From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lj1-f177.google.com (mail-lj1-f177.google.com [209.85.208.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D7DC013CC6E; Tue, 26 Mar 2024 16:57:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.177 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711472226; cv=none; b=c4O4kQuATXK74qtVsqEYJNYgTdiEkgFfiDq3/C9m4W21ytMtJJGf27hlfnhLAu5MqPI+7lB8dxLmUbMSjNnYJHGaTfMmZeUgmB4f/K/WJQmKVeqbJMBiuuVxYXUK2J5HSktSPK4xOZvGnqcbibsItLZom9rjucPXlyYa/44lGtU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711472226; c=relaxed/simple; bh=2qeRp3NpCuiDAJ/3gyrJI5txbBbOCmyfgeNGwUJ34QM=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=IeXg1uaGseb1Pp1ZlAIDk27kRWKZJBf9fWxNT8l/WxVJGTo8tcFIDUmIDI5V+g8uLPq5C5U4wTKnmspeft3Yew8Oax3X5ENGvdCNX/xEtYg2Zvu5LT5UTNxtzIH0vue1EEnohBdI9hP9zwv1RqQzmAy+EadInUQnZEDfP1ls988= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=HUmah7Wj; arc=none smtp.client-ip=209.85.208.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="HUmah7Wj" Received: by mail-lj1-f177.google.com with SMTP id 38308e7fff4ca-2d4a8bddc21so77179501fa.0; Tue, 26 Mar 2024 09:57:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1711472223; x=1712077023; darn=vger.kernel.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=IU22RLww3/XOivsSv4VG6tutKJTJKSIdnxTJz7w+A7w=; b=HUmah7WjkPthCGovK7uX3sqd34N05gU2mlDf7HGgBtoknB48xqyAnLyVvmMfJo3MAO q+BheaODd55QOjq6D/kuq6HjFsXZIYuRl7QGZGaIYREf7itqFrdQNOvlMO5vvW2Lck1v 8dDbNm3wiyOZQ+PGwCCxL//PVx66knjqcXznJy5hPWRUqt7s+s+NWVA4sa68mI5K45ZP 0V9ptv0cZ/LmAmBBdl7QNJxCrfrkO3aLWpFe756hTIY+1/91IlEUitAvtfujGrjWRPHg DkBZEZEOJ8v37ZHmRTbz0Pjo8DvryK/Pd9P/taIiLS64+4pzzsEZ6fEWcVp77w+VoSmD X53g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711472223; x=1712077023; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=IU22RLww3/XOivsSv4VG6tutKJTJKSIdnxTJz7w+A7w=; b=jfTIOkq7oh+4neD1K6WgzXmcOR3/q3O4p0YXiGXEsdro1rxxkBIuYMPwXZ18X3ClRV zJREihTa19G9Zvg0hNE06GQoMsbZMs8E2I3UhEx02UqXdvjH6SZYwHLjRb2UwSQu5SQH i71asi9zdYrSMBMOMBaueNgVafiZ1OG14Rr/fjjXpccOmY5SltWnyJ3e1cpzqYwWbi0D sqKt5pMjJYb/IwIScEQEUsj7Wv7eUO/MA23/sVD4UiZxECOL8HxmK7yj2OaUQfLVfceJ u7eiuL3Oq94o57VtsfANMONhULfQscvJurUSgXc99ZfArjw32xgOlKrBIyRAfws6S4vx nPMQ== X-Forwarded-Encrypted: i=1; AJvYcCVWkxQv/G48hyzhWY/XwriG075YVHO8r3hXMO7jhcCVacdSkUJW21gCXFQ8vI6canEfnl64YOCNZ00AshoYfiflveS7ZHkp1kT291AhHq6W7yWRvwikW0vb0jg6VBJOzPtlyIPU1tFiZxK8NVeJ X-Gm-Message-State: AOJu0YxPvNAMv9ReoBwELDWHTU4NiDPJDAqRJ0XVuCrGLoN6Vsj1crZi RpAenAY2eQjhgYLvbFuwPwhGEOAbnH4rzxKmLHD2u6+fALQYiNBekhHH3uvt4UUmzoEo/mHwNRG 6ZuWwSGPkDrkrqDnepbw0NC76KX7b/CbZ09k= X-Google-Smtp-Source: AGHT+IG1ZbFTx/MVVy6KI+dZ/kXiCyWDzCYWscY6etooM2mCnGEIMPlRg7hdSoLTGuQbmIXPG1EoR/a1KhikHD0w/O4= X-Received: by 2002:a2e:b8cb:0:b0:2d2:dac3:90f with SMTP id s11-20020a2eb8cb000000b002d2dac3090fmr157304ljp.52.1711472222756; Tue, 26 Mar 2024 09:57:02 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <08275279-7462-4f4a-a0ee-8aa015f829bc@leemhuis.info> In-Reply-To: <08275279-7462-4f4a-a0ee-8aa015f829bc@leemhuis.info> From: Luiz Augusto von Dentz Date: Tue, 26 Mar 2024 12:56:50 -0400 Message-ID: Subject: Re: [REGRESSION] Oops during init in btintel_read_debug_features with today's mainline To: Thorsten Leemhuis Cc: Marcel Holtmann , Linux kernel regressions list , "linux-bluetooth@vger.kernel.org" , LKML Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Thorsten, On Tue, Mar 26, 2024 at 4:44=E2=80=AFAM Thorsten Leemhuis wrote: > > Lo! Just booted 6.9 for the first time and noticed the Bluetooth code > causes an Oops (see below) during boot that did not happen with 6.8 and > earlier. This is on Fedora 40 with a vanilla kernel on a Lenovo Thinkpad > T14s Gen1 AMD. > > Do I need to bisect this? Or is this known already? Or does anyone by > chance an idea what might cause this? Or is there some other way to get > down to the problem? > > Ciao, Thorsten > > [Full dmesg: https://www.leemhuis.info/files/misc/dmesg-6.9-btprob] > > [ 19.903869] Bluetooth: hci0: Found device firmware: intel/ibt-20-1-3.s= fi > [ 19.903908] Bluetooth: hci0: Boot Address: 0x24800 > [ 19.903913] Bluetooth: hci0: Firmware Version: 255-255.255 > [ 19.906245] usb 6-4: USB disconnect, device number 3 > [ 19.906364] usb 2-2: Found UVC 1.50 device Integrated Camera (04f2:b6c= b) > [ 19.906583] Bluetooth: hci0: FW download error recovery failed (-19) > [ 19.906649] Bluetooth: hci0: sending frame failed (-19) > [ 19.906666] BUG: kernel NULL pointer dereference, address: 00000000000= 00070 > [ 19.906672] #PF: supervisor read access in kernel mode > [ 19.906677] #PF: error_code(0x0000) - not-present page > [ 19.906681] PGD 0 P4D 0 > [ 19.906688] Oops: 0000 [#1] PREEMPT SMP NOPTI > [ 19.906701] Hardware name: LENOVO 20UH001HGE/20UH001HGE, BIOS R1CET77W= (1.46 ) 10/26/2023 > [ 19.906706] Workqueue: hci0 hci_power_on [bluetooth] > [ 19.906775] RIP: 0010:btintel_read_debug_features (/usr/src/debug/[...= ]/drivers/bluetooth/btintel.c:1306) btintel Seem like the following could be reason: https://patchwork.kernel.org/project/bluetooth/patch/20240326164317.1460864= -1-luiz.dentz@gmail.com/