[Bug 658365] [NEW] No sound in 10.10 Maverick Meerkat

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After a day of smooth running, my sound stopped working  without
warning.

The sound card is the one packaged with the Acer Aspire 6920, though I
cant seem to find the model number anywhere.

Everything was working perfectly fine yesterday, though something seems
to have broken somewhere along the way, similar to as reported here:
http://ubuntuforums.org/showthread.php?t=1572272 .

This: https://bugs.launchpad.net/system76/+bug/463874 sounds like the
right sort of thing, and may help others, though does not apply in my
case.

I think it might be an issue with the kernel version, as solved here:
http://ubuntuforums.org/showthread.php?t=1316634 , though these
instructions are obsolete for 10.10, especially taking into account GRUB
2.

In the mixer on the panel no hardware items are listed, lshw lists no
sound devices and ubuntu-bug audio crashes on account of there being
nothing in /proc/asound/cards, so there is no full bug report
forthcoming.

This is bad.

I have now run out of ideas, short of rolling everything back to OSS
(something I would very much rather not do), and am in a bit of a tight
spot, having a mass of work to do already today. Any help would be
greatly appreciated!

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Incomplete

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No sound in 10.10 Maverick Meerkat
https://bugs.launchpad.net/bugs/658365
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