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a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1717153632; 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=FD0fGIRiutsDCzqA9Wo0A4UkGRJFH8vm9F7UrtzuEDQ=; b=W/XEjAfRDrDL/9o3/dStC9ktRMG1+Zp1J8nqufGvrnn/3GqqM3DbSwxSmW7b9KAqi+ihxY jiji14vA0nYwaeGOZR642YylvcczGxzuxSiQFXfeDD4leatfvkh6i+o4JqRBri/rnBoNNC TnaI4Llv0bMFLGHvC54PPcQoC140j7VE/7i/jzRTBhrOD4K3tFnunPQMWhWxMBmfsh8Zcd qRC26tb6/1YwN5PDSSaXherqT6PW1c9INK1dJw0byW7Z+D1Pm1ylqIDqqP19c3262OKV7o kpE6htXDLuC5/kSUEVVqUWdtUYcEEnN6WIq/9eRc/bbTXIbFXELZM22Q7mTfcA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1717153632; 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=FD0fGIRiutsDCzqA9Wo0A4UkGRJFH8vm9F7UrtzuEDQ=; b=hKsOzkUrC3wOQHxuCr3fJAcwdxVwHVXS/T3VKo0fb6TpheOdVxRdQayDghPW/v2e6SGZgV ohGPgsx3X9ktiKCQ== To: Christian Heusel Cc: Peter Schneider , 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: <20ec1c1a-b804-408f-b279-853579bffc24@heusel.eu> 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> <4171899b-78cb-4fe2-a0b6-e06844554ed5@heusel.eu> <20ec1c1a-b804-408f-b279-853579bffc24@heusel.eu> Date: Fri, 31 May 2024 13:06:50 +0200 Message-ID: <87wmna6y0l.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 On Fri, May 31 2024 at 10:16, Christian Heusel wrote: > On 24/05/31 10:13AM, Christian Heusel wrote: > [ 0.046127] TSC deadline timer available > [ 0.046129] CPU topo: Max. logical packages: 1 > [ 0.046129] CPU topo: Max. logical dies: 1 > [ 0.046129] CPU topo: Max. dies per package: 1 > [ 0.046131] CPU topo: Max. threads per core: 2 > [ 0.046132] CPU topo: Num. cores per package: 10 > [ 0.046132] CPU topo: Num. threads per package: 12 > [ 0.046132] CPU topo: Allowing 12 present CPUs plus 0 hotplug CPUs This looks correct. > [ 0.117308] smpboot: x86: Booting SMP configuration: > [ 0.117308] .... node #0, CPUs: #2 #4 #5 #6 #7 #8 #9 #10 #11 > [ 0.009676] [Firmware Bug]: CPU4: Topology domain 1 shift 7 != 6 So this means that the E-Cores have a different topology information for the CORE shift value than the P-Cores which is definitely wrong. Let's see what cpuid -r reports. Thanks, tglx