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[2620:137:e000::1:20]) by mx.google.com with ESMTP id jc10-20020a17090325ca00b001a923bc3af0si1586040plb.544.2023.05.30.04.41.53; Tue, 30 May 2023 04:42:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=lio96.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230466AbjE3LSt (ORCPT + 99 others); Tue, 30 May 2023 07:18:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57950 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229660AbjE3LSr (ORCPT ); Tue, 30 May 2023 07:18:47 -0400 X-Greylist: delayed 344 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Tue, 30 May 2023 04:18:45 PDT Received: from er-systems.de (er-systems.de [IPv6:2a01:4f8:261:3c41::]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 76C6AA0 for ; Tue, 30 May 2023 04:18:45 -0700 (PDT) Received: from localhost.localdomain (localhost [127.0.0.1]) by er-systems.de (Postfix) with ESMTP id 98791ECDAD2; Tue, 30 May 2023 13:12:58 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_PASS, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 Received: from localhost (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by er-systems.de (Postfix) with ESMTPS id 81327ECDAC4; Tue, 30 May 2023 13:12:58 +0200 (CEST) Date: Tue, 30 May 2023 13:12:57 +0200 (CEST) From: Thomas Voegtle To: linux-kernel@vger.kernel.org, Hyunwoo Kim , Mauro Carvalho Chehab Subject: Sometimes DVB broken with commit 6769a0b7ee0c3b Message-ID: MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset=US-ASCII X-Virus-Status: No X-Virus-Checker-Version: clamassassin 1.2.4 with clamdscan / ClamAV 0.103.8/26923/Tue May 30 09:22:21 2023 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, I have the problem that sometimes my DVB card does not initialize properly booting Linux 6.4-rc4. This is not always, maybe in 3 out of 4 attempts. When this happens somehow you don't see anything special in dmesg, but the card just doesn't work. Reverting this helps: commit 6769a0b7ee0c3b31e1b22c3fadff2bfb642de23f Author: Hyunwoo Kim Date: Thu Nov 17 04:59:22 2022 +0000 media: dvb-core: Fix use-after-free on race condition at dvb_frontend I have: 03:00.0 Multimedia video controller [0400]: Conexant Systems, Inc. CX23887/8 PCIe Broadcast Audio and Video Decoder with 3D Comb [14f1:8880] (rev 04) Subsystem: Hauppauge computer works Inc. Device [0070:c138] Kernel driver in use: cx23885 zcat /proc/config.gz | grep ^CONFIG_DVB CONFIG_DVB_CORE=y CONFIG_DVB_MMAP=y CONFIG_DVB_NET=y CONFIG_DVB_MAX_ADAPTERS=8 CONFIG_DVB_DYNAMIC_MINORS=y CONFIG_DVB_USB=y CONFIG_DVB_USB_TTUSB2=y CONFIG_DVB_M88DS3103=y CONFIG_DVB_STB0899=y CONFIG_DVB_STB6100=y CONFIG_DVB_STV090x=y CONFIG_DVB_DRXK=y CONFIG_DVB_SI2165=y CONFIG_DVB_CX24116=y CONFIG_DVB_CX24117=y CONFIG_DVB_DS3000=y CONFIG_DVB_STV0299=y CONFIG_DVB_STV0900=y CONFIG_DVB_STV6110=y CONFIG_DVB_TDA10071=y CONFIG_DVB_TDA10086=y CONFIG_DVB_TDA8261=y CONFIG_DVB_TDA826X=y CONFIG_DVB_TS2020=y CONFIG_DVB_TUA6100=y CONFIG_DVB_DIB7000P=y CONFIG_DVB_SI2168=y CONFIG_DVB_STV0367=y CONFIG_DVB_TDA10048=y CONFIG_DVB_TDA1004X=y CONFIG_DVB_ZL10353=y CONFIG_DVB_TDA10021=y CONFIG_DVB_TDA10023=y CONFIG_DVB_LGDT330X=y CONFIG_DVB_S5H1409=y CONFIG_DVB_S5H1411=y CONFIG_DVB_MB86A20S=y CONFIG_DVB_PLL=y CONFIG_DVB_TUNER_DIB0070=y CONFIG_DVB_A8293=y CONFIG_DVB_LNBP21=y