Re: 3.12 to 3.13 boot regression bisected - still applies to 3.16
From: Matt Fleming
Date: Tue Aug 05 2014 - 11:07:52 EST
On Tue, 05 Aug, at 04:21:07PM, Bruno Prémont wrote:
>
> Thanks, enabling CONFIG_RELOCATABLE allows kernel to successfully boot!
>
> So you can add my tested-by to the patch.
Great, thanks for testing! I've tagged the patch for stable and I'll get
it sent to tip quickly.
> If of interest, memory layout information as reported by 3.16 with
> CONFIG_RELOCATABLE enabled:
[...]
> [ 0.000000] efi: mem06: type=2, attr=0xf, range=[0x0000000001000000-0x0000000001100000) (1MB)
Bingo, this is likely to be the reason for the resets.
Overwriting EFI_LOADER_DATA regions (well, any region other than
EFI_CONVENTIONAL_MEMORY) is gonna cause some issues.
--
Matt Fleming, Intel Open Source Technology Center
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