From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0F00E79B79; Wed, 28 Feb 2024 18:54:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709146461; cv=none; b=THHDO+1ush0JD7QuaE99CDW7LCEMUvo/ZfuO4kBVlYizdheZVzTiE1hFyCA3jhnxbNXVVRbcykesZZGZeQM2wSfm9fQAR+Ot957SpVvxnod+ty6CkrbqMRyWWJgBg93q3Hy32YKH6TvRaf6m09gpjft/giUlFLmETIsH1tarrko= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709146461; c=relaxed/simple; bh=UUQNFDIoLGj8E8dC+r/j0MRZe+6zHvZowh5kECkoeHE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=DsUF2wblztxqzlEmIyn9pmbbOrMxUINnqtvbg4aJCXbKZmBl5vTlChRGHnQRatdaeDQco2Ve82cn9Y4J9KNN5eQS6itKupWXY6MKDz9irBeREC93HfushxR3PWXg+11QwmoDI3eQPXCvgLdhQK1EWe9LMRs8B8boiJ67/GAopek= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=cLw0kHgZ; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="cLw0kHgZ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1709146460; x=1740682460; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=UUQNFDIoLGj8E8dC+r/j0MRZe+6zHvZowh5kECkoeHE=; b=cLw0kHgZVt4Zf/Jb9OboIRX44RHxTDiwyN9XblB6ffJT6PoXbDaVVUF6 0LG98xkhyHJ7TXTjo0Pq+lSi906AV7PUMC3PVzs0XZx2ymFhTNc+2DUDj 7mYjfay94dfj0qDSynam6f9kP0ro42e2lnDM7KCB3m5QWMvmA2uaz3hLA YGMfHaGO5T65CKQE+ctj5tDYXQm9S2f/K7H89Ngo5/xEDkYxaQAKTjeS4 0TFz8QK/+DRvfJklVgg9/EpLkyOGNw0AzaZntmpr1KA42mtKpXKy1Khcf OetPGcemwIq+M1fPT79Y1LfJ1wGqh4QhfYJQFHCoXu7giS19d6WUOIEIg w==; X-IronPort-AV: E=McAfee;i="6600,9927,10998"; a="26035563" X-IronPort-AV: E=Sophos;i="6.06,191,1705392000"; d="scan'208";a="26035563" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Feb 2024 10:54:19 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,191,1705392000"; d="scan'208";a="7584476" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Feb 2024 10:54:17 -0800 Received: from kekkonen.localdomain (localhost [127.0.0.1]) by kekkonen.fi.intel.com (Postfix) with SMTP id 0815F11F855; Wed, 28 Feb 2024 20:54:14 +0200 (EET) Date: Wed, 28 Feb 2024 18:54:14 +0000 From: Sakari Ailus To: Dominik Brodowski Cc: tomas.winkler@intel.com, mchehab@kernel.org, wentong.wu@intel.com, hverkuil-cisco@xs4all.nl, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: v6.8.0-rc6: mei_ace_probe / mei_vsc_probe: do not call blocking ops when !TASK_RUNNING Message-ID: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Hi Dominik, On Wed, Feb 28, 2024 at 06:41:38PM +0100, Dominik Brodowski wrote: > Hi, > > thanks for your work getting the Intel IPU6 camera system - such as found > within my Dell Inc. XPS 9315 - to work with an upstream kernel. Much > appreciated! > > On Linux 6.8.0-rc6+ (as of this morning, HEAD is at cf1182944c7c), though, > I get the following warning during boot with everything built into the > kernel: > > ------------[ cut here ]------------ > do not call blocking ops when !TASK_RUNNING; state=2 set at [<000000003688dc79>] prepare_to_wait_event+0x54/0x1a0 > WARNING: CPU: 5 PID: 122 at kernel/sched/core.c:10099 __might_sleep+0x59/0x60 > Modules linked in: > CPU: 5 PID: 122 Comm: kworker/u24:3 Tainted: G T 6.8.0-rc6+ #2 > Hardware name: Dell Inc. XPS 9315/00KRKP, BIOS 1.1.3 05/11/2022 > Workqueue: events_unbound deferred_probe_work_func > RIP: 0010:__might_sleep+0x59/0x60 The issue should be fixed by this patch: . I've posted to the LKML, too, so hopefully we have it merged soon. -- Regards, Sakari Ailus