[Pkg-alsa-devel] Re: Bug#357236: linux-image-2.6.16-rc5-686: no sound on Lifebook P2120

[Adam C Powell IV]

Greetings again, (please scroll down)

On Tue, 2006-06-20 at 13:59 -0400, Adam C Powell IV wrote:
> On Tue, 2006-06-20 at 18:16 +0200, Elimar Riesebieter wrote:
> > On Mon, 19 Jun 2006 the mental interface of
> > Adam C Powell IV told:
> > 
> > > reassign 357236 linux-image-2.6.16-2-686
> > > forwarded 357236 https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1943
> > > thanks
> > > 
> > > Hadn't noticed that the forward tag didn't work last time, sorry about
> > > that.
> > > 
> > > Okay, it's been three months and upstream hasn't touched my bug.  I'm
> > > wondering if I can get some help here, or at least vague ideas about
> > > what might be going wrong.
> > > 
> > > On this laptop, fn-F3 toggles mute; when mute is turned off, there's an
> > > audible beep.  When repeatedly toggling "mute unmute mute unmute", I
> > > noticed that this audible beep capability stops during the boot.  By
> > > booting with init=/bin/bash and carefully going through things, I've
> > > managed to narrow it down to when the /etc/init.d/udev script runs
> > > udevtrigger.
> > > 
> > > If I reboot and load the modules which udevtrigger would load, that does
> > > not cause the beeps to stop, but then running udevtrigger does stop
> > > them.  I think something in udevtrigger somehow disables sound output.
> > > 
> > > Any ideas?
> > 
> > No.
> > Which Kernel?
> > Which alsa-packages?
> > Wich distro (sarge|testing|sid)?
> 
> 2.6.8 through 2.6.16 (in the bug)
> alsa 1.0.11-2
> Debian etch
> 
> > Did you build the latest drivers out of alsa-source 1.0.11-2?
> 
> No, that's already in etch.
> 
> > What tells cat /proc/asound after a normal boot?
> > which modules are loaded then?
> > Are there any mixer settings muted?
> 
> /proc/asound looks pretty much normal, indicates the snd-ali5451 module.
> I can send a tarball if that would help.
> alsamixer shows MM for 3D Contr, Mic Boos, IEC958, Caller I, External,
> and Off-hook (?).  Turning off MM...  Oh my gosh, turning it off on
> External makes the sound work again!

Update: about a month ago, this stopped working again.  I can't get it
to work for 2.6.15, .16 or .17 any more!

Nothing is muted, but I can't raise the External volume above zero.

Any ideas?

Thank you,
-Adam
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