Re: [Regression in 7.0] OLPC-XO-1.5 will not boot after commit 157266edcc

[An <an.m@mailbox.org>]

On 19/04/2026 10.46, An wrote:
> [please keep me in CC, I'm not subscribed]
> 
> Hi Ingo,
> 
> my OLPC XO-1.5 stopped booting when switching from 6.19 to 7.0
> 
> I bisected this to
> 
> commit 157266edcc56715323de1bd60e49194b3b66a174
> Author: Ingo Molnar <mingo@kernel.org>
> Date:   Thu May 15 14:05:41 2025 +0200
> 
>      x86/boot/e820: Simplify append_e820_table() and remove restriction 
> on single-entry tables
> 
> The XO boots from a forth environment and is rather quirky.
> If I can help with any logs or tests, please let me know.
> 
> I'm compiling a 7.0 kernel with the patch reverted,
> but it smells like a plain revert isn't the best idea.
> 
> Thank you,
> An Müller
> 

I've tested both 7.0 and current mainline: with this patch reverted,
they boot fine, the revert applies cleanly in both cases.

Thanks,
An