What I read there is that there is an issue about the nvidia card driver and the kernel.
So maybe if you just use a generic driver, it could solve your shutdown - poweroff problem, but you won#T use the nvidia driver, what could be but maybe is not an issue...
But it is just another guess!
...yes of course also other users have an similiar but maybe a slightly different problem...and as we said before: it worked with 10.04 so it will with 12.04!
don't know if this is really useful, but it shows that the problem is not OS dependent. www.insanelymac .com/forum/ index.php? showtopic= 192864
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What I read there is that there is an issue about the nvidia card driver and the kernel.
So maybe if you just use a generic driver, it could solve your shutdown - poweroff problem, but you won#T use the nvidia driver, what could be but maybe is not an issue...
But it is just another guess!
...yes of course also other users have an similiar but maybe a slightly different problem...and as we said before: it worked with 10.04 so it will with 12.04!