From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.gmx.net (mout.gmx.net [212.227.15.19]) (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 A9E493B2FF7; Sun, 30 Aug 2026 11:59:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.15.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788091153; cv=none; b=QJKBoGoueyZCoBjOh7b/8ei/v32PoKIyxI815/u10hhbj54HiCxwqzQ2ByQIZ2rn/fdEE1usIQQXwMPQvTKQjqkuQlRPvOeM9nyKaSAQLL4SO3eSaPBqoFVfbhxJlYCDjkpAeaYNYvHW0SlryADvrDu1JecYp4Rp1dGpPCsJIR8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788091153; c=relaxed/simple; bh=e6WAB/+lIYO7N27v5+AWnrik/PxpYHceqPeHTwgJoyM=; h=Content-Type:Message-ID:Date:MIME-Version:Subject:To:Cc: References:From:In-Reply-To; b=IfA47n92I8oyIIYx69lSwLzr1iSvJ6DblfBjvZUIkv7lkUar2FvKF6BMFlpmRJ+TzbbouvBKzWyMXYiJKhYYOsKu2ZRgel6PYq+Fjvv49Qro23HneeKuCNMi1Bqr7LVdqJlNc5dRilPxzrs6euPvZhzliSeuZ31U7CHQaLe9KPk= 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=UMrB7fwW; arc=none smtp.client-ip=212.227.15.19 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="UMrB7fwW" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmx.de; s=s31663417; t=1788091130; x=1788695930; i=w_armin@gmx.de; bh=e6WAB/+lIYO7N27v5+AWnrik/PxpYHceqPeHTwgJoyM=; h=X-UI-Sender-Class:Content-Type:Message-ID:Date:MIME-Version: Subject:To:Cc:References:From:In-Reply-To:cc: content-transfer-encoding:content-type:date:from:message-id: mime-version:reply-to:subject:to; b=UMrB7fwWiv2Gn8ZrjW5eftS3zswyXEy+wev5UQM36sqH90yn2SjNEScxGDuHpr1Y KGt9RkuFldiggJF6SGrh7pE0B3cBvrPROtLqPZl9OrrRz29ILq8SMVCKh1Cwfm5Ib zU96kvlfOOTQ4bAIWHT4o5uGu19+KoGauZPCCc9zG1mPWRHNv/54YBNW3Zr2tyxAq vDWhFj9HGa0rddwWkL401SiE+87oveWlG/Uhmvw/jwDRDuBryBc262RGqCz8fmVsZ 3Bl4JCBUICASKWtXwq/S0hYpwkNB8ixUzDLT6iBulKFCLIfS7Epou1a3FViVkkQsO 4MysSMnr9RP84B4uUQ== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from client.hidden.invalid by mail.gmx.net (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1M6lpM-1wxsE02eIo-000eGR; Sun, 30 Aug 2026 13:58:50 +0200 Content-Type: multipart/mixed; boundary="------------TJfJ6Ov7FFoDHUudAnDhftQu" Message-ID: Date: Sun, 30 Aug 2026 13:58:48 +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: asus-laptop: Fn hotkeys no longer work on ThinkPad SL400 after 378500dc1313 ("platform/x86: asus-laptop: Register ACPI notify handler directly") To: Salvatore Bonaccorso , Jun MO , 1146124@bugs.debian.org, "Rafael J. Wysocki" , Denis Benato , =?UTF-8?Q?Ilpo_J=C3=A4rvinen?= , Corentin Chary , Hans de Goede Cc: platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, regressions@lists.linux.dev References: <178806598504.23591.11490486941444891398.reportbug@localhost> <178807922598.807847.18300931641658404390@eldamar.lan> Content-Language: en-US From: Armin Wolf In-Reply-To: <178807922598.807847.18300931641658404390@eldamar.lan> X-Provags-ID: V03:K1:O9eCqGIc5Ng1WzDjISt+pBAWYJrO6FLL1tkw8Wlf5IU2aHUOuZl PI2I9JiFQPpZy4sVLY951i5tu0qMCL5pxHXk4o9IZXM+dTxcBEgfFs8+h7BbOjZYGrBMUjk JyPgYz6t3q3STUX2ouH5GKB3J1ta8gFS46QkRQSvlNvex7gN/h4KyVbdOfbHgQxJiLtrXns lvQHax3S8uhHbi2w9L41w== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:wDbEyiJWeVQ=;4E3oXB8ZuYrWz0L5Qj2GUTEIe1T AhV9rmGACsNDLqa0UETZYjo5s57uk0XLxpE7P0ECK35Uod/TpPMhujTypJmgigg6VVgLuGPcN a9jtxB3MaVZTm6mL3QyY7hMbQNRS9etsRoVj4eYcXsdisNyd8cFrlGgN59BB6G1KLHYcP70/o SwAeFCWODEsdhNtgQnSGA7R7yZqwOz95SpaBCeQysmkowVZb+C6BYoMLfU/fz44i2Ke7KlHW5 