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=-2.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 126FCC54FD0 for ; Mon, 27 Apr 2020 07:03:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B9E24206B6 for ; Mon, 27 Apr 2020 07:03:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=burnicki.net header.i=@burnicki.net header.b="hK2qqnRm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726429AbgD0HDd (ORCPT ); Mon, 27 Apr 2020 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EPHVCsGd8KO8J0ZSg9xzv0uFzD9ChxnrLvJtldoWvnZ68Um9Y5wAVj6PXUh8wKavQTcMNH8hAC9fz wP65wMIw==; Received: from sslproxy03.your-server.de ([88.198.220.132]) by www52.your-server.de with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89_1) (envelope-from ) id 1jSxnc-00069m-0l; Mon, 27 Apr 2020 09:03:28 +0200 Received: from [2a02:8108:98bf:e274:4d82:1183:1695:f1f5] by sslproxy03.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jSxnY-000SVp-VW; Mon, 27 Apr 2020 09:03:27 +0200 Subject: Re: HauppaugeTV-quadHD DVB-T mpeg risc op code error From: Martin Burnicki To: Sean Young Cc: Rolf Pedersen , Linux Media Mailing List , Brad Love References: <0c0ab661-17bb-231a-7311-c35d8d0435c0@mindspring.com> <20200423153505.GA22057@gofer.mess.org> <686f60be-7a37-42ce-b4c0-b34cf54055e7@mindspring.com> <20200423155908.GA22613@gofer.mess.org> <20200423163559.GB23006@gofer.mess.org> <0cd2436c-0a39-0f85-929e-5d8f333b5027@burnicki.net> 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d41qArjdABIxhZrnMICSW3fMyo9yfiQ6tXoyD1cHD/i2WmOnqCKEOtFScVeQJZJhqQb54NBx +viRax9d+X066AKYiBspm7kYwBVzNsng3uHOfyQXnVmcCEawxWIPyCtxSoV6fCKYdAfJCQeE lBXE89inkdGmdb0KLmYkHDoV4L1deAsPUI/t6qZjwqF3pKcr8kdGExqHwvytL8n1KGbYPyJ6 Fn1z/idOOiTYgN+Q7FWRRX0QplyVpSBU4OnD0Gd3KkP+a0+kErokA1Lk3/YCE45VT8J88f4Y GbRsIkf0xW+Ei0fk3fl9VPOrbTD+gFv+AzbT+Gp1+kElwVKj0VzXy0OC6UIQJ3J1on0lArkc fPTIMcWxGmfGPw== Message-ID: <1a2d9e15-55e2-88a7-d197-208a8ce99218@burnicki.net> Date: Mon, 27 Apr 2020 09:03:22 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <4aa38e2a-6b98-6530-69d9-d945a467bf0b@burnicki.net> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-Authenticated-Sender: mailout@burnicki.net X-Virus-Scanned: Clear (ClamAV 0.102.2/25794/Sun Apr 26 14:01:10 2020) Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Hi, Martin Burnicki wrote: > Sean Young wrote: >> On Fri, Apr 24, 2020 at 07:46:26PM +0200, Martin Burnicki wrote: >>> I came across this thread and want to let you know that I also have >>> problems with the cx23885 driver on a Ryzen system. >>> >>> The only solution I found on the 'net that could make it work was to add >>> a line >>> >>> options cx23885 debug=7 >>> >>> to the file /etc/modprobe.d/cx23885.conf >> >> Have you tried: >> >> options cx23885 dma_reset_workaround=2 > > I think I remember I originally tried this when I set up this system, > and it didn't work, but that may not have been with a value of 2. I've tried this now once more on my Ubuntu system with 5.3.0-46-generic, and indeed the workaround fixes the problem. In case you are interested, here is the full dmesg output of the system when the error occurs if *no* workaround is enabled: https://burnicki.net/martin/tmp/dmesg-with-error.txt See the "mpeg risc op code error" message close to the bottom of the file. Thanks, Martin