From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mo4-p00-ob.smtp.rzone.de (mo4-p00-ob.smtp.rzone.de [81.169.146.221]) (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 D058329BDB1 for ; Mon, 11 Aug 2025 16:57:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=81.169.146.221 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754931454; cv=pass; b=e6TVPNBSBmeSmrawvPL7quhPVZHhn4Nl0TTuyLHIZJCcFFCWr4Rto1fsuvK1FP0gnKY4V6ZKD96o24Guw26n7K/t5QfGSSJDwCgLt2p0O4QxsgZSjoMWFigY7Qeu8FKmR6ak8VR5NCyiMQiFGdtxRinLTquhLN2IzVbf6+h34m4= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754931454; c=relaxed/simple; bh=S4d6lUauKiLAjxjjc0O+HQqoG9EEEDfb69SWiRd0b5k=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=VUB3LLWQb8Rn75I2YuITngvhD0YxSasQGGfxnj3OkJrOyLx4zh+GrbYMSqF8kQwdClc9x7uUlVzu2PoiO2Ci+NXmz/CXFplZIg224GnQhALT5JESYYeW3kYHDKsFEVhD9gq5XOoU2ChljIs/95RknaPZO2ezW8l0fOMTdo7q2NQ= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=xenosoft.de; spf=none smtp.mailfrom=xenosoft.de; dkim=pass (2048-bit key) header.d=xenosoft.de header.i=@xenosoft.de header.b=S+112Bm1; dkim=permerror (0-bit key) header.d=xenosoft.de header.i=@xenosoft.de header.b=pknGW+py; arc=pass smtp.client-ip=81.169.146.221 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=xenosoft.de Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=xenosoft.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=xenosoft.de header.i=@xenosoft.de header.b="S+112Bm1"; dkim=permerror (0-bit key) header.d=xenosoft.de header.i=@xenosoft.de header.b="pknGW+py" ARC-Seal: i=1; a=rsa-sha256; t=1754931422; cv=none; d=strato.com; s=strato-dkim-0002; b=Lfw3xhcT9e6Bv/tFrVbfmfVMXrmLMvIMUgG7mXTPmEZpaYSlZ8UpQxNIuzviMFMGyM KAlFZo9CCgnEUWnXBGZ9fWIAfVbYUDmcua0qDwe9s/kX+FrGHCetR8jORnCshCiKxRIc GgY2HBiVX3dD/DCpr2jbbOaHYKdZxR/grzRFl308JkUESh1pEmIm9aZqCyA0Z3/Ss/2D YKjJxnbTXI89X3r9Yz5JzvMOuEQ4anfhCdTtCt9IfjgoRfrkmx4ayXmA9PQ7igCMiydq Tau6XbgfAa27FOA3fS3UCrX16ehJ5nE2wZvM4Fb/2pACCOSJ//az5g77udBAyvSngVJo 7V0A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; t=1754931422; s=strato-dkim-0002; d=strato.com; h=In-Reply-To:From:References:Cc:To:Subject:Date:Message-ID:Cc:Date: From:Subject:Sender; bh=tru+5MX/zJL5yTAewuscQjg5+n2+3GfPhnXXJk3grEM=; b=ayp0DflGPYpEvy+i8uI9xvuJp8StcomzRReLOEQ33/Q3M2Q6F0FHNDW+a5/HbTPNru i5/jxFbfi8L9RY5J8YmPuXQqHuGr4j7AQsSgtImrqBWWeFfsaJfFjSL7rgbH8bYyReI1 3Xrr0da3hSYFLhUMj4QFriJsr06SNkI0xZeYr9D0zG3+WX0rW3Lc8lWflkxqlA/d6H8Y ReV2Nq01+qZWf2KQ8ZQ5OIQVlWG6kaMpa0chKYFUdupRNeNx8SLtnbSs/ZUYc3L3ht/Q 8mT0KGKS/gwTI6QfWDkTGXstT2glVMIy0Qx8hIyIvS7OouZQ1975NO4nDLjHJUr0Ed+h eQOA== ARC-Authentication-Results: i=1; strato.com; arc=none; dkim=none X-RZG-CLASS-ID: mo00 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1754931422; s=strato-dkim-0002; d=xenosoft.de; h=In-Reply-To:From:References:Cc:To:Subject:Date:Message-ID:Cc:Date: From:Subject:Sender; bh=tru+5MX/zJL5yTAewuscQjg5+n2+3GfPhnXXJk3grEM=; b=S+112Bm1mdbtr0garHnXK5JDGLGSnPCvGFT6lK9gkoaqRt4TzwjyWWaGV9bJMSkUVS FxRrRCLJk1O76xr/k+6HFMInHm2yf6p/BP4qOf1lNKz+Bh2RmRY89gLhm1fgw+CXFtJ6 kKzYfuaDdCYkwFTrJHBM1kSjEN5FIUItjChRUkhAZr0irfMmHeFvTpCHgU7SdB41ZD9S VxCbWFcuflib4tF8Hco3qT+Hb4UcGMP5bnly5cfALUzqDwYVCZ2e5yoNArDJxRa6fZVC 