Well this shouldn't have been closed: pulling in the wrong kernel during update is a very bad behavior, causing issues like the one mentioned above.
My guess is that the other kernel was used without some required modules, e.g. linux-restricted-modules for that kernel - and therefor sounds got broken somehow.
Well this shouldn't have been closed: pulling in the wrong kernel during update is a very bad behavior, causing issues like the one mentioned above. d-modules for that kernel - and therefor sounds got broken somehow.
My guess is that the other kernel was used without some required modules, e.g. linux-restricte
I'm marking it as a duplicate of bug 188579.