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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1A772C433EF for ; Sun, 17 Apr 2022 21:31:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=vAFo8s0jZMC3Osvs2uK6iqKN3YzQIx2ETZDpSQArL6U=; b=HapwrBMSLbDyEZ /qWQB7wQtMoNfy/Is9Uwuj057EUllyVkC8ZVEm+WWNRbCFyEDMuE1kkGdWs310v4e0G8x1OHhe3g4 RrNO+BN/yamk73mTMRNtNYZOwooTmXcEiOcuB2Rv34i4jcgTxJeQxVvsX6zAc1aJZCioVEGIO+jJN cB+c28RUvt/k2ifS0lziyMNGH6cBLmSmz02GeWi5quyFMjhW+dKpFG2cJd6qB2g0SAIVJ6TX26R0W 4Fz9pwxX5+uFz79UnSGdyELEMmFkKhmvG1n1lAc6T533VUXINhE08Dy95XAu8vLmu1gmiyNThkFth GbF9e/LeirLy5KGFT+qA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ngCTL-00EzXB-Bu; Sun, 17 Apr 2022 21:30:19 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:5054:ff:fe00:142]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ngCTH-00EzPJ-2Z for linux-arm-kernel@lists.infradead.org; Sun, 17 Apr 2022 21:30:17 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=z77FE9QIE6xo7tEPQX2Ascd0afRDMi9qkaRQC2n5wCE=; b=M01nH/BiK26Jd0YxDMfxlC/aO/ PhmVEKrcIFq0qezUubTTo30bhvFbwFELLjPBNCckaMXggYDMbFb6zf9JhUxQHInmpHiKSBEf0WOBM zBYfovoCFnYVuAnHWRw2AY7ojMP+MjdG1L9+pyZN0njG7A1pQRcYnOOrXIXZ0WYHnIyy/l8udroue V7rBOzIKfzv+1qY+CFirRzNPxsfj43n8q8iS/Ma3dsY/Av3l7zas6Q6pDu4BaWmvoez1flfM2KJFD a0WrRKAH+YENoJk2mJTSgbJr+QGo2l292f/9m8zLTP37923QQySWNj0hD+z/RaejmgsuDM19YP6M7 C6t8mOIA==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:58304) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1ngCR8-0007Y6-UP; Sun, 17 Apr 2022 22:28:02 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1ngCR4-0007Tf-IL; Sun, 17 Apr 2022 22:27:58 +0100 Date: Sun, 17 Apr 2022 22:27:58 +0100 From: "Russell King (Oracle)" To: Mark Brown Cc: Catalin Marinas , kernelci-results@groups.io, bot@kernelci.org, gtucker@collabora.com, linux-arm-kernel@lists.infradead.org Subject: Re: mainline/master bisection: baseline.login on odroid-xu3 Message-ID: References: <625c0133.1c69fb81.448c1.e6db@mx.google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220417_143015_429697_1EFB52AE X-CRM114-Status: GOOD ( 12.90 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, Apr 17, 2022 at 08:35:29PM +0100, Mark Brown wrote: > On Sun, Apr 17, 2022 at 04:59:47AM -0700, KernelCI bot wrote: > > The KernelCI bisection bot found a boot regression on Odroid-XU3 with > commit 8d9d651ff2270 (ARM: use LOADADDR() to get load address of > section). It appears to trigger a deadlock somehow at some point after > the secondary CPUs come up: If the primary CPU is still happy, then the secondary CPUs should be. Quite simply, if something is broken in the setup of the vectors, the primary CPU would also be affected by this commit. However... > <6>[ 0.133301] smp: Bringing up secondary CPUs ... > <6>[ 0.138439] CPU1: thread -1, cpu 1, socket 1, mpidr 80000101 > <6>[ 0.139400] CPU2: thread -1, cpu 2, socket 1, mpidr 80000102 > <6>[ 0.140325] CPU3: thread -1, cpu 3, socket 1, mpidr 80000103 > <6>[ 0.141167] CPU4: thread -1, cpu 0, socket 0, mpidr 80000000 > <6>[ 0.141185] CPU4: Spectre v2: using ICIALLU workaround > <6>[ 0.168676] CPU4: Spectre BHB: using loop workaround Given that there was a problem with the loop implementation, please ensure that when you bisect, you have the following commit in place every time you test a bisect point: 6c7cb60bff7a ("ARM: fix Thumb2 regression with Spectre BHB") Otherwise, yes, it is known that Thumb2 will be broken. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last! _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel