From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2A68BEB64DC for ; Tue, 11 Jul 2023 11:24:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231736AbjGKLYf (ORCPT ); Tue, 11 Jul 2023 07:24:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50420 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231127AbjGKLYe (ORCPT ); Tue, 11 Jul 2023 07:24:34 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D088611D for ; Tue, 11 Jul 2023 04:24:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=2z8gHnnfWXVnbaPbAKfNL95zyeeEa49QugKWjZPnsQA=; b=EeVTW+HLkRQAXr1iKYCBdZb6ma Gav/yYrWTRd5IQ9xeX5f9qreJ6pF33YZQFwNWi1/V+D642ZHtG/CruMj3a73Eq3VSy8xrkBh5drDX EuuT/NayTQcYd6/wD6zt9Z/nMKjPczEvON4vTo2ZVdZcwJ/wO2dadajHa5RA4gr6RTJ4oOqu5PRlR YjuJ+QDmFBv8TqOTFf/Ec4hUh3WED7K8dpFg1V72qy32YZ4I8+H2uO56KhSY8d0Qa0Z66wN31eAJE S8g/y6/+YBs+smR+mOrTJ0jGU3QCdRWJssKjCCirM1G/wvHpshAN0a0dROAc1q3gdCoL3/yLfziut uI/YJhmg==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1qJBTi-00FfOy-OT; Tue, 11 Jul 2023 11:24:22 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id E93D030014A; Tue, 11 Jul 2023 13:24:21 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id A10A3240EBDB3; Tue, 11 Jul 2023 13:24:21 +0200 (CEST) Date: Tue, 11 Jul 2023 13:24:21 +0200 From: Peter Zijlstra To: Bruno Goncalves Cc: arjan@linux.intel.com, rafael.j.wysocki@intel.com, x86@kernel.org, LKML Subject: Re: [6.5.0-rc1] unchecked MSR access error: RDMSR from 0xe2 at rIP: 0xffffffff87090227 (native_read_msr+0x7/0x40) (intel_idle_init_cstates_icpu) Message-ID: <20230711112421.GI3062772@hirez.programming.kicks-ass.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 11, 2023 at 11:11:44AM +0200, Bruno Goncalves wrote: > Hello Arjan and Rafael, > > I'm not sure if you are the right person to contact about this, but > we've noticed the following call trace when booting on KVM machines > using kernel 6.5.0-rc1: > > [ 1.089740] io scheduler kyber registered > [ 1.091080] io scheduler bfq registered > [ 1.094696] atomic64_test: passed for x86-64 platform with CX8 and with SSE > [ 1.097371] shpchp: Standard Hot Plug PCI Controller Driver version: 0.4 > [ 1.099559] unchecked MSR access error: RDMSR from 0xe2 at rIP: > 0xffffffffa60912d7 (native_read_msr+0x7/0x40) > [ 1.102725] Call Trace: > [ 1.103547] > [ 1.104236] ? ex_handler_msr+0x121/0x130 > [ 1.105545] ? fixup_exception+0x234/0x310 > [ 1.106858] ? gp_try_fixup_and_notify+0x1d/0xb0 > [ 1.108342] ? exc_general_protection+0x147/0x420 > [ 1.109838] ? pcpu_block_refresh_hint+0x87/0xb0 > [ 1.111309] ? asm_exc_general_protection+0x26/0x30 > [ 1.112866] ? native_read_msr+0x7/0x40 > [ 1.114099] intel_idle_init_cstates_icpu.constprop.0+0x762/0x7f0 > [ 1.116063] intel_idle_init+0x31b/0x4c0 > [ 1.117315] ? __pfx_intel_idle_init+0x10/0x10 > [ 1.118734] do_one_initcall+0x5a/0x320 > [ 1.119981] kernel_init_freeable+0x31b/0x470 > [ 1.121373] ? __pfx_kernel_init+0x10/0x10 > [ 1.122681] kernel_init+0x1a/0x1c0 > [ 1.123796] ret_from_fork+0x29/0x50 > [ 1.124963] > [ 1.126012] input: Power Button as > /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 > [ 1.128477] ACPI: button: Power Button [PWRF] > [ 1.163767] ACPI: \_SB_.LNKB: Enabled at IRQ 10 > [ 1.193831] ACPI: \_SB_.LNKC: Enabled at IRQ 11 You forgot to say on what host hardware, what qemu options and you forgot to run the above through scripts/decode_stacktrace.sh.