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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS 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 663C2C43387 for ; Sat, 5 Jan 2019 02:12:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 32440218DE for ; Sat, 5 Jan 2019 02:12:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726270AbfAECMq (ORCPT ); Fri, 4 Jan 2019 21:12:46 -0500 Received: from mga05.intel.com ([192.55.52.43]:30791 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725862AbfAECMp (ORCPT ); Fri, 4 Jan 2019 21:12:45 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Jan 2019 18:12:45 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,441,1539673200"; d="scan'208";a="264543476" Received: from kgandham-mobl1.amr.corp.intel.com (HELO [10.251.139.169]) ([10.251.139.169]) by orsmga004.jf.intel.com with ESMTP; 04 Jan 2019 18:12:44 -0800 Subject: Re: [GIT PULL] sound updates for 4.21 To: Azat Khuzhin Cc: Linux Kernel Mailing List References: <20181228124303.GA16558@gmail.com> <82bb7f60-c3c2-4715-a0a0-f1f2a8b14c74@linux.intel.com> <47137843-14fc-f6d0-4372-a9ef2456cab8@linux.intel.com> From: Pierre-Louis Bossart Message-ID: <53fa01e6-5cf8-9a42-8efd-8a82cf039770@linux.intel.com> Date: Fri, 4 Jan 2019 20:12:44 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 1/4/19 6:34 PM, Azat Khuzhin wrote: >> This is unfortunately a known issue with this driver, Takashi and I had >> a couple of email threads on this. Even without errors removing the >> module doesn't seem to release all resources. I don't like this at all, >> and for the Sound Open Firmware (SOF) driver I mandated module >> load-unload as a functional requirement along with zero warnings w/ >> Sparse, Coccinelle and friends, but on this legacy code I am afraid >> there is no simple fix - at least not in a merge window or a single >> kernel cycle. > And the fact that kernel crashes after? > Just want extra confirmation The kernel crash is related to an HDMI issue that we haven't been able to reproduce on our development and validation devices so far but that's not an excuse and we do need to figure it out. Things work e.g. fine with the KBL Dell XPS13 but not on Linus' SKL Dell XPS13 device, so I'll get one and will also work on additional devices remotely.