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=-6.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 534C6C04AAC for ; Mon, 20 May 2019 11:39:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2779920656 for ; Mon, 20 May 2019 11:39:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=googlemail.com header.i=@googlemail.com header.b="dYH9cYyb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733282AbfETLjB (ORCPT ); Mon, 20 May 2019 07:39:01 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:32955 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725772AbfETLjA (ORCPT ); Mon, 20 May 2019 07:39:00 -0400 Received: by mail-wr1-f67.google.com with SMTP id d9so1246115wrx.0 for ; Mon, 20 May 2019 04:38:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=//ZD23GlUg0Rjx9kaggXyZtUpXWU1ALeFH1wLQZKmk0=; b=dYH9cYybET2urMILgdKSoxQcLSBWo8B5v28wSCrEBTTKiUUD4az7j3yjGnaCGmaFPA vFvqoiV1KkwWAmh9+KSh9Xx/FCl1+nZcMWtConLmzsHWvL+C/kZkaiOFzq3qznFe4zv1 6un/r8vZPqP5NjoNlm05SIAgQoLFnunm8RziI4Xa6Rl3Xsp/QEVNQXSKkfbQLrZVGM28 Wc16Ep6c/H3jEP/HKhIjmjp0gLTAz8t+gEYVaC0kZhO6hBFXMyC2HffxgJQ9XVqII5Ty abY6C77YLgxWwx4Wzx3kNYnJOTt41pzEAMCCwvwUCMP7tHHr5QbK/zjltpJd+rdfTlsD 0vRg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=//ZD23GlUg0Rjx9kaggXyZtUpXWU1ALeFH1wLQZKmk0=; b=KTaAtXX0wJH6YIFLfXuYbjGRypVfCHTzqG9bvovYDJEf4qT1Hn8zGlUBQGdGpiDSEj NKCXvgyOrlbZW98pKlaxPdh4CHNBd5gdcgQ0dkGKxpF7dwt9qbsYp5tLQOvGW9D2RqXS /yfWapXFVPKwaQMhHUhKxejZUOcqrRTQOoZgYdl4qFZnd43zgCEJlxcaJDg/mG4CUuJI kAfkIrJY7Dxrzu4Yu8GC+AYMDKvE63Ol3sdKwfUhREPE27gQpMnDNl3RhpctrK/8VaT2 oMhFswSpvMSYcD73qDpGULnJAX5nXWB+JR0i/J9sUJ2GtIjuE20PB8jPRa99ZYZQ8w9w 7jyw== X-Gm-Message-State: APjAAAXbsgdmj9ZuBmVk1m+ROnBrbMJqtvSobcKO0+DNv1GDDqs56Ff/ 1yIGKcsZHvVD5vy6fxQ8PLc= X-Google-Smtp-Source: APXvYqw5QnmOM4cfYsPamwlaWlURmkvSiofI1qTGdKmW3afeOmg8KkuE7wXIdf7TDKytTADBX3eQEA== X-Received: by 2002:a5d:6703:: with SMTP id o3mr150013wru.183.1558352338841; Mon, 20 May 2019 04:38:58 -0700 (PDT) Received: from drswgregorj02.drs.expertcity.com (ent-nat1.drs.expertcity.com. [78.108.113.1]) by smtp.gmail.com with ESMTPSA id y1sm15064315wma.14.2019.05.20.04.38.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 20 May 2019 04:38:57 -0700 (PDT) Subject: Re: Bug#929262: libv4l-dev: pac207 cam(s) give frame decode errors To: folkert@vanheusden.com, 929262@bugs.debian.org, Linux Media Mailing List , Hans Verkuil References: <155834073601.757.12828508994068038463.reportbug@scrollert> From: Gregor Jasny Message-ID: Date: Mon, 20 May 2019 13:38:56 +0200 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <155834073601.757.12828508994068038463.reportbug@scrollert> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Hello, On 20.05.19 10:25, folkert@vanheusden.com wrote: > Trying to get a pac207 camera to work with constatus. > > 2019-05-20 10:22:34.864900 INFO constatus [1-1] source v4l2 thread started > libv4l2: error got 4 consecutive frame decode errors, last error: v4l-convert: error unknown pac207 row header: 0x0000 > 2019-05-20 10:22:35.597949 ERROR cs:src_v4l2 [1-1] VIDIOC_DQBUF failed: Input/output error > ioctl(VIDIOC_QBUF) failed > errno: 22 (Invalid argument) > > To verify that it is not a constatus-problem I also tried a raspberry-pi camera via its video4linux-interface and that works fine. According to the Linux Kernel Maintainers file the device driver is maintained by Hans, which I CC'ed on this bug report: GSPCA PAC207 SONIXB SUBDRIVER M: Hans Verkuil L: linux-media@vger.kernel.org T: git git://linuxtv.org/media_tree.git S: Odd Fixes F: drivers/media/usb/gspca/pac207.c Did your camera ever work on another Kernel, CPU architecture, or v4l-utils version? Do you have anything suspicious in dmesg output? Thanks, Gregor