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Re: alloc magic is broken at... error

From: SevenBits
Subject: Re: alloc magic is broken at... error
Date: Mon, 20 Jan 2014 09:59:40 -0500

On Jan 19, 2014, at 9:23 PM, Andrey Borzenkov <address@hidden> wrote:

> В Sun, 19 Jan 2014 19:45:23 -0500
> SevenBits <address@hidden> пишет:
>> Not sure whether to post this in this bug-grub list or here, so feel free to 
>> correct me if perhaps this is in the wrong spot. I’m not sure if the issue 
>> I’m having is due to a fault in setup or a bug within GRUB.
>> I’m the developer of a tool called Mac Linux USB Loader, and some of my 
>> users are reporting errors with my compiled copy of GRUB. Specifically, 
>> after loading the kernel, GRUB spits out the following error message:
>> alloc magic is broken at 0x81493ca0: 207d007d68746170
>> Aborted. Press any key to exit.
>> The hexadecimal values vary slightly, but generally speaking this is what 
>> the error looks like. The kernel loading operation with GRUB’s linux command 
>> is followed by the initrd command to load the RAM disc, and that operation 
>> never occurs, so I know that the operation never completes.
>> This error never seems to occur with Ubuntu-based distributions. It also 
>> seems to occur if the kernel can’t be found - but in that case, shouldn’t 
>> the linux command fail with an error instead of something like this?
>> I can’t post my GRUB config at the moment, as I’m not on the machine where 
>> it is stored, but any advice that you can give me without it would be 
>> appreciated, such as under what conditions this error occurs.
>> Thanks,
>> — SevenBits
> Well, the first thing to try would be upstream HEAD to verify whether
> problem is still present there.

Sorry, just realized my previous reply didn’t get posted.

The GRUB build I’m using is compiled straight from the current git repository. 
It might be a week or two old, but unless something really changed in the last 
two to three weeks I don’t think it’ll differ.

I can try an older release of GRUB, like the latest stable and see if that does 
anything though.

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