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[209.132.183.28]) by mx.google.com with ESMTPS id k7si1985705qtk.40.2019.02.11.11.57.11 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 11 Feb 2019 11:57:11 -0800 (PST) Received-SPF: pass (google.com: domain of jglisse@redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; Authentication-Results: mx.google.com; spf=pass (google.com: domain of jglisse@redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=jglisse@redhat.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 90A54A7878; Mon, 11 Feb 2019 19:57:10 +0000 (UTC) Received: from redhat.com (ovpn-123-21.rdu2.redhat.com [10.10.123.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 613048517; Mon, 11 Feb 2019 19:57:09 +0000 (UTC) Date: Mon, 11 Feb 2019 14:57:07 -0500 From: Jerome Glisse To: Krzysztof Grygiencz Cc: dan.j.williams@intel.com, akpm@linux-foundation.org, dri-devel@lists.freedesktop.org, hch@lst.de, linux-kernel@vger.kernel.org, linux-mm@kvack.org, logang@deltatee.com, stable@vger.kernel.org, torvalds@linux-foundation.org Subject: Re: [PATCH v8 3/7] mm, devm_memremap_pages: Fix shutdown handling Message-ID: <20190211195706.GE3908@redhat.com> References: <30d86b36-8421-f899-205e-4b9c6a5fcc9d@interia.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <30d86b36-8421-f899-205e-4b9c6a5fcc9d@interia.pl> User-Agent: Mutt/1.10.1 (2018-07-13) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Mon, 11 Feb 2019 19:57:10 +0000 (UTC) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sun, Feb 10, 2019 at 12:09:08PM +0100, Krzysztof Grygiencz wrote: > Dear Sir, > > I'm using ArchLinux distribution. After kernel upgrade form 4.19.14 to > 4.19.15 my X environment stopped working. I have AMD HD3300 (RS780D) > graphics card. I have bisected kernel and found a failing commit: > > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v4.19.20&id=ec5471c92fb29ad848c81875840478be201eeb3f This is a false positive, you should skip that commit. It will not impact the GPU driver for your specific GPUs. My advice is to first bisect on drivers/gpu/drm/radeon only. Cheers, Jérôme