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Re: Bogus corruption warning, GPT+MBR disk

From: Chris Murphy
Subject: Re: Bogus corruption warning, GPT+MBR disk
Date: Tue, 20 Mar 2012 12:53:32 -0600

On Mar 16, 2012, at 12:12 PM, Chris Murphy wrote:
> 3. In this particular example, the question probably shouldn't even be asked, 
> because the UEFI spec pretty clearly says that a valid legacy MBR means it is 
> not a GPT disk.


This is a pretty significant bug, for a valid legacy MBR (without an 0xEE 
entry), to be unreadable by parted. The choice parted offers is either honoring 
the stale GPT, or treating the disk as an 'unknown' disklabel. This is exactly 
what UEFI 5.3.2 warns against,[1] and is seems pretty clear parted is 
"misinterpreting the contents of the disk."

Filed a bug here:

Chris Murphy

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