From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.alien8.de (mail.alien8.de [65.109.113.108]) (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 385567F8 for ; Fri, 26 Jul 2024 10:57:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=65.109.113.108 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721991470; cv=none; b=H29HZ+l8ZodHYyDf0DtMSDZbBc1wIECPwyxdBKYSY3EKTmy9KJXr2syyDfkVKNT6Xmfzfqx70/qsHD0SSTrZDE5IBBZVRAexW1LpJufl9BV0dKh/OybFGmJYU864sM20N6s8jYulmbc2s2gq5YEqL277AARG7z2KEKQbAYlG31w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721991470; c=relaxed/simple; bh=Ozb2LLBSd/XacVK8N7wriP6v0/q6N4DABGShkWSQG04=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=h5im75y2Hm4U+QKFfW6cL8/z2hDHLVWcm6WYldypP0fiwM5dOP1Zvau9BEx9KzzOz5feLVSvYgSMOUPGaYzfimeiXV0RBeKAc5rG/MRo7P+NQ3lfxAjJLp2+5sTAOjjGko+bSvpkEW4g6pbiQ2OrX0xQ3YgsopyEmHP1I3+vlhQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de; spf=pass smtp.mailfrom=alien8.de; dkim=pass (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b=dLy9QSkd; arc=none smtp.client-ip=65.109.113.108 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=alien8.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b="dLy9QSkd" Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id 721F340E026A; Fri, 26 Jul 2024 10:57:37 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at mail.alien8.de Received: from mail.alien8.de ([127.0.0.1]) by localhost (mail.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id g9gKR9EN7_kO; Fri, 26 Jul 2024 10:57:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1721991454; bh=WqObjvSb0lB82imxVxCBk+bvZ78/tVzpB1GCr9aCPe8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dLy9QSkdrySyZyMDbJKVCao7R4TybB178RCUwWgM/YOQtUak0AEz4BsrTGPinJ132 W0xD0uzQ7xuC9fIOO8bHSRHUDugayPsWG1JM0jbLtV/EA6FFssRbic0X8m3dwxn6Ex 0p095OzqFkCWy5u2dsym3Y8m9rVZV0iDU6oDQXWCxQ2qCVJpMu4wtsBwD8TB7IGUQ/ +Z8FM8haESxRcOPIN+qKjl72p5sFwLekF+FU4VBVGojNfKk1ykJhtSExwoeYoM7Qgy sRFpLhutmP89e6I/Pglw4IGHOypvItTnzsFN73Vs0JYgL5sYwXxsSwZtMvj3w8pkCf FUi7Lki/wzhD8IZVtmngg+vX/cFPUdUtkLslkd/6q3Dryms4P+eTXdPBW1QPWb6q00 /fQZkjFm9tCe72Atf2rBssKaF2JRwrvGdRbGS5//JQnOAvQxSAHwI35+Pt9M1VsESF M0o9AUMBg6b4VMMTog/NG/eRqY8Av2Q12r+QdqX+A8mEaemUMn97rxSKhdVBuOv78v rScMogChqtEXRTk+fZwzzF4E1BNCuyZOcbaREIYzgNF6EaqN4g6NhQql0bbGg2eo86 Ol/z2RwSxDt1phl/uSen7a7DeJkx0lGxHa8zKThtjgxa+kcb3m4R/1JD7aZgVJJTIa gO2A1xQcI2jhJ/sJ/de/7HFM= Received: from zn.tnic (p5de8ee85.dip0.t-ipconnect.de [93.232.238.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 11CAA40E01B3; Fri, 26 Jul 2024 10:57:28 +0000 (UTC) Date: Fri, 26 Jul 2024 12:57:21 +0200 From: Borislav Petkov To: Christian Heusel Cc: Thomas Gleixner , regressions@lists.linux.dev, x86@kernel.org, rob@durendal.co.uk, Joerg Roedel Subject: Re: [REGRESSION][BISECTED] Early boot hangs since f0551af02130 Message-ID: <20240726105657.GAZqOA-Y32Kc9O2cqE@fat_crate.local> References: <361b2ba5-7fc3-4e9a-af63-adfd4bc20304@heusel.eu> <20240723120246.GBZp-b5nHHT0BWmKMZ@fat_crate.local> <5e08cab0-c6b5-4169-8d42-ddb0ffb4a6c9@heusel.eu> <20240725105029.GAZqIt9aLsIaG7JqN5@fat_crate.local> <12df8b45-6100-4c8b-b82a-a6a75bed2e05@heusel.eu> <87a5i4whoz.ffs@tglx> Precedence: bulk X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <87a5i4whoz.ffs@tglx> On Fri, Jul 26, 2024 at 12:50:20PM +0200, Thomas Gleixner wrote: ... > Another data point to be evaluated is whether booting the unmodified > 6.10+ kernel with 'nointremap' instead of 'iommu=off' on the command > line makes the machine boot as well. ... one other thing to try, if possible: can you connect that machine over serial to another one and then catch dmesg with the failing kernel so that we can see what the failure actually is? Might give us a better idea. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette