hello.
i followed the documentation for the macbook 7,1, and everything was working beautifully up until the kernel header upgrades on august 5th. after the update, sound no longer works on my macbook. i checked the file /etc/modprobe.d/alsa-base.conf and found that the line "options snd-hda-intel model=mbp55" was still right where i left it.
i tried reinstalling gnome-alsamixer, to no avail. neither alsamixer nor the ubuntu sound preferences see a sound device anymore.
changing the line "options snd-hda-intel model=mbp55" to "options snd-hda-intel model=auto" gave me a dummy device in both alsamixer and the sound preferences but it did not affect my speakers or headphone jack.
this is the aptitude history for the upgrade:
if anyone can help me solve this i would be extremely grateful, i know the ubuntu forums are always awesome with this kind of stuff.Code:Start-Date: 2010-08-05 01:40:07 Upgrade: linux-image-2.6.32-24-generic (2.6.32-24.38, 2.6.32-24.39), linux-headers-2.6.32-24 (2.6.32-24.38, 2.6.32-24.39), gparted (0.5.1-1ubuntu2, 0.5.1-1ubuntu3), linux-libc-dev (2.6.32-24.38, 2.6.32-24.39), gdm (2.30.2.is.2.30.0-0ubuntu2, 2.30.2.is.2.30.0-0ubuntu3), linux-headers-2.6.32-24-generic (2.6.32-24.38, 2.6.32-24.39) End-Date: 2010-08-05 01:40:57



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