From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx.treblig.org (mx.treblig.org [46.235.229.95]) (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 C035D1F428A; Fri, 18 Oct 2024 16:46:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.229.95 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729269975; cv=none; b=NmUXkF5bVQNz7MUlp4ngFzoq9J8NI2krCmzDJWUr59t09v5bBhdX0KSuoTEDegsR8+Je8LF2CzaVnazsjHuMqbirMKODAyqVUHynEZWWs7oPbO1/bAGYjEN99W+TotjrDJgpux8aBIzilxmN2jyHGLCnG4eAd7HtF4qahmz3H2U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729269975; c=relaxed/simple; bh=4j833Pj4D1ScOMps8+fOJNPmo/wCdYzKXojFxr8VU50=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=EUQ/aefEl85NL1DllZyeYPY47rig5ibYa3RgZZRiER9D1yTMEGRen4dPZV4aM3cn+9LXdf+yQjGBvY/UBs9M5b6BH/6sBli7RmosXef/PRofaXUXHT9ocrqkE2wuq+ftlIvuCwDMrxCVhMXbLGUif/BZdn4OyR44UKtuTLHnMkk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=treblig.org; spf=pass smtp.mailfrom=treblig.org; dkim=pass (2048-bit key) header.d=treblig.org header.i=@treblig.org header.b=iogCz2dO; arc=none smtp.client-ip=46.235.229.95 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=treblig.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=treblig.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=treblig.org header.i=@treblig.org header.b="iogCz2dO" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=treblig.org ; s=bytemarkmx; h=Content-Type:MIME-Version:Message-ID:Subject:From:Date:From :Subject; bh=os1PAytjU5z3dlnt3qo2d/sSpocPp2Y2Zy0gohogL/k=; b=iogCz2dOTMQuPK9s JA0zxSrCRlgFRF8DqptUUCkFuyIyvwop4WubsIGhMWLbaB7BmD2Aq3Yt3SlM/Vhbn2x7LFf8qhAnM NBvp90dCW2s5y1qCqLlaaXPMF+3ff80AHa2k0XKMli1zA54y6IugAcnK2WMliaJf9JbYlg05QRUfi rkE2sRTMicRRViHvx4d3ya7mX02qzaK539WebTwZBUKasqL64iDhyYw9czxo4nkkBIJ6A0bdeAQbO 7LnBCfwFUKkl0apJnDaZl7T5IHRfs03sGKJ39YzC5M0Vt0Uddz3JYsWGW9shgkBEi88Rv43GKgARG SSS/gLtV7OqDI+gujg==; Received: from dg by mx.treblig.org with local (Exim 4.96) (envelope-from ) id 1t1q6l-00CAvU-15; Fri, 18 Oct 2024 16:45:47 +0000 Date: Fri, 18 Oct 2024 16:45:47 +0000 From: "Dr. David Alan Gilbert" To: Borislav Petkov Cc: Jens Axboe , Thomas Gleixner , the arch/x86 maintainers , LKML , "regressions@lists.linux.dev" Subject: Re: AMD zen microcode updates breaks boot Message-ID: References: <20241017100257.GAZxDg0VqDAesee00m@fat_crate.local> <3400cf0b-85ca-4ec2-a8a0-c9d75889d573@kernel.dk> <20241017141314.GDZxEbenNT6XF4jIaA@fat_crate.local> <4d4bf52a-dd91-48ad-8949-198b2ffbc9da@kernel.dk> <20241017142707.GEZxEeu3YHvnEMmd32@fat_crate.local> <20241018115857.GBZxJNgZY-NedtPrxX@fat_crate.local> <20241018124943.GDZxJZZxtwA9O9eqiU@fat_crate.local> <79296353-1fa3-458a-b055-88bc6a772180@kernel.dk> <20241018155143.GIZxKED9YcF0Jg1CWZ@fat_crate.local> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <20241018155143.GIZxKED9YcF0Jg1CWZ@fat_crate.local> X-Chocolate: 70 percent or better cocoa solids preferably X-Operating-System: Linux/6.1.0-21-amd64 (x86_64) X-Uptime: 16:45:23 up 163 days, 3:59, 1 user, load average: 0.03, 0.01, 0.00 User-Agent: Mutt/2.2.12 (2023-09-09) * Borislav Petkov (bp@alien8.de) wrote: > On Fri, Oct 18, 2024 at 07:30:15AM -0600, Jens Axboe wrote: > > At least on mine, the BIOS has an option that says something like "L3 > > cache as numa domain", which is on and why there's 32 nodes on that box. > > It's pretty handy for testing since there's a crap ton of CPUs, as it > > makes affinity handling easier. > > Right, so two boxes I tested with this: > > * 2 socket, a bit different microcode: > > [ 22.947525] smp: Brought up 32 nodes, 512 CPUs > > * your CPU, one socket: > > [ 26.830137] smp: Brought up 16 nodes, 255 CPUs (Probably unrelated but...) What happened to number 256 ? Dave > [ 37.770789] microcode: Current revision: 0x0aa00215 > [ 37.776231] microcode: Updated early from: 0x0aa00215 > > and both boot with my debugging patch just fine. > > Hmm. > > -- > Regards/Gruss, > Boris. > > https://people.kernel.org/tglx/notes-about-netiquette > -- -----Open up your eyes, open up your mind, open up your code ------- / Dr. David Alan Gilbert | Running GNU/Linux | Happy \ \ dave @ treblig.org | | In Hex / \ _________________________|_____ http://www.treblig.org |_______/