0QrhqDqVCE1wdzzjO84v1GPtjWj+0GXi+PMX4mn6Jlr5D2h8LKlzSFr4RWKXsIwQ+ecc Vbtw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; t=1754931422; s=strato-dkim-0003; d=xenosoft.de; h=In-Reply-To:From:References:Cc:To:Subject:Date:Message-ID:Cc:Date: From:Subject:Sender; bh=tru+5MX/zJL5yTAewuscQjg5+n2+3GfPhnXXJk3grEM=; b=pknGW+pyQwNG08NReh2VUn37gevhUkAdcLJ9869doyIbSywRStSDkwPlE8lwh4g7Ds UItxZWsSi42H03p4CaAw== X-RZG-AUTH: ":L2QefEenb+UdBJSdRCXu93KJ1bmSGnhMdmOod1DhGN0rBVhd9dFr6P1rfO5KiO55fErqk+SEbqP8NhOCyDhaDCIbC4OSPncFYTSyvQv/KQ==" Received: from [IPV6:2001:16b8:5039:2800:ccef:2896:9625:9203] by smtp.strato.de (RZmta 52.1.2 AUTH) with ESMTPSA id e6066c17BGv1EYY (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Mon, 11 Aug 2025 18:57:01 +0200 (CEST) Message-ID: <5e0a55a9-10ff-4594-aada-34eb31b2d8aa@xenosoft.de> Date: Mon, 11 Aug 2025 18:59:43 +0200 Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: i2c-pasemi messages since kernel 6.16 To: Sven Peter Cc: linux-i2c@vger.kernel.org, linuxppc-dev , mad skateman , "R.T.Dickinson" , hypexed@yahoo.com.au, Christian Zigotzky References: <2810E95B-8DB4-48CB-80F6-DF01EB7BEEFC@xenosoft.de> From: Christian Zigotzky In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 11 August 2025 at 06:12 pm, Sven Peter wrote: > hi, > > On 10.08.25 18:47, Christian Zigotzky wrote: >> Hello Sven, >> >> Since the kernel 6.16 we have the following messages during the boot. >> >> [    9.459706] i2c-pasemi 0000:00:1c.0: NACK, status 0x08210100 >> [    9.649736] i2c-pasemi 0000:00:1c.0: Issuing reset due to status >> 0x08210100 (xfstatus 0x00000001) >> [    9.690696] i2c-pasemi 0000:00:1c.1: NACK, status 0x08210100 >> [    9.708651] i2c-pasemi 0000:00:1c.1: Issuing reset due to status >> 0x08210100 (xfstatus 0x00000001) >> [    9.892693] i2c-pasemi 0000:00:1c.2: NACK, status 0x08210100 >> [    9.911535] i2c-pasemi 0000:00:1c.2: Issuing reset due to status >> 0x08210100 (xfstatus 0x00000001) >> >> What exactly do these messages mean? > > Do you just see these messages or are there also any other issues like a > device on the i2c bus not working anymore when it worked fine before? > We added some additional logging recently and I suspect that this has > always been happening and no one noticed. > > > > Sven > > Hello Sven, Thank you for your answer. I just see these messages. There aren't any other issues. Further information: $ cat /proc/version Linux version 6.12.22-powerpc64-smp (geeko@buildhost) (powerpc64-suse-linux-gcc (SUSE Linux) 7.5.0, GNU ld (GNU Binutils; devel:gcc / SLE-15) 2.43.1.20240828-150300.536) #1 SMP Tue Apr 8 09:47:26 CEST 2025 $ sudo dmesg | grep -i i2c [ 5.032840] i2c_dev: i2c /dev entries driver [ 5.440998] i2c i2c-9: Detected TI TMP423 chip at 0x4c $ sudo i2cdetect -l [sudo] password for christian: i2c-3 i2c Radeon i2c bit bus 0x93 I2C adapter i2c-10 i2c PA Semi SMBus adapter (0000:00:1c.1) I2C adapter i2c-1 i2c Radeon i2c bit bus 0x91 I2C adapter i2c-8 i2c card0-DP-1 I2C adapter i2c-6 i2c Radeon i2c bit bus 0x96 I2C adapter i2c-4 i2c Radeon i2c bit bus 0x94 I2C adapter i2c-11 i2c PA Semi SMBus adapter (0000:00:1c.2) I2C adapter i2c-2 i2c Radeon i2c bit bus 0x92 I2C adapter i2c-0 i2c Radeon i2c bit bus 0x90 I2C adapter i2c-9 i2c