[Bug 13170] Macbook 5,2 only boots with acpi=off, or nosmp, or maxcpus=1

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=13170

--- Comment #75 from morten vermund (mortenvermund at gmail.com) ---
(In reply to danny.piccirillo from comment #34)
> I ran into this installing Ubuntu on a friend's machine (the newer MacBook
> 5,2 http://en.wikipedia.org/wiki/MacBook#Model_specifications released May
> 27, 2009). 
> 
> Potentially helpful information: https://playlegalsportsbetting.com/
> 
> Someone found that /proc/cpuinfo reports the CPU as being single core, even
> though it is actually dual core. From
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/341230
> 
> When booting without any of the options as a workaround for this bug, the
> screen goes blank and for a brief moment i see "[5.162415] Not responding"
> before the screen goes blank once again. I uploaded a video of this to
> http://www.archive.org/details/FuckingMacs but it is temporary and will
> disappear after a few days. Anybody know a better place to host? 
> 
> How can i help? What other info is needed for this bug?

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