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ovqmlsc1lFzogCP7XEXZLSsX404UXkqKJQr8ED2675I5hNo/6N5lBczfSnGKXjOAw9btpXRpr Q4p4iEwsSbV4zltfvaWif8tc8OxI9bPUSyCSXMq1UTQRZ995dSx+7DrbzChRjBnbznRIWsSvx P332pSDxLWym001j9P9GCNTcDkQ== This is a multi-part message in MIME format. --------------TJfJ6Ov7FFoDHUudAnDhftQu Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Am 30.08.26 um 10:42 schrieb Salvatore Bonaccorso: > Control: forwarded -1 https://lore.kernel.org/regressions/178807922598.807847.18300931641658404390@eldamar.lan > Control: tags -1 + upstream > > Hi > > In Debian, in https://bugs.debian.org/1146124, Jun Mo, reported the > following, with a bisection result: > > On Sun, Aug 30, 2026 at 12:59:45PM +0800, Jun MO wrote: >> Dear Maintainer, >> >> Fn hotkeys on Lenovo ThinkPad SL400, which are supported by the >> module asus-laptop, no longer work starting from Linux 7.1. Normally >> when those keys/key combinations are pressed, >> acpi_listen/kacpimon/"evtest >> /dev/input/by-path/platform-asus_laptop-event" will capture related >> events, for example: >> >> $ acpi_listen >> ^[[1;2Photkey ATK0101:00 00000032 00000000 >> button/mute MUTE 00000080 00000000 K >> ^C >> >> Starting from Linux 7.1, there are not any related event captured by those command. >> >> Using snapshot.debian.org, I found out that the last working kernel version is 7.0.14-1 while the first not working version is 7.1~rc2-1~exp1. >> >> Following instructions in [1] and using /boot/config-7.0.14+deb14-amd64, a bisect resulted in: >> >> git bisect start >> # status: waiting for both 'good' and 'bad' commits >> # good: [458c6079fc1d41d564c37679c8ace02cd83ee817] Linux 7.0.14 >> git bisect good 458c6079fc1d41d564c37679c8ace02cd83ee817 >> # status: waiting for 'bad' commit, 1 'good' commit known >> # bad: [7fd2df204f342fc17d1a0bfcd474b24232fb0f32] Linux 7.1-rc2 >> git bisect bad 7fd2df204f342fc17d1a0bfcd474b24232fb0f32 >> # good: [028ef9c96e96197026887c0f092424679298aae8] Linux 7.0 >> git bisect good 028ef9c96e96197026887c0f092424679298aae8 >> # good: [334fbe734e687404f346eba7d5d96ed2b44d35ab] Merge tag 'mm-stable-2026-04-13-21-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm >> git bisect good 334fbe734e687404f346eba7d5d96ed2b44d35ab >> # good: [cdd4dc3aebeab43a72ce0bc2b5bab6f0a80b97a5] Merge tag 'ntfs-for-7.1-rc1-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/ntfs >> git bisect good cdd4dc3aebeab43a72ce0bc2b5bab6f0a80b97a5 >> # bad: [beaba8bfbb91e3bb3133eacacd62fd6fea515e34] Merge tag 'probes-v7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace >> git bisect bad beaba8bfbb91e3bb3133eacacd62fd6fea515e34 >> # good: [bea8d77e45a8b77f2beca1affc9aa7ed28f39b17] Merge tag 'staging-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging >> git bisect good bea8d77e45a8b77f2beca1affc9aa7ed28f39b17 >> # bad: [065c4e67cc2c40e6dd94649e8e720096fbabd4ee] Merge tag 'uml-for-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux >> git bisect bad 065c4e67cc2c40e6dd94649e8e720096fbabd4ee >> # good: [4b0b946019e7376752456380b67e54eea2f10a7c] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma >> git bisect good 4b0b946019e7376752456380b67e54eea2f10a7c >> # bad: [d6116d86e58a04a9522e349c4a27145521c01ad7] platform/x86: int3472: Use local variable for LED struct access >> git bisect bad d6116d86e58a04a9522e349c4a27145521c01ad7 >> # good: [19ebacfb442b83aa5fe75f9c6851b4edbfff3760] platform/x86: dell/dell-rbtn: Convert ACPI driver to a