From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 413442E265B for ; Mon, 11 Aug 2025 16:13:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754928783; cv=none; b=e64cSR/ZjirictqYGuGLc7Ev1ZOV2+X/vt4kxdxE6cSFHigl/T0FChb0A9/r+1vZ7LYtMj9HRpo4rB74Ojlnb6dIsWEhvZsqyGHSbtsjTiuC+4XM8eBNRqzr5MiTM7bK+PtumyudjXKbb+MBKwjchwlx1pgJTIy+SeJ7npaiaoE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754928783; c=relaxed/simple; bh=sdcquYL9LCEdj0rf4SjNKoacwa3L7q0NPmRbFt63VgM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=DKglbaiLVSrXsF3DcQv18L4Vki9H11GMm9Xg2cLwgtLEivMK9GAcRbp2pV8DzKA+1EAtm1QVcb85o60734/Es64Q3YsiLcnSBwDzw+SO1irpNG6hlhgbW0j18H2PPOV8AUn97GyyMRr9ySA/b2x4bGBgqGXoc5ExR1RG/+YTEcM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WSyh0M2p; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WSyh0M2p" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3A02FC4CEED; Mon, 11 Aug 2025 16:13:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1754928782; bh=sdcquYL9LCEdj0rf4SjNKoacwa3L7q0NPmRbFt63VgM=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=WSyh0M2pKerUaE6ZU/c25KWrQzfnS5upssYVicTGvR+Gj+gEhHlDc5RnZpf6aGAQA owMm7ZcWzqIS3i4k8mgvk1pfgY15q5+H5LX4wTjDWnMLnG+73sfqvxijUb8TCf5n/e 6sw9rviRAasvexyubCFsdJ5ur8w8DWqlgAo0LY4lIncToCc0y9C7ck9bfSkQMBtETf WewFxgX6k6qFUTPcJMngbXNWauoxaVhKKEDxk+Xu3txIThNjBKtAHk6tK9jqDgbLX1 GI9ZkCeDj7sW13JKpRbJImOm1ZsjNbpKVktrqeE8OtRf6C2/WxI9ER4LQJJNhT7+gW Gc31F9lilPPlg== Message-ID: Date: Mon, 11 Aug 2025 18:12:59 +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: Christian Zigotzky 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> Content-Language: en-US From: Sven Peter In-Reply-To: <2810E95B-8DB4-48CB-80F6-DF01EB7BEEFC@xenosoft.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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