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 D4A65C433FE for ; Mon, 21 Nov 2022 18:03:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230420AbiKUSDe (ORCPT ); Mon, 21 Nov 2022 13:03:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53696 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229498AbiKUSDb (ORCPT ); Mon, 21 Nov 2022 13:03:31 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D8745CD17 for ; Mon, 21 Nov 2022 10:03:31 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id DE033B81232 for ; Mon, 21 Nov 2022 18:03:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 57163C433C1; Mon, 21 Nov 2022 18:03:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1669053808; bh=NPPlVNTPIt4eZj5V4vKEYND7lKQPzlo4Jgr8cU3tjk8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=TNFJxEw69uAcvtWuATMKdAwYS+zHD+dtmBA9L1isrOaa2fTZn3v7Lrur5G6PrX4NG LfHeuTyApHTnDgYJZQ4+IJwHbJU6FFXTcci6aFO9+/dAUv6gwkuVe8B9O5Q+D7+wSc D25q/T49IUKIBj2q4WmrBK+VaVab0XZWI2YgZE0bipmrm0L2+8KBeAIuWxHgpG2J3C aSstHsMaEY3bDtSruJ1DzJ/u3GX8dCD/rlFjSkasAl6ppsQpHzFBidPBIkA5QBqYps cBPNPOOkZy2iBowz6Usnnmf7yN4xJM1pjcAqDMbE9m+8ooacLpojhX03s3jDFQoIbz k6FhMWvh2KpHQ== Date: Mon, 21 Nov 2022 18:03:22 +0000 From: Will Deacon To: Naresh Kamboju Cc: open list , lkft-triage@lists.linaro.org, regressions@lists.linux.dev, Catalin Marinas , Mark Rutland , Andrew Morton , Linux ARM , Anshuman Khandual , Nathan Chancellor , Mark Brown , Anders Roxell Subject: Re: [PATCH] arm64/mm: Drop redundant BUG_ON(!pgtable_alloc) Message-ID: <20221121180321.GA7645@willie-the-truck> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 21, 2022 at 09:17:18PM +0530, Naresh Kamboju wrote: > LKFT detected arm64 boot regression on today's Linux next-20221121 tag. > The Kernel boot log did not show anything on the serial console. > > Anders bisected this problem and found the subject commit is the > first bad commit. > > # first bad commit: [9ed2b4616d4e846ece2a04cb5007ce1d1bd9e3f3] > arm64/mm: Drop redundant BUG_ON(!pgtable_alloc) > > Later it was found this lore link which was already reported [1]. > > ref: > [1] https://lore.kernel.org/all/Y3pS5fdZ3MdLZ00t@dev-arch.thelio-3990X/ Yup, I've queued a revert locally and will push it out this evening. Cheers, Will