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Wysocki" Subject: Re: [PATCH 4.19 025/361] ACPICA: AML interpreter: add region addresses in global list during initialization Message-ID: <20181112192546.GB2263@kroah.com> References: <20181111221619.915519183@linuxfoundation.org> <20181111221623.163909820@linuxfoundation.org> <9da1c8e8-d237-11b3-8918-859a4bbdbcc4@applied-asynchrony.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <9da1c8e8-d237-11b3-8918-859a4bbdbcc4@applied-asynchrony.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 12, 2018 at 07:30:57PM +0100, Holger Hoffst?tte wrote: > On 11/11/18 11:16 PM, Greg Kroah-Hartman wrote: > > 4.19-stable review patch. If anyone has any objections, please let me know. > > As probably expected this patch causes problems. In my case one server > can no longer load the nct6775 hwmon module, which means the fan cannot be > monitored, and therefore my monitoring system promptly starts spamming me with > alerts that my fan has failed - which is of course not true. > > --snip-- > Nov 12 18:08:56 tux kernel: nct6775: Found NCT6776D/F or compatible chip at 0x2e:0x290 > Nov 12 18:08:56 tux kernel: ACPI Warning: SystemIO range 0x0000000000000295-0x0000000000000296 conflicts with OpRegion 0x0000000000000290-0x > Nov 12 18:08:56 tux kernel: ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver > --snip-- > > This is certainly caused by my old BIOS and its broken ACPI implementation, > however since it's working perfectly fine otherwise I see no reason to replace > it. That being said, I must be able to monitor my fan, so for now reverting > the patch immediately "fixed" the problem for me - the fan entries appeared > in sysfs again after successfully loading the module. > > Idea, workarounds or patches welcome. So Linus's tree is also "broken" for your hardware? thanks, greg k-h