From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from dimidiatus.zash.se (dimidiatus.zash.se [185.97.32.56]) (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 5A9E3EEA8; Sat, 31 May 2025 22:13:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.97.32.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748729620; cv=none; b=M+YoGxQcKBWi6eJIG/NaVLYoyDmWNhF6j5eFMh9GP+frKGEnMigYDvKoDWHWmcAYYOF9UrI34oFAo5Lwt9BQHA6/NKzMXfHfsuKsytcSc9HHZe9kKAU12ArN/dKMF+8r+VVweJih0IaywZPA+P+2eCZ0GcYZU6W63SGmK8m4KRk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748729620; c=relaxed/simple; bh=EufhE4khXJfcXaIToKySlWjWh0rkPLuopmauJx8nfF8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=a13PW8zFeYyHOhYcujEo5JyftGE6qiCSqEnlIBrWVRPSPaI8GSwizS1JAqiBa+FwY19NkrVP1FSNdgY7yRYujqoFJQBnAiwfWBeWzvbNa28TqeFCL8bpYNky7NiPVEG/72Uw1su4BsqXBel/K5Vt64UsYIk8K3ZFk/n/Z4wedr8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=zash.se; spf=pass smtp.mailfrom=zash.se; dkim=pass (2048-bit key) header.d=zash.se header.i=@zash.se header.b=jJvRM59/; arc=none smtp.client-ip=185.97.32.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=zash.se Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=zash.se Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=zash.se header.i=@zash.se header.b="jJvRM59/" Received: from mail.zash.se (cerdale.zash.se [IPv6:2a00:66c0:7:1::cd1e]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (Client did not present a certificate) by dimidiatus.zash.se (Postfix) with ESMTPS id 958E719F5D8; Sun, 1 Jun 2025 00:05:14 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zash.se; s=2025; t=1748729105; bh=SVotxztx5CJUQc5mS0Q1kj0N0+zv2DMFiBjZ7PfRb3s=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=jJvRM59/TB7v+qAsievCIxoXPQ7HUOs3PNoXZWguAzaFIVEQ4j+Vt8ic2WdEiqYUt YoyVBrWTNWYUq2fv4Vp1MVDL5P32SZnM8Ijsfw3PotFs7duJXUd3keVcrC1suyxuoL CKicMw0Pn4wLfoqVyZZCzTSAqBt8eMwRsqlrkBTR6gTm1Ozm4C0RIiWfbQdd8kFp1I PM9pfEruXnMlFUjEINDm3BN8l5ksFYLrZgcfQw/vAqJyUVcYxPEMQnOScNesLU1155 MAQYMfNTxpfzdbanXwUAhKrfzAJvFwxhREdN18a+OVxinb2aUs/85Z5MsYgsRuLxB2 63o0yD50N4XBw== Received: from localhost (localhost [::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mail.zash.se (Postfix) with ESMTPSA id B4C376E0076; Sun, 1 Jun 2025 00:05:04 +0200 (CEST) Date: Sun, 1 Jun 2025 00:05:02 +0200 From: Kim Alvefur To: Salvatore Bonaccorso Cc: 1106411@bugs.debian.org, Stephan Gerhold , Jonathan Cameron , Lars-Peter Clausen , linux-iio@vger.kernel.org, Andy Shevchenko , Peter Zijlstra , linux-kernel@vger.kernel.org Subject: Re: kernel NULL pointer dereference in bmc150_accel_core / RIP: 0010:bmc150_accel_set_interrupt+0x68/0x120 [bmc150_accel_core] Message-ID: References: <174809774197.3242.15028356144506391196.reportbug@spisula.zash.se> <174809774197.3242.15028356144506391196.reportbug@spisula.zash.se> 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; format=flowed Content-Disposition: inline In-Reply-To: Jabber-ID: zash@zash.se On Sat, May 31, 2025 at 09:34:03PM +0200, Salvatore Bonaccorso wrote: >On Fri, May 30, 2025 at 07:42:12PM +0200, Kim Alvefur wrote: >> So far it seems to happen on every boot, between unlocking LUKS and the >> login manager starting. >> >> I wonder if this is related to another symptom this machine has, where >> it fails to complete suspend and goes into a state where the only action >> that has any effect is a long-press of the power button to turn it off. > >Looking through the boot log I'm noticing the following: > >> May 30 19:21:47 spisula kernel: bmc150_accel_i2c i2c-BOSC0200:00: supply vdd not found, using dummy regulator >> May 30 19:21:47 spisula kernel: bmc150_accel_i2c i2c-BOSC0200:00: supply vddio not found, using dummy regulator >[...] >> May 30 19:21:47 spisula kernel: bmc150_accel_i2c i2c-BOSC0200:base: supply vdd not found, using dummy regulator >> May 30 19:21:47 spisula kernel: bmc150_accel_i2c i2c-BOSC0200:base: supply vddio not found, using dummy regulator > >and iio-sensor-proxy might fail to handle then the bosch 0200 >accelerometer. You proobably cannot temporary purge the >iio-sensor-proxy if installed by reverse dependencies, but might you >try to temporarily mask the service and retest a boot? That seems to have an effect, no "BUG: ..." in dmesg now, and the machine made it trough a suspends and resume cycle. -- Kim "Zash" Alvefur