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[185.104.138.47]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-427fc95707esm149366595e9.0.2024.07.29.04.29.02 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 29 Jul 2024 04:29:03 -0700 (PDT) Message-ID: <6dfb58d7-0b36-4414-bc01-75697077fd27@redhat.com> Date: Mon, 29 Jul 2024 13:29:00 +0200 Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: "EC: Install address space handler at the namespace root" causing issues for some users From: Hans de Goede To: "Rafael J. Wysocki" Cc: linux-acpi References: <1f76b7e2-1928-4598-8037-28a1785c2d13@redhat.com> Content-Language: en-US In-Reply-To: <1f76b7e2-1928-4598-8037-28a1785c2d13@redhat.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi, On 7/29/24 1:15 PM, Hans de Goede wrote: > Hi Rafael, > > There are 2 bug reports: > > 1. Brightness up/down key-presses no longer working on LG laptop (acpi-video related): > https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/thread/V2KWAGZIAX4TOWPCH6A6FSIT66PR3KMZ/ > > 2. EC related ACPI errors and bad performance: > https://bugzilla.redhat.com/show_bug.cgi?id=2298938 > > Both of which started with 6.9.7 which has the 2 commits related to "EC: Install > address space handler at the namespace root" from 6.10 backported: > > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/drivers/acpi?h=v6.9.7&id=2b2b0ac1533d790690d6d28899f01a2924d54d4d > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/drivers/acpi?h=v6.9.7&id=9750135f2f326879889ed60ccd68b96572dfa6ee > > i have build a test 6.9.9 kernel with these 2 reverted and 1. is confirmed to be fixed > by reverting these 2 commits. Although the user does report an IRQ storm on the ACPI IRQ > (IRQ 9) related to thunderbolt after this. > > I have not yet got confirmation that the second bug is also resolved by the commits. ... resolved by *reverting* the commits. > Either way it looks like we need to dig into this and figure out what is causing > these EC related regressions. I'm wondering if maybe this is also somewhat related to commit e2ffcda16290 ("ACPI: OSL: Allow Notify () handlers to run on all CPUs") ? I guess not though since this started in 6.9.7 and 6.9.6 is fine. I did recently submit an unrelated fix caused by e2ffcda16290: https://lore.kernel.org/platform-driver-x86/20240729110030.8016-1-hdegoede@redhat.com/ Regards, Hans