PA Semi SMBus adapter (0000:00:1c.0) I2C adapter i2c-7 i2c Radeon i2c bit bus 0x97 I2C adapter i2c-5 i2c Radeon i2c bit bus 0x95 I2C adapter $ cat /proc/version Linux version 6.16.0-powerpc64-smp (geeko@buildhost) (powerpc64-suse-linux-gcc (SUSE Linux) 11.5.0, GNU ld (GNU Binutils; devel:gcc / SLE-15) 2.43.1.20240828-150300.536) #1 SMP Mon Jul 28 06:44:21 CEST 2025 $ sudo dmesg | grep -i i2c [sudo] password for christian: [ 3.381852] i2c_dev: i2c /dev entries driver [ 3.591326] i2c-pasemi 0000:00:1c.0: NACK, status 0x08210100 [ 3.604687] i2c-pasemi 0000:00:1c.0: Issuing reset due to status 0x08210100 (xfstatus 0x00000001) [ 3.623181] i2c i2c-9: Detected TI TMP423 chip at 0x4c [ 3.640313] i2c-pasemi 0000:00:1c.0: NACK, status 0x08210100 [ 3.653561] i2c-pasemi 0000:00:1c.0: Issuing reset due to status 0x08210100 (xfstatus 0x00000001) [ 3.667314] i2c-pasemi 0000:00:1c.0: NACK, status 0x08210100 [ 3.680416] i2c-pasemi 0000:00:1c.0: Issuing reset due to status 0x08210100 (xfstatus 0x00000001) [ 3.694312] i2c-pasemi 0000:00:1c.0: NACK, status 0x08210100 [ 3.708309] i2c-pasemi 0000:00:1c.1: NACK, status 0x08210100 [ 3.721268] i2c-pasemi 0000:00:1c.1: Issuing reset due to status 0x08210100 (xfstatus 0x00000001) [ 3.735309] i2c-pasemi 0000:00:1c.1: NACK, status 0x08210100 [ 3.748276] i2c-pasemi 0000:00:1c.1: Issuing reset due to status 0x08210100 (xfstatus 0x00000001) [ 3.762309] i2c-pasemi 0000:00:1c.1: NACK, status 0x08210100 [ 3.775289] i2c-pasemi 0000:00:1c.1: Issuing reset due to status 0x08210100 (xfstatus 0x00000001) [ 3.789309] i2c-pasemi 0000:00:1c.1: NACK, status 0x08210100 [ 3.802265] i2c-pasemi 0000:00:1c.1: Issuing reset due to status 0x08210100 (xfstatus 0x00000001) [ 3.816315] i2c-pasemi 0000:00:1c.1: NACK, status 0x08210100 [ 3.830308] i2c-pasemi 0000:00:1c.2: NACK, status 0x08210100 [ 3.843392] i2c-pasemi 0000:00:1c.2: Issuing reset due to status 0x08210100 (xfstatus 0x00000001) [ 3.857308] i2c-pasemi 0000:00:1c.2: NACK, status 0x08210100 [ 3.870637] i2c-pasemi 0000:00:1c.2: Issuing reset due to status 0x08210100 (xfstatus 0x00000001) [ 3.884307] i2c-pasemi 0000:00:1c.2: NACK, status 0x08210100 [ 3.897148] i2c-pasemi 0000:00:1c.2: Issuing reset due to status 0x08210100 (xfstatus 0x00000001) [ 3.911309] i2c-pasemi 0000:00:1c.2: NACK, status 0x08210100 [ 3.924874] i2c-pasemi 0000:00:1c.2: Issuing reset due to status 0x08210100 (xfstatus 0x00000001) [ 3.939307] i2c-pasemi 0000:00:1c.2: NACK, status 0x08210100 [ 9.335546] i2c-pasemi 0000:00:1c.0: Issuing reset due to status 0x08210100 (xfstatus 0x00000001) sudo i2cdetect -l [sudo] password for christian: i2c-3 i2c Radeon i2c bit bus 0x93 I2C adapter i2c-10 i2c PA Semi SMBus adapter (0000:00:1c.1) I2C adapter i2c-1 i2c Radeon i2c bit bus 0x91 I2C adapter i2c-8 i2c card0-DP-1 I2C adapter i2c-6 i2c Radeon i2c bit bus 0x96 I2C adapter i2c-4 i2c Radeon i2c bit bus 0x94 I2C adapter i2c-11 i2c PA Semi SMBus adapter (0000:00:1c.2) I2C adapter i2c-2 i2c Radeon i2c bit bus 0x92 I2C adapter i2c-0 i2c Radeon i2c bit bus 0x90 I2C adapter i2c-9 i2c PA Semi SMBus adapter (0000:00:1c.0) I2C adapter i2c-7 i2c Radeon i2c bit bus 0x97 I2C adapter i2c-5 i2c Radeon i2c bit bus 0x95 I2C adapter Cheers, Christian