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 5E6B014F6C; Sat, 1 Jun 2024 07:20:59 +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=1717226460; cv=none; b=n6D8vQRy2g+4MG+7LWu0rMqqKZByXVdkpPmvvbtWtW1QUB0HXCLQ9fOEpiyv1mW3s0snyNZXfetSlc4twVo1v7YqEwrndCVdmLiMBh0EkN1MUzbGDTeY8mjCuVkDohCUHRpR77tqzVgRBa4Ki/VrRJaDN92d2BD9o2fL5pyd7to= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717226460; c=relaxed/simple; bh=nIJVZnemYSJymQwAgR9I3u8898f3WuAb/FTpYjyJLMU=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=icMYx9N/9pphSzWyQGtQoOdK5Iswcj0CY8xB/mXKFoeJEIkQUHYQTC/AOZ9I6+gDMTPGB7YrPYnGwTDWJlmiugy/t0k2xD08OKyPGTsn8nxZ/3SVnCL0LwAZCmxPTjICFNh3lOEO4Yx4Ikwo7r/LMk0SHDApIkaW6mE3FDcc7aE= 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=G34B6l6p; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=9q/Ql5bb; 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="G34B6l6p"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="9q/Ql5bb" From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1717226457; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=LADDSgHl7x8uNhsWeAQXUeTw3+xJnL0w1xNgSzy+2QQ=; b=G34B6l6pxsUKoDTWInyt5t5AhuabXEewoZ/zNLT5cgXV984skmYcJHUTmZwnOg20WQpBjE CxVXGH/Gf3EvbcLp4dRYQTebEc/vwcpaZI3sgrUoVutN9B0xXCNAsczByNwR0maiKucF2c F4X9PvbGy7NDACM9O7JjAGszSU+jXauYcqxRG+WfBrM7FtSdennXWDMJYIf39qFxPdf1W+ vSNGYu6eICyCVpwv3T6PiAJ5gH1xnGy+mF6UbNsLtCUiBDNQpmfEXpCX+7ohokePG6xR1U 0UxPe1xzUPCHYb9AQOc2A3o96mbe2KaLv9dmK/KEFCc97oOX2robDQ+8neEUpA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1717226457; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=LADDSgHl7x8uNhsWeAQXUeTw3+xJnL0w1xNgSzy+2QQ=; b=9q/Ql5bbrkE/MyJdO0dqyaNiAuU3ue7oi2JykvNMTPGmnz5ARK7U24XFeICRpP+lS3Wh1D Gg38BzL5B/ABgtDA== To: "Linux regression tracking (Thorsten Leemhuis)" , Peter Schneider Cc: LKML , x86@kernel.org, stable@vger.kernel.org, regressions@lists.linux.dev Subject: Re: Kernel 6.9 regression: X86: Bogus messages from topology detection In-Reply-To: <1e26effd-a142-44f5-9a72-90a823666d7c@leemhuis.info> References: <877cffcs7h.ffs@tglx> <16cd76b1-a512-4a7b-a304-5e4e31af3c8a@googlemail.com> <87zfs78zxq.ffs@tglx> <76b1e0b9-26ae-4915-920d-9093f057796b@googlemail.com> <87r0dj8ls4.ffs@tglx> <87o78n8fe2.ffs@tglx> <87le3r8dyw.ffs@tglx> <87ikyu8jp4.ffs@tglx> <87frty8j9p.ffs@tglx> <1e26effd-a142-44f5-9a72-90a823666d7c@leemhuis.info> Date: Sat, 01 Jun 2024 09:20:56 +0200 Message-ID: <87mso56sdj.ffs@tglx> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On Sat, Jun 01 2024 at 09:06, Linux regression tracking (Thorsten Leemhuis)= wrote: > On 31.05.24 10:42, Thomas Gleixner wrote: >> On Fri, May 31 2024 at 10:33, Thomas Gleixner wrote: > >> --- >> Subject: x86/topology/intel: Unlock CPUID before evaluating anything >> From: Thomas Gleixner >> Date: Thu, 30 May 2024 17:29:18 +0200 >>=20 >> Intel CPUs have a MSR bit to limit CPUID enumeration to leaf two. If this >> bit is set by the BIOS then CPUID evaluation including topology enumerat= ion >> does not work correctly as the evaluation code does not try to analyze a= ny >> leaf greater than two. >> [...] > > TWIMC, I noticed a bug report with a "12 =C3=97 12th Gen Intel=C2=AE Core= =E2=84=A2 > i7-1255U" where the reporter also noticed a lot of messages like these: > > archlinux kernel: [Firmware Bug]: CPU4: Topology domain 1 shift 7 !=3D 6 > archlinux kernel: [Firmware Bug]: CPU4: Topology domain 2 shift 7 !=3D 6 > archlinux kernel: [Firmware Bug]: CPU4: Topology domain 3 shift 7 !=3D 6 > > Asked the reporter to test this patch. For details see: > https://bugzilla.kernel.org/show_bug.cgi?id=3D218879 Won't help. See: https://lore.kernel.org/all/87plt26m2b.ffs@tglx/ Thanks, tglx