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Date:	Thu, 3 Apr 2014 22:03:42 +0100
From:	Matt Fleming <>
To:	Daniel McLellan <>
Subject: Re: eboot.c regression allows boot, from v3.7 on- no boot with UEFI,
 only legacy, bisect results

(Adding linux-efi and correct Matthew's address)

On Fri, 28 Mar, at 04:08:36PM, Daniel McLellan wrote:
> System: Hewlett-Packard product: HP EliteBook 2570p
> CPU~Dual core Intel Core i7-3520M CPU (-HT-MCP-)
> Kernel: 3.12.4-2-hplove x86_64 (64 bit) Desktop: Enlightenment
> Distro: Arch Linux
> I believe this issue is common to only a few iterations of ivy bridge
> I had been patching eboot.c to v3.7 with the attached
> efi_hp_boot.patch, but due to the recent changes in eboot.c (in v3.13)
> I decided to bisect, and identified the following:
> # first bad commit: [dd5fc854de5fd37adfcef8a366cd21a55aa01d3d] EFI:
> Stash ROMs if they're not in the PCI BAR
> My next step is diffing the eboot.c from v3.13.
> or would a better path be to check for ivy bridge?

Daniel, could you try booting a recent kernel, without your patch
applied and with the earlyprintk=efi,keep kernel parameter.

Meanwhile I'm going to try and reproduce this error.

Matt Fleming, Intel Open Source Technology Center
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