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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C32ADC433FE for ; Tue, 25 Jan 2022 14:40:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1388385AbiAYOkC (ORCPT ); Tue, 25 Jan 2022 09:40:02 -0500 Received: from mga07.intel.com ([134.134.136.100]:63378 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1578140AbiAYOfU (ORCPT ); Tue, 25 Jan 2022 09:35:20 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643121319; x=1674657319; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=fZpRi7/n3jktDDT1JXT1mbo2A4Bg6HzZ1mzBBxuVaL8=; b=jsexsbHu6IL1WTfJqnDx3/9ynALR2FF3aU+VrPo1DL/+Sl3LLYnnjgMq Mz1n++b02SYUIKUYuGGvIejoWRfPOSiB6UNGAY8NSqrXAVECM+z35hPLk 3QjnUF83IOayer+d0mOApwlzJJXZvb6/t3Oj7XC8/IOrwxLGDbX/ltdCE pcMwzxaaTFUiUayKEhn64KFWJ4AZEEv0wLQ1L+xzql9gLS+cMgBTBOh1J Aj9/UnBb9Oc1fzjSfYNBZliUutqITziVGetmj98+XBatUzVZuCIBR9beX VWY3hXmskGbpwfvSXfzNQtr5etoM/Rz3IQYocyayMA2OosB1+npbOZ62A g==; X-IronPort-AV: E=McAfee;i="6200,9189,10237"; a="309628254" X-IronPort-AV: E=Sophos;i="5.88,315,1635231600"; d="scan'208";a="309628254" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2022 06:32:29 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,315,1635231600"; d="scan'208";a="674005266" Received: from kuha.fi.intel.com ([10.237.72.185]) by fmsmga001.fm.intel.com with SMTP; 25 Jan 2022 06:32:25 -0800 Received: by kuha.fi.intel.com (sSMTP sendmail emulation); Tue, 25 Jan 2022 16:32:25 +0200 Date: Tue, 25 Jan 2022 16:32:25 +0200 From: Heikki Krogerus To: Mike Lothian Cc: andriy.shevchenko@linux.intel.com, gregkh@linuxfoundation.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, pmalani@chromium.org, rafael@kernel.org, sakari.ailus@linux.intel.com Subject: Re: 'Re: [PATCH v5 4/5] usb: typec: port-mapper: Convert to the component framework' Message-ID: References: <20211223082422.45637-1-heikki.krogerus@linux.intel.com> <20220125140033.1403-1-mike@fireburn.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220125140033.1403-1-mike@fireburn.co.uk> Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org On Tue, Jan 25, 2022 at 02:00:33PM +0000, Mike Lothian wrote: > Hi > > This patch is stopping my ASUS G513QY from booting correctly > > BUG: kernel NULL pointer dereference, address: 0000000000000008 > #PF: supervisor read access in kernel mode > #PF: error_code(0x0000) - not-present page > PGD 0 P4D 0 > Oops: 0000 [#1] PREEMPT SMP NOPTI > CPU: 1 PID: 116 Comm: kworker/1:1 Not tainted 5.16.0-rc6-tip+ #2991 > Hardware name: ASUSTeK COMPUTER INC. ROG Strix G513QY_G513QY/G513QY, BIOS G513QY.316 11/29/2021 > Workqueue: events_long ucsi_init_work > RIP: 0010:component_master_add_with_match+0x11/0x190 > Code: cc cc 00 00 cc cc 00 00 cc 49 89 c9 49 89 d0 31 d2 31 c9 e9 c1 fe ff ff 00 55 41 57 41 56 41 54 53 48 89 d3 49 89 f4 49 89 ff <48> 8b 72 08 48 89 d7 e8 73 01 00 00 89 c5 85 c0 0f 85 55 01 00 00 > RSP: 0018:ffff8881029f7d48 EFLAGS: 00010282 > RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 > RDX: 0000000000000000 RSI: ffffffff83095658 RDI: ffff888117658c08 > RBP: 0000000000000000 R08: ffff88810158e258 R09: ffffea00045d9e00 > R10: 0000001000000000 R11: ffffffff81be3720 R12: ffffffff83095658 > R13: ffff888117630a68 R14: ffff888117658c08 R15: ffff888117658c08 > FS: 0000000000000000(0000) GS:ffff888fde440000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 0000000000000008 CR3: 00000000ac20c000 CR4: 0000000000150ee0 > Call Trace: > > ? typec_link_ports+0x45/0x50 > ? typec_register_port+0x20f/0x260 > ? ucsi_register_port+0x33c/0x700 > ? __kmalloc+0x14e/0x2a0 > ? ucsi_init_work+0x15a/0x330 > ? process_one_work+0x1dd/0x380 > ? worker_thread+0x26d/0x4a0 > ? kthread+0x182/0x1a0 > ? worker_clr_flags+0x40/0x40 > ? kthread_blkcg+0x30/0x30 > ? ret_from_fork+0x22/0x30 > > Modules linked in: > CR2: 0000000000000008 > ---[ end trace 9c7dfbb7c9eaa418 ]--- > RIP: 0010:component_master_add_with_match+0x11/0x190 > Code: cc cc 00 00 cc cc 00 00 cc 49 89 c9 49 89 d0 31 d2 31 c9 e9 c1 fe ff ff 00 55 41 57 41 56 41 54 53 48 89 d3 49 89 f4 49 89 ff <48> 8b 72 08 48 89 d7 e8 73 01 00 00 89 c5 85 c0 0f 85 55 01 00 00 > RSP: 0018:ffff8881029f7d48 EFLAGS: 00010282 > RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 > RDX: 0000000000000000 RSI: ffffffff83095658 RDI: ffff888117658c08 > RBP: 0000000000000000 R08: ffff88810158e258 R09: ffffea00045d9e00 > R10: 0000001000000000 R11: ffffffff81be3720 R12: ffffffff83095658 > R13: ffff888117630a68 R14: ffff888117658c08 R15: ffff888117658c08 > FS: 0000000000000000(0000) GS:ffff888fde440000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 0000000000000008 CR3: 00000000ac20c000 CR4: 0000000000150ee0 > > Is it due to the USB-C port on the Radeon 6800M? No. There is a fix pending: https://lore.kernel.org/linux-usb/20220124090228.41396-3-heikki.krogerus@linux.intel.com/ -- heikki