From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.gmx.net (mout.gmx.net [212.227.15.15]) (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 6A79C35203D; Thu, 3 Sep 2026 22:47:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.15.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788475644; cv=none; b=jR+Vci7UXeMF31klcIQ9M9oihurK/1V3UexkQpIr4DKRMiTI0yLU0AFmy0jjLVuzS4FtsoEkYENL0JSeeNwrEQHzvFdJPTJeSitW/iGhA3biBzWexo2HU4nS8Upe6ozjgBVmmJYbyr/1fKj7dIt8PzwLbTtm4aGdZlusX0V1NhE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788475644; c=relaxed/simple; bh=Fw/39VPGJMV+S1rqX3otK3BY/RkIua46XLFzdlV95GQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=RYCuiBJ0Be3qmpMJcMU8FlWbxXeTaDKLf2CDIAGHAYSwQjJafG2fzJD4g03lTwlT42MUSN2+w9op7SB0xgQL+oyHtRvuFa1VsWO8JNh1oruLEyyyIec8C1dMcrlU4IJDJ22+VksnrG04Qr8Rvtl8pEMyCrc5RIpfXma8Dnlsdwg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gmx.de; spf=pass smtp.mailfrom=gmx.de; dkim=pass (2048-bit key) header.d=gmx.de header.i=w_armin@gmx.de header.b=HE6PwqNy; arc=none smtp.client-ip=212.227.15.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gmx.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmx.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmx.de header.i=w_armin@gmx.de header.b="HE6PwqNy" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmx.de; s=s31663417; t=1788475622; x=1789080422; i=w_armin@gmx.de; bh=Fw/39VPGJMV+S1rqX3otK3BY/RkIua46XLFzdlV95GQ=; h=X-UI-Sender-Class:Message-ID:Date:MIME-Version:Subject:To:Cc: References:From:In-Reply-To:Content-Type: Content-Transfer-Encoding:cc:content-transfer-encoding: content-type:date:from:message-id:mime-version:reply-to:subject: to; b=HE6PwqNyW7NDKDPdNVusjiaTTUMyqvbYzw2xiLfsaP3o+OS6b3AXN3KUouo9z4xE TpiQt9r2Ksu9LIIZbZXffxZbwZ5Mmyl31sqRG3y2ifliwXuHh7ZlCeqBWejhkwlEs 1KXdOzSDLuN3MDegWNsd8EVfWhGDL9Ft8JSHssLoq7iIT3sgwuzfPakfBGQAjn6gD 3BfMHRvaRKLH807FXPXVZ01XPbf4ZGLANzjaKXkwu5dzAmldk6JLakUPsrp8Nrpqi j7Xn6i0kjRT8A1pRWv9V6vNFOpQcv7oVhjEinPQsrUaRLwgQOuDRUreEFTOojN9aJ Tjq/JXbbufaQvFhQ0A== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from client.hidden.invalid by mail.gmx.net (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1Mn2aD-1wd4Wf2E23-00ijtw; Fri, 04 Sep 2026 00:47:02 +0200 Message-ID: <02dc7eb6-6d0d-4c0c-af10-b831d3f8ba06@gmx.de> Date: Fri, 4 Sep 2026 00:47:01 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [BUG] SPD5118 Intermittent MR11 Corruption During Suspend/Resume To: Guenter Roeck , Matthew Bettencourt Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, "Rafael J. Wysocki" , "linux-acpi@vger.kernel.org" References: <46191fa9-fa4a-4c16-b618-2c0c6dc09102@gmx.de> <531be24a-bad0-40f6-8e30-3d4da565afcb@gmail.com> <0388506d-9ddc-4825-bf28-95c8eef219b6@gmail.com> <57a05dea-3cce-4ecf-bbe1-ab7464f8c224@gmx.de> <474a37bb-0774-4710-8458-ea28d7c54c89@gmx.de> <7ca2e621-e0a1-4eee-bcd1-2ded610f1beb@gmail.com> <5480c69c-8e98-443e-96d7-30e64e886373@roeck-us.net> Content-Language: en-US From: Armin Wolf In-Reply-To: <5480c69c-8e98-443e-96d7-30e64e886373@roeck-us.