From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from isilmar-4.linta.de (isilmar-4.linta.de [136.243.71.142]) (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 4C1A837143; Sat, 9 Mar 2024 09:21:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.243.71.142 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709976098; cv=none; b=cIpPgkFsjtlz8vyV33NuA0JYO560wwi3l1QYGWoui3RpQt49yZK1RvQhSQ0jokSQiYe7Q+S67fNIucLePnzolHcwJ1GVKGzQSLALskI7ZKWabz9lX0fwiqPCQci6H1+Opwj0BDUMFkPKs/XrEtFrriRtPlZVMN3Qy/bYW5Eyv9w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709976098; c=relaxed/simple; bh=qu1SVhckDWVGJDdfG0lqncAupnFVlU4EWMvXGIuWYIE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=YOYJaYGWk2WFOnjL+QtTK7aJKjl1ULhYrn0F4JWagUhn3B891pNMxPZLH8jtY1KMgBkBO8ALV7og7TgDoH399Kfi8rEIUyz/JA9pyLezogQN18bIXuxLKQSLqNnkUmxL9C8b0WsqK4XeEadMLOMlmDbVOHigJ3QOq9JOToRlQL4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=dominikbrodowski.net; spf=pass smtp.mailfrom=dominikbrodowski.net; arc=none smtp.client-ip=136.243.71.142 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=dominikbrodowski.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=dominikbrodowski.net Received: from shine.dominikbrodowski.net (shine.brodo.linta [10.2.0.112]) by isilmar-4.linta.de (Postfix) with ESMTPSA id 916AF200307; Sat, 9 Mar 2024 09:21:25 +0000 (UTC) Received: by shine.dominikbrodowski.net (Postfix, from userid 1000) id 2A548A006A; Sat, 9 Mar 2024 10:20:08 +0100 (CET) Date: Sat, 9 Mar 2024 10:20:08 +0100 From: Dominik Brodowski To: "Wu, Wentong" Cc: Sakari Ailus , "Winkler, Tomas" , "mchehab@kernel.org" , "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-media@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 Wetong, Am Fri, Mar 08, 2024 at 11:45:44PM +0000 schrieb Wu, Wentong: > Did you try master branch (v6.8) without IPU6 driver? There > should be problems with the IPU6 driver you use as below: > > > intel-ipu6 0000:00:05.0: Found supported sensor OVTI01A0:00 > > intel-ipu6 0000:00:05.0: Connected 1 cameras > > If not, could you please help try it on your side? Branch master from https://git.linuxtv.org/sailus/media_tree.git/ causes a WARNING during boot; some extracts from dmesg: mei_me 0000:00:16.0: enabling device (0000 -> 0002) mei_hdcp 0000:00:16.0-b638ab7e-94e2-4ea2-a552-d1c54b627f04: bound 0000:00:02.0 (ops i915_hdcp_ops) mei_pxp 0000:00:16.0-fbf6fcf1-96cf-4e2e-a6a6-1bab8cbe36b1: bound 0000:00:02.0 (ops i915_pxp_tee_component_ops) intel_vsc intel_vsc: silicon stepping version is 0:2 ------------[ cut here ]------------ do not call blocking ops when !TASK_RUNNING; state=2 set at [<000000001b97ea26>] prepare_to_wait_event+0x54/0x1a0 WARNING: CPU: 5 PID: 124 at kernel/sched/core.c:10099 __might_sleep+0x59/0x60 Modules linked in: CPU: 5 PID: 124 Comm: kworker/u24:2 Tainted: G T 6.8.0-rc2+ #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 Code: ee 48 89 df 5b 31 d2 5d e9 24 fd ff ff 48 8b 90 60 15 00 00 48 c7 c7 a8 3e aa 84 c6 05 6f b3 47 03 01 48 89 d1 e8 b7 6c fb ff <0f> 0b eb d1 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffbd3ec1287a98 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffffff84a07d0f RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000ea5 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffa224892a3028 R14: ffffa22494ac1028 R15: 00000000c1287b00 FS: 0000000000000000(0000) GS:ffffa22bef680000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557ffdf03148 CR3: 00000002b645c000 CR4: 0000000000f50ef0 PKRU: 55555554 Call Trace: ? __might_sleep+0x59/0x60 ? __warn+0x80/0x170 ? __might_sleep+0x59/0x60 ? report_bug+0x182/0x1b0 ? handle_bug+0x40/0x80 ? exc_invalid_op+0x17/0x80 ? asm_exc_invalid_op+0x1a/0x20 ? __might_sleep+0x59/0x60 ? __might_sleep+0x59/0x60 gpiod_get_value_cansleep+0x19/0x60 vsc_tp_xfer+0x177/0x570 ? __pfx_autoremove_wake_function+0x10/0x10 mei_vsc_write+0xe5/0x1d0 mei_hbm_cl_flow_control_req+0x84/0xd0 mei_cl_read_start+0x23b/0x330 mei_cldev_register_rx_cb+0xf5/0x140 mei_ace_probe+0x11f/0x390 ? kernfs_add_one+0x146/0x180 ? really_probe+0x166/0x300 really_probe+0x166/0x300 ? __pfx___device_attach_driver+0x10/0x10 __driver_probe_device+0x6e/0x120 driver_probe_device+0x1a/0x90 __device_attach_driver+0x8e/0xd0 bus_for_each_drv+0x90/0xf0 __device_attach+0xac/0x1a0 ? process_one_work+0x19c/0x500 bus_probe_device+0x93/0xb0 ? process_one_work+0x19c/0x500 deferred_probe_work_func+0x96/0xd0 process_one_work+0x205/0x500 worker_thread+0x1dc/0x3e0 ? __pfx_worker_thread+0x10/0x10 kthread+0xea/0x120 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x2c/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1b/0x30 irq event stamp: 1166879 hardirqs last enabled at (1166885): [] console_unlock+0x118/0x170 hardirqs last disabled at (1166890): [] console_unlock+0xfd/0x170 softirqs last enabled at (1166640): [] irq_exit_rcu+0x7e/0xa0 softirqs last disabled at (1166635): [] irq_exit_rcu+0x7e/0xa0 ---[ end trace 0000000000000000 ]--- mei intel_vsc-5db76cf6-0a68-4ed6-9b78-0361635e2447: deferred probe pending: (reason unknown) mei intel_vsc-92335fcf-3203-4472-af93-7b4453ac29da: deferred probe pending: (reason unknown) Best, Dominik