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 X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_2 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6A29CC76188 for ; Mon, 22 Jul 2019 11:38:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2E2A121921 for ; Mon, 22 Jul 2019 11:38:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563795515; bh=vrvgk4MLOqycHNu8jYs4DCQiW7nkTfhmDPD+dwt27x4=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=qfdeQ8XybJ/Xi/vrWVcebIw3NDHjnPlvM7HB1ISeGrf+BQ7VnArRiVe4PKwAhFF8f 6qoxoyfSjn8oj2TwdFpX3tBx4sMIp8Qgdd5wh3pGdLXYsuZeGOP0gJodWOIonRnoyk 9kfhvyzPx0cxnsDxis227/xBgYa/4H8tYrJJ7cXc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728034AbfGVLie (ORCPT ); Mon, 22 Jul 2019 07:38:34 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:42740 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726895AbfGVLie (ORCPT ); Mon, 22 Jul 2019 07:38:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:Cc:To: From:Date:Sender:Reply-To: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=ltugbnpezrITv6PW0eJoJBKvZoB4R0R+O+F/CaDzarg=; b=lZxe+8B5XreE6IPnKOegKppFg 2n+UjjHl0py+CIL6+9f+rQ5pLC0xdKGucXOdjxfCpx8rIZZknYZ+RXumxlejJzw+N50/Hg1bbokEx doV75TMHWA+nk75kcreMpANJQCC7a0C5BoPrmfbft3hsl9ZNA6ocNsDT06geApisrM3/yyC2ORdRj AcWRZ2a3Gl8PYDHvUzi+sFgQyiywOjPc0oFW7iEo6X2BcMAp1/iHFw9B5ERFdTkgbjfs0lb/SyvHy ZaHVwNZn2GhmDM3tkHAccgB4gbuO1MhOGOqxzQTdhpWxxN1SFWKXIXHczurOL9geh8zdHlqrxn74E eYJ5rBjeQ==; Received: from 177.157.124.3.dynamic.adsl.gvt.net.br ([177.157.124.3] helo=coco.lan) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hpWeE-0004Wz-5p; Mon, 22 Jul 2019 11:38:30 +0000 Date: Mon, 22 Jul 2019 08:38:26 -0300 From: Mauro Carvalho Chehab To: Dafna Hirschfeld Cc: p.zabel@pengutronix.de, hans.verkuil@cisco.com, vincent.abriou@st.com, linux-media@vger.kernel.org Subject: Re: kernel Warning when using vivid with contiguous dma Message-ID: <20190722083748.2abd3fe1@coco.lan> In-Reply-To: <1563794460.2546.3.camel@collabora.com> References: <1563794460.2546.3.camel@collabora.com> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Em Mon, 22 Jul 2019 13:21:00 +0200 Dafna Hirschfeld escreveu: > I loaded the vivid module with contiguous DMA and ran streaming with > it with large image dimensions > [=C2=A0=C2=A0306.437327] Call Trace: > [=C2=A0=C2=A0306.437338]=C2=A0=C2=A0__dma_direct_alloc_pages+0xc9/0x1c0 > [=C2=A0=C2=A0306.437343]=C2=A0=C2=A0dma_direct_alloc_pages+0x24/0xf0 > [=C2=A0=C2=A0306.437348]=C2=A0=C2=A0dma_direct_alloc+0xe/0x10 > [=C2=A0=C2=A0306.437351]=C2=A0=C2=A0dma_alloc_attrs+0x84/0xd0 Hmm... we had a recent regression affecting other media devices, reported via Kaffeine mailing list: https://bugs.kde.org/show_bug.cgi?id=3D408004#c35 While this one was for S/G, maybe it is somewhat related. Thanks, Mauro