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Missing boot partition in Chameleon

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So, I've installed Mountain Lion a few days ago and it's been running great.


The problem is, all of a sudden, Chameleon no longer shows my Mac partition in the boot menu, it only shows the Windows NTFS partition. I haven't had any kind of crash recently.


The weird part is, when I press enter to boot from the Windows partition, Chameleon actually tries to boot from the Mac partition. I can type in boot arguments, even though the NTFS partition is selected and booting with -v shows messages related to hd(0,1) - the mac partition. Booting goes all the way up to when the kernel messages are supposed to appear, but instead, my computer reboots with no errors or anything.


The Mac partition is OK, fsck shows no errors, it mounts with no issues and all the files are there.

Starting Chameleon from the install USB doesn't help, with any of the recent Mountain Lion compatible versions.

An older version of Chameleon from a SL install DVD can see the partition just fine, but it can't boot it, since the Chameleon version is too old.

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I'm having the same issue. Actually, I have a hard drive with two partitions, one with win7 and one with mountain lion, and both could be seen and booted from Chameleon. Now, Chameleon only sees the win7 partition. I also had the ML installation on a USB drive with three partitions (I put it on there using Super Duper). I used to be able to see all three partitions from Chameleon, but now the ML partition doesn't show up. If I plug that usb drive into another computer with ML, all three show up fine. I'm completely flabbergasted.

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