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=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 226E9C3A59C for ; Fri, 16 Aug 2019 03:10:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EC60F2089E for ; Fri, 16 Aug 2019 03:10:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="cjB+2UDw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726575AbfHPDKF (ORCPT ); Thu, 15 Aug 2019 23:10:05 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:54590 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726437AbfHPDKF (ORCPT ); Thu, 15 Aug 2019 23:10:05 -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:In-Reply-To:MIME-Version:Date:Message-ID:From:Cc:References: Subject:Sender:Reply-To: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=4j8pzC9X6BV/0Cgmn/vHlvEwxdtoqsY8m8EAgZ/56aI=; b=cjB+2UDwKTYOFgYTe9TsclryD fRTu6IgBmoFI+mvs9rUzSWQMIe8my5zq4ZZJaggyvAyurUvssi8NzmQ+IDgkvfZFbUJhXwBTWiyT9 1BxwxTOR4XitmL/hXXt3KYaV8F1+grwZoZc6lsF+l8YTZhKQosVb2Vm5JZmgWSyhN8wG19zuICD9y 3M85yq3D6DDgv2vI5vwrxFdo2YRbIlYT3Zegg2t+5N4MqPpcwoAV6fyo/8Z7qfOs0hpcb0A8fQf1i jpBMBFZEX/TRG3IOR0UX6AKwBOyqKYcdrITx8HSCB6o3pvWlM/2RU0MAqeElqVT7g/LrxSY1C4PMm 5oQ3KzFTA==; Received: from static-50-53-52-16.bvtn.or.frontiernet.net ([50.53.52.16] helo=[192.168.1.17]) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hyScu-0006Dn-JI; Fri, 16 Aug 2019 03:10:04 +0000 Subject: Re: Linux Kernel 5.2.8 (uvc or i915? <<<) References: Cc: Nathaniel Russell , LKML , linux-media , Laurent Pinchart , dri-devel , intel-gfx From: Randy Dunlap Message-ID: <5d637638-12d1-6c39-8f76-824a0e875feb@infradead.org> Date: Thu, 15 Aug 2019 20:10:03 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit To: unlisted-recipients:; (no To-header on input) Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org [adding mailing lists etc. with Nathaniel's test info] On 8/15/19 7:21 PM, Nathaniel Russell wrote: > Well i surpressed the uvcvideo driver and you are right Randy it > definitely is not the uvcvideo driver. There is something going on in > the i915 driver. > > > On 8/15/19, Randy Dunlap wrote: >> On 8/15/19 6:15 PM, Nathaniel Russell wrote: >>> I would really like help with the kernel error with my uvcvideo driver. >>> >> >> Hi again. >> >> What makes you think that the problem is related to the uvcvideo driver? >> Does some previous kernel version work correctly? If so, what version(s)? >> >> >> Does this warning message only happen when the uvcvideo driver is being >> loaded? >> Can you suppress loading of the uvcvideo driver to find out? >> >> Most of the problems/errors/warnings that I see are related to the i915 >> driver: >> >> [ 13.032341] timed out waiting for port C ready: got 0x20, expected 0xe0 >> [ 13.032872] WARNING: CPU: 1 PID: 239 at >> drivers/gpu/drm/i915/intel_display.c:1597 vlv_wait_port_ready+0x99/0xe0 >> [i915] >> [ 13.033632] RIP: 0010:vlv_wait_port_ready+0x99/0xe0 [i915] >> >> although there are a few uvcvideo warnings: >> [ 13.039305] uvcvideo 1-5:1.0: Entity type for entity Extension 4 was not >> initialized! >> [ 13.039318] uvcvideo 1-5:1.0: Entity type for entity Extension 3 was not >> initialized! >> [ 13.039330] uvcvideo 1-5:1.0: Entity type for entity Processing 2 was not >> initialized! >> [ 13.039339] uvcvideo 1-5:1.0: Entity type for entity Camera 1 was not >> initialized! >> >> >> Laurent, do you see any uvc issues here? Any ideas/suggestions? >> >> >> @intel-gfx: any ideas about what is going on here with the i915 driver? >> >> >> >> Original message to lkml: >> https://lore.kernel.org/lkml/CAONH+Jm-O6=DQ+K2n5pNTNMg2Sq1KcVNFLuweVh6W82OPEFJoQ@mail.gmail.com/T/#u >> >> Previous message for 5.1.21 kernel: >> https://lore.kernel.org/lkml/CAONH+JkTFujY9vEyNNuem+9rJ2qBKkf-PbKk9=DBSVEp6kW=yw@mail.gmail.com/ >> >> >> thanks. >> -- >> ~Randy >> -- ~Randy