Gnome volume control downs to 0 after boot
 

I have tried all I've found by googling, but it's impossible. The Volume control cannot remember the level I've set after rebooting.
There's something bizarre: It always keeps the control set in the "Preferences" option. But the other (PCM or volume) always goes to 0 after rebooting.
I've tried alsactl store, changing modules.conf, etc etc etc etc etc
It seems that on booting, some file changes the presets always to the same levels. Is there any way of knowing how happens _exactly_ when booting? (that means, what file accesses, in which folder, who changes the volume presets, etc)
Do you have any clues for me to keep tyracking the problem?

Thanks a lot.

What distro?

It's an installation of Mandrake 10.1, but I have everything updated so I don't know if we can talk about a further distro (now the screens talk about "Linux 2005 Limited Edition") or it's still 10.1

I made it!!!
I just added two lines to /etc/modprobe.conf (as root) and it works!!!! (by now)

This is the modprobe.conf resulting (the lines added are the last twice, in bold), just in case that somebody wants to confirm what has happened or as a solution when somebody else suffers the same trouble:
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# This file is autogenerated from /etc/modules.conf using generate-modprobe.conf command

install scsi_hostadapter /sbin/modprobe ata_piix; /bin/true
alias eth0 tulip
remove snd-intel8x0 /sbin/modprobe -r snd-pcm-oss; /sbin/modprobe --first-time -r --ignore-remove snd-intel8x0
install snd-intel8x0 /sbin/modprobe --first-time --ignore-install snd-intel8x0 && { /sbin/modprobe snd-pcm-oss; /bin/true; }
install usb-interface /sbin/modprobe uhci-hcd; /sbin/modprobe ehci-hcd; /bin/true
remove ali5455 /sbin/modprobe --first-time -r --ignore-remove ali5455
install ali5455 /sbin/modprobe --first-time --ignore-install ali5455

# --- BEGIN: Generated by ALSACONF, do not edit. ---
# --- ALSACONF verion 1.0.8 ---
options snd device_mode=0666
alias snd-card-0 snd-intel8x0
alias sound-slot-0 snd-intel8x0
# --- END: Generated by ALSACONF, do not edit. ---

install snd-intel8x0 /sbin/modprobe --ignore-install snd-intel8x0 && /usr/sbin/alsactl restore >/dev/null 2>&1 || :
remove snd-intel8x0 { /usr/sbin/alsactl store >/dev/null 2>&1 || : ; }; /sbin/modprobe -r --ignore-remove snd-intel8x0

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El Croat CatalÃ_ (Barcelona-Catalunya-Europe).