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:+UDIw/3/2HiqIOSOnHgU9KGabzFnHwuwpxWOM3pra72mBzxjyCP oY4k55nvU6yBXRZfJbxPam8dj1Mg5JWQpq81uGXnYNlq3b3qEANNcrfQHmVYwIcIjLJ6ita tMF68LPJUIwapb7h7NViDHVPfkN1GaHuDe5sAD+7w4bFUjh8uR+7h/OO9iaY4psYjqQSNq1 2ApaZ3e+IptZ7Zqwr9BOQ== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:RuAnbtgxKpk=;btevXHpyDer61GBQZoiT8B8cF2l 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4wzfUbyK6TeHWwRwG/O2S1IenZ44ToopZWDdbGMZ1hUUza8/UlX5XhWL8LmOyn07OFOIeVyFc D3YAFmNb8y4cw+lE/9rxFUSrsb2EDJ+XtR0yEFj7HGRGD3CjFq/amQKub+voQb89JdAN3EkEP p33MSGGaFQKhfUFRwhWFo/qYlokA/iKw3unoFgUD10oUbcRlBFy4c5wU5GX8imixW1RuPve5J sWO1+GqxJOOXa66gqK+2lwhKBhU3f3DmLa8OQf2jJZfHux9Gr1O8DLOB+tpovImbQuvqjX5a3 yG1/nZSLI9v/+q5aapQiIl3Xus5kD4JdVc9HhK721zRO2K4u4UQkmraGk/4ITdahJF0HrBpRQ 4vDtbVKcE2AFyCLyCUhhRJhTLb3Mbqf5FmBxCDJDRUQM7OgLCO1mGZj9knAw3LF2eWQ/JLcSW duApmNWPCffk4YXjZGwt4bHM4DJhVWBkHwUMaN7MRXPdQanfEDFcIadTX4TuMaZkByIsZ8eTc gyg1oD361tn6rQ4iSzNkgbTInU28SdjQCwaKWHih/KG79jA4cDETKRwQp4FqgA== Am 03.09.26 um 23:05 schrieb Guenter Roeck: > Hi Matthew, > > On 9/3/26 11:25, Matthew Bettencourt wrote: >> Hello Guenter, >> >> =C2=A0> This system [MSI PRO B850M-A WIF/7600x3d] does _not_ have a=20 >> problem, or did I misunderstand the above ? >> >> That is correct. I was unable to replicate the issue with the MSI PRO= =20 >> B850M-A WIF and 7600x3d. The MR11 registered never got corrupted=20 >> during sleep/resume and I never saw any piix4 errors logged when=20 >> using my piix4 driver with the additional logging enabled. >> >> I never swapped the CPUs as that was more hassle than I was willing=20 >> to do right now, but if it something that might be useful I can=20 >> probably try that at some point. >> > I don't think that would help. From all the reports I browsed through > so far, the common denominator seems to be that the affected systems use > a X870 or X870E chipset. > > Anyway, couple of ideas: > > - Do you have the latest BIOS installed on your system ? > =C2=A0 Some statements online seem to suggest that the problem > =C2=A0 _may_ be fixed with the latest BIOS on at least some > =C2=A0 of the affected systems. > > - Please boot the affected system with "usbcore.autosuspend=3D-1" > =C2=A0 kernel command line parameter. > =C2=A0 There are some claims online that this might resolve the problem. > =C2=A0 I have no idea why that would be the case, but I guess it does > =C2=A0 not hurt trying. Of course, if that _does_ work, we have yet anot= her > =C2=A0 mystery to solve. > > - Do you have memory with RGB-anything in the affected system ? If so, > =C2=A0 is it controlled by the BIOS ? If yes, please disable the functio= nality > =C2=A0 if that is possible. > > Thanks, > Guenter=20 According to the output of /proc/ioports, the root issue seems to be that = the ACPI firmware drives the SMBus controller and marks the affected IO ports as reserved, b= ut acpi_check_region() still tells the driver that the IO ports are available. I already CCed the ACPI people to take a look at this. Thanks, Armin Wolf