platform one >> git bisect good 19ebacfb442b83aa5fe75f9c6851b4edbfff3760 >> # bad: [378500dc1313e2c06a2f675bb00ab5d7880433ba] platform/x86: asus-laptop: Register ACPI notify handler directly >> git bisect bad 378500dc1313e2c06a2f675bb00ab5d7880433ba >> # good: [03ae0a0d0973b9e584a05136aab08fee2ef8e455] platform/x86: uniwill-laptop: Implement USB-C power priority setting >> git bisect good 03ae0a0d0973b9e584a05136aab08fee2ef8e455 >> # good: [b0bcf48c74cc7f72d1b6effc7cecdae871b1785e] platform/x86: toshiba_acpi: Register ACPI notify handler directly >> git bisect good b0bcf48c74cc7f72d1b6effc7cecdae871b1785e >> # good: [553b2ac59fbb434330287fde0cabc64bc6f11ceb] platform/x86: toshiba_bluetooth: Convert ACPI driver to a platform one >> git bisect good 553b2ac59fbb434330287fde0cabc64bc6f11ceb >> # good: [3a96c7915d93231e128df74901fe8fcb960b0ecb] platform/x86: toshiba_haps: Convert ACPI driver to a platform one >> git bisect good 3a96c7915d93231e128df74901fe8fcb960b0ecb >> # first 'bad' commit: [378500dc1313e2c06a2f675bb00ab5d7880433ba] platform/x86: asus-laptop: Register ACPI notify handler directly >> >> [1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1143721#15 > #regzbot introduced: 378500dc1313e2c06a2f675bb00ab5d7880433ba > #regzbot link: https://bugs.debian.org/1146124 > > Does this rings a bell? I think i found the culprit, could you please test the attached patch? Thanks, Armin Wolf > > Regards, > Salvatore > --------------TJfJ6Ov7FFoDHUudAnDhftQu Content-Type: text/x-patch; charset=UTF-8; name="0001-platform-x86-asus-laptop-Fix-ACPI-event-handling.patch" Content-Disposition: attachment; filename*0="0001-platform-x86-asus-laptop-Fix-ACPI-event-handling.patch" Content-Transfer-Encoding: base64 RnJvbSBjMzU2OTRkMjcxODRkYWJlMzE2NzI2MDhiOGFlMDY4OGU2NjcxODI0IE1vbiBTZXAg MTcgMDA6MDA6MDAgMjAwMQpGcm9tOiBBcm1pbiBXb2xmIDxXX0FybWluQGdteC5kZT4KRGF0 ZTogU3VuLCAzMCBBdWcgMjAyNiAxMzo1Mzo0MCArMDIwMApTdWJqZWN0OiBbUEFUQ0hdIHBs YXRmb3JtL3g4NjogYXN1cy1sYXB0b3A6IEZpeCBBQ1BJIGV2ZW50IGhhbmRsaW5nCgpUaGUg ZXZlbnQgY29kZXMgaW5zaWRlIGFzdXNfa2V5bWFwW10gc3BhbiBhIHdpZGUgcmFuZ2UgZnJv bSAweDAyCnRpbGwgMHhDNSwgYnV0IHVzaW5nIEFDUElfREVWSUNFX05PVElGWSBwcmV2ZW50 cyB1cyBmcm9tIHJlY2VpdmluZwpldmVudCBjb2RlcyBiZWxvdyAweDgwLgoKRml4IHRoaXMg YnkgdXNpbmcgQUNQSV9BTExfTk9USUZZIGluc3RlYWQuCgpGaXhlczogMzc4NTAwZGMxMzEz ICgicGxhdGZvcm0veDg2OiBhc3VzLWxhcHRvcDogUmVnaXN0ZXIgQUNQSSBub3RpZnkgaGFu ZGxlciBkaXJlY3RseSIpClNpZ25lZC1vZmYtYnk6IEFybWluIFdvbGYgPFdfQXJtaW5AZ214 LmRlPgotLS0KIGRyaXZlcnMvcGxhdGZvcm0veDg2L2FzdXMtbGFwdG9wLmMgfCAyICstCiAx IGZpbGUgY2hhbmdlZCwgMSBpbnNlcnRpb24oKyksIDEgZGVsZXRpb24oLSkKCmRpZmYgLS1n aXQgYS9kcml2ZXJzL3BsYXRmb3JtL3g4Ni9hc3VzLWxhcHRvcC5jIGIvZHJpdmVycy9wbGF0 Zm9ybS94ODYvYXN1cy1sYXB0b3AuYwppbmRleCA0NDlhZGRkMWFjN2EuLmNmZmZmZThiYjIz NyAxMDA2NDQKLS0tIGEvZHJpdmVycy9wbGF0Zm9ybS94ODYvYXN1cy1sYXB0b3AuYworKysg Yi9kcml2ZXJzL3BsYXRmb3JtL3g4Ni9hc3VzLWxhcHRvcC5jCkBAIC0xODgyLDcgKzE4ODIs NyBAQCBzdGF0aWMgaW50IGFzdXNfYWNwaV9wcm9iZShzdHJ1Y3QgcGxhdGZvcm1fZGV2aWNl ICpwZGV2KQogCWlmIChyZXN1bHQgJiYgcmVzdWx0ICE9IC1FTk9ERVYpCiAJCWdvdG8gZmFp bF9wZWdhX3Jma2lsbDsKIAotCXJlc3VsdCA9IGFjcGlfZGV2X2luc3RhbGxfbm90aWZ5X2hh bmRsZXIoZGV2aWNlLCBBQ1BJX0RFVklDRV9OT1RJRlksCisJcmVzdWx0ID0gYWNwaV9kZXZf aW5zdGFsbF9ub3RpZnlfaGFuZGxlcihkZXZpY2UsIEFDUElfQUxMX05PVElGWSwKIAkJCQkJ CSBhc3VzX2FjcGlfbm90aWZ5LCBhc3VzKTsKIAlpZiAocmVzdWx0KQogCQlnb3RvIGZhaWxf cGVnYV9yZmtpbGw7Ci0tIAoyLjM5LjUKCg== --------------TJfJ6Ov7FFoDHUudAnDhftQu--