From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 5FCF9182B5 for ; Tue, 14 May 2024 08:25:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715675110; cv=none; b=eJp9j468Ud7jnSnKug6xn3BIH79D2mzPdeL1DSsenK1q7cAIKUmTHPLjbezkfZJFb5ssKtQFaDBoUFyAugOZ4+lVIyOIEIAyxm87Kp58ecydq5yF66H1/c1eM6NdXjZvf43672kYsrjoAHup6MO6rY4is4E2IotsooGFbIY8W+c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715675110; c=relaxed/simple; bh=E1jl8ZjAyUFlpawQFcuvFX7RI2JhugpIXhQkNMW7VGY=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=pKbJOldKiJqgxmStrufjhfdXfVjz8t7O5GwvPiAiTQBIKIvj5nNklnR1gvwIB44e1N6QD76gh+ueAacT7UlvlQpk8Gvbtspqito94yu4SrKEIZTTLyOiEgsWRa6t1LwBBj2TvlYfT4JoYQ35pkK++e8NE+ZLbNQ+qXCX3AeAan4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=ZpO5p/Ei; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=I/3Db3S8; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="ZpO5p/Ei"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="I/3Db3S8" From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1715675101; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Rya9VEOvXpJSVd+MOeMBD/eFCeJ8PzLNGegzNQCqGfg=; b=ZpO5p/EiAzz3rLhJ2lV+LlIt412WOp8MZJC72zUBUsK3PJ/t1M3LlAovqh2X3hBrJtz4BE gnIV/MV5uy0nPm+cdknW0IBEkfq97oy+Uof5x/IB5himmUyaYE5bMftqSYzXwX+LsaftAy Sayq7VixBOX9LbPLFaMmJ6+IdN+I35WPAlZIgkbhCPEC/xXd8i1EAaZI4Dce9avHjroIlJ h5VrhYRvw/mhYmlpe37XGsWNpBTP3JL4SaQ7Z9DK3kilxv+/j3WKG7cl6sHyCjO5r75OtE hj1PM7z8ozE3qN870DQ6yz9KfCNo/ZNu+laqXdA7jOmNmND0CivHDTLaiH1/Og== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1715675101; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Rya9VEOvXpJSVd+MOeMBD/eFCeJ8PzLNGegzNQCqGfg=; b=I/3Db3S8nfD54rKc6DNf8xY5f6sjY5bu7j8MBrYa+hE3qNoBpEBJ0pxgf87pe1KlAMM2/K GcOvMnWOAB5aWEDg== To: Lyude Paul , "Linux regression tracking (Thorsten Leemhuis)" Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Mario Limonciello , Borislav Petkov , Linux kernel regressions list Subject: Re: Early boot regression from f0551af0213 ("x86/topology: Ignore non-present APIC IDs in a present package") In-Reply-To: <97bd95480a8b9951edc9ee2d2648d1b9c574e3b0.camel@redhat.com> References: <3d77cb89857ee43a9c31249f4eab7196013bc4b4.camel@redhat.com> <20240418082703.GCZiDZVyra7qOQbyqn@fat_crate.local> <87plumxz4x.ffs@tglx> <87le59vw1y.ffs@tglx> <3a0afe545747e5314a9cb6bbaa9ce90b259ddfac.camel@redhat.com> <87edautcmz.ffs@tglx> <3b1d16e357c1f9badeef405366492f05af26c085.camel@redhat.com> <878r11t8zu.ffs@tglx> <016902d9-3858-4c65-b3ec-f7a5103af63c@amd.com> <51d0dff8-2888-463c-95ab-71b491f12a8f@leemhuis.info> <877cg4ppd5.ffs@tglx> <87jzjxn6s5.ffs@tglx> <97bd95480a8b9951edc9ee2d2648d1b9c574e3b0.camel@redhat.com> Date: Tue, 14 May 2024 10:25:01 +0200 Message-ID: <87bk58n6le.ffs@tglx> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Lyude! On Mon, May 13 2024 at 19:32, Lyude Paul wrote: > Oh! I am not sure what changed, but I realized that you might also want to see > the serial output from the debugging patch that you had sent me a while ago. > So I just built that against the 6.9 kernel and it actually seems to boot > without needing me to pass intremap=off. So it seems like that might actually > be a fix! Which one of the debug patches did you use? >> Yes - it still boots. As well I finally got the serial console adapter in, but >> I don't see any additional output: That's fine, but now I can provide you debug patches which dump information during early boot. Can you please provide the output of 'cpuid -r' ? Thanks, tglx