Bug#605567: grub-pc: does not boot with "unaligned pointer 0x...." when insmod-ing part_{msdos, gpt}

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 12/01/2010 11:33 AM, Michael Prokop wrote:
> Package: grub-pc
> Version: 1.98+20100804-8
> Severity: normal
>
>
> We (the Grml team) are building hybrid ISOs using grub2.
> As soon as we use 'insmod part_msdos' in our grub.cfg booting fails
> on several systems with "unaligned pointer 0x...." errors.
>
> "Broken" configuration template:
>
>   http://git.grml.org/?p=grml-live.git;a=blob;f=templates/boot/grub/grub.cfg;h=0f4d683cdcd89500086f835321be70b78443ee75;hb=987dd5d84c04ae6242ff9ee1da71cffcff92e0bb
>
> This template works for us:
>
>   http://git.grml.org/?p=grml-live.git;a=blob;f=templates/boot/grub/grub.cfg;h=da9c6b4066c1f3c1c9b4904f8fbd7d339503e2d9;hb=09667d4a67057707f959e2b667ad4d7da36fd2b3
>
>   
Could you supply the .iso which demonstrates the problem?
> (Notice that 'insmod part_gpt' was present as well though this
> doesn't cause the problem on *my* system, I assume because there's
> no gpt partition table in my test systems available.)
>
> The issue can be reproduced with either real™ hardware or using
> qemu/kvm via restricting memory to ~64MB (using '-m 64') but won't
> be present if using something like 512MB memory in the virtual
> machine.
>
> We verified this issue with different versions of Grub, if you need
> any further information please let me know.
>
> regards,
> -mika-
>
>
>
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> Pkg-grub-devel at lists.alioth.debian.org
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-- 
Regards
Vladimir 'φ-coder/phcoder' Serbinenko


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