linux-kernel - Re: [REGRESSION] IRQ override revert breaks keyboard on Lenovo Yoga 7 14ARB7

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <d3179d08-d513-a7e4-9ddb-416e50578957@amd.com>
Date:   Wed, 26 Jul 2023 21:56:28 -0500
From:   Mario Limonciello <mario.limonciello@....com>
To:     August Wikerfors <git@...ustwikerfors.se>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        regressions@...ts.linux.dev
Subject: Re: [REGRESSION] IRQ override revert breaks keyboard on Lenovo Yoga 7
 14ARB7

On 7/26/23 17:54, August Wikerfors wrote:
> Hi,
> 
> Since v6.5-rc1 the keyboard on this laptop no longer works. This problem
> also existed before v6.0-rc1 commit 9946e39fe8d0 ("ACPI: resource: skip
> IRQ override on AMD Zen platforms"), so I suspected the cause to be
> a9c4a912b7dc ("ACPI: resource: Remove "Zen" specific match and quirks")
> which reverted that commit. Reverting a9c4a912b7dc confirmed this theory.
> 
> #regzbot introduced: a9c4a912b7dc
> 
> My specs are:
> Laptop model: Lenovo Yoga 7 14ARB7
> BIOS: K5