounds for specific hardware in Fedora?

Rick Stevens ricks at nerd.com
Tue Dec 22 17:07:05 UTC 2009


On 12/22/2009 01:42 AM, Felix Schwarz wrote:
> Hi,
>
> I use a Dell E521 and since Fedora 10 I have sound problems with every
> release of Fedora. Previously there was no sound from the headphone
> jack, then no sound at all and with F12 I experienced that the sound
> volume reduces itself 'magically' until the volume is completely muted
> after 30s (with no way to get the volume up again).
>
> However the hardware is quite common:
> 00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio
> (rev a2)
>
> It turns out that it can be fixed by adding a special option to
> /etc/modprobe.d/dist-alsa.conf:
> options snd-hda-intel model="ref"
>
> After a reboot all sound problems were gone (with every release of Fedora).
>
> So as I always need 2-3 weeks to remember the old fix again, I would
> like to get this somehow 'in Fedora' so that new systems just will have
> working sound from day 0.
>
> Now it's a bit unclear to me whom I should bug so that it get's in.
> - Alsa developers?
> - Alsa maintainer?
> - Anaconda guys?
> - fedora-devel list and hope that someone picks it up?
>
> help appreciated :-)

Extract as much info about the card as you can (output from "lspci -v",
"dmidecode", etc.) and post a bugzilla with your fix.  Perhaps it can
be added to Anaconda.
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