From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout-p-102.mailbox.org (mout-p-102.mailbox.org [80.241.56.152]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 772C240DFDB for ; Sun, 19 Apr 2026 20:08:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.241.56.152 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776629289; cv=none; b=BPmWjlTCa7gknm/Ch1VJpjlvzSnpp2szQnPHm5KpKn7ci6hk+6mJBaWu+b9Hxok/tHfL9rwxyWe4+qf6Ue0Q5Y7Eijibof7iHdDtYqBClsmmQpbJs7FKr4AMG7kJaPBwklP6jKn6oEAyAbQ8wYunotUvb+dWRhAudUqoO7EdmOs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776629289; c=relaxed/simple; bh=ORbiGxp3Rwt2U2Wb6EGd/wWCuf4SKeN2m8Xudj2WWLM=; h=Message-ID:Date:MIME-Version:Subject:From:To:References: In-Reply-To:Content-Type; b=Y9ZHHQj4k54ewTLJOTDpqtV7jrkvuTKWjNDQJzSkHCC/+2eCuzx9aOs31TXq/pWDRlwu/WSPdWIy57R+n6FHz4TmB8zj4XaUQ5eCbEDJtQHPB5JhYovRa2XQGixePmYEPVo93Y5h2XyG/hc4AEbgfdYIorMy8fFPSvw3TnU9Q1s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org; spf=pass smtp.mailfrom=mailbox.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b=paTz4Svi; arc=none smtp.client-ip=80.241.56.152 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mailbox.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b="paTz4Svi" Received: from smtp202.mailbox.org (smtp202.mailbox.org [IPv6:2001:67c:2050:b231:465::202]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-102.mailbox.org (Postfix) with ESMTPS id 4fzKRn54cGz9vCT; Sun, 19 Apr 2026 22:08:05 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1776629285; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=Flc16h0M+5vlCr/JcwggZ/ugVh5AFyz/YGdyeiQpbAA=; b=paTz4SvipYL9MMODqMjDUaUjN0BLjBiyju9BRWq0aWc27dMR8ihaWG1Ljo7eaW5SEgceD8 SngUVKD2gwyt5DVrFLVB8tgerRnY8Cf5GYKrwvrmNvNAp2pTdZ8nVrGGmuBFjoDdvXdTwy 4aJ6pLeyxjnJxHFtW4XUH1WV6R+DGDftWhzK12saeXm+82x3pNNahatVhVG60wZ1FVsxky f6vuJrk4Ig4bE/p2EBxZ7DylKMSEiAuEbQpN7H4GCIF4pkWVrCk5dyp35o3obQClGfMGaA +uOEM5F/lRpxXbyvx178hoK4kCfw3Hp1n90DN1JhOA3Kp0xfOCV/wDLDLtR5gw== Message-ID: <7a0c8eec-2e97-4eaf-a8aa-f7e97da93908@mailbox.org> Date: Sun, 19 Apr 2026 22:08:01 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [Regression in 7.0] OLPC-XO-1.5 will not boot after commit 157266edcc Content-Language: en-US From: An To: Ingo Molnar , "linux-kernel@vger.kernel.org" References: Autocrypt: addr=an.m@mailbox.org; keydata= xjMEZ2CKehYJKwYBBAHaRw8BAQdAvfR1JEq0mSlLCQwcOeAl2HJry38Kw1GHol8sPFDi+efN FUFuIDxhbi5tQG1haWxib3gub3JnPsKJBBMWCAAxFiEErzG7VMqA+0YshaGzid5SicaPpuwF AmdginoCGwMECwkIBwUVCAkKCwUWAgMBAAAKCRCJ3lKJxo+m7EsHAPwISvlSbB1SLXRiA66A zlxg6R50geZ6Ifs7qRoSg72AgwEAkF4CtBdvoyzRrYF6neV9upoNmEdR7bjFpM5SomBKKg/O OARnYIp6EgorBgEEAZdVAQUBAQdAeD/lXk9E/+te8aCd+lw9CS+MTJ+GWVX51H6+cG3LhTsD AQgHwngEGBYIACAWIQSvMbtUyoD7RiyFobOJ3lKJxo+m7AUCZ2CKegIbDAAKCRCJ3lKJxo+m 7Oh1AP9qHFwpB/ZnofK5G8kcqk8KlmZy7A6iwqsUk7/bNZyp3AEA9kPdrLFPq8S7xvY0m+Ss Rm7xGx4z96H9icfVBBWOaA0= In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-MBO-RS-META: 77sxydheaaffncmu17ddgqood7put9tz X-MBO-RS-ID: c7dcfc2379e659d44f4 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 > 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