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From: Ingo Molnar <mingo@kernel.org>
To: Thorsten Leemhuis <regressions@leemhuis.info>
Cc: An <an.m@mailbox.org>, Thomas Gleixner <tglx@kernel.org>,
	Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Linux kernel regressions list <regressions@lists.linux.dev>,
	the arch/x86 maintainers <x86@kernel.org>,
	David Gow <david@davidgow.net>
Subject: Re: [Regression in 7.0] OLPC-XO-1.5 will not boot after commit 157266edcc
Date: Thu, 7 May 2026 10:30:50 +0200	[thread overview]
Message-ID: <afxNuhoyMsl26tIy@gmail.com> (raw)
In-Reply-To: <00b05188-c352-42b9-888a-01e9bf00fb34@leemhuis.info>


* Thorsten Leemhuis <regressions@leemhuis.info> wrote:

> Lo! Looks like nothing happened since the report (please correct me if
> I'm wrong, it's easy to miss something). Adding a few more people and
> lists to the recipients of this reply, maybe that will things rolling.
>
> FWIW, the culprit seems to be 157266edcc5671 ("x86/boot/e820: Simplify
> append_e820_table() and remove restriction on single-entry tables")
> [v7.0-rc1] from Ingo.

Yeah, I missed the empty table case. :-/

> Therefore adding David Gow, who submitted a fix for the culprit -- but
> that didn't make it anywhere afaics, unless I'm missing something. For
> details see:
> https://lore.kernel.org/all/20260416065746.1896647-1-david@davidgow.net/

This fix is now queued up and should go upstream later this week:

  5772f6535227 ("x86/boot/e820: Re-enable BIOS fallback if e820 table is empty")

Thanks,

	Ingo

      parent reply	other threads:[~2026-05-07  8:30 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <f8566380-6a40-435a-bf8c-6c0e0999d434@mailbox.org>
     [not found] ` <7a0c8eec-2e97-4eaf-a8aa-f7e97da93908@mailbox.org>
2026-05-06  8:07   ` [Regression in 7.0] OLPC-XO-1.5 will not boot after commit 157266edcc Thorsten Leemhuis
2026-05-07  0:14     ` An
2026-05-07  8:30     ` Ingo Molnar [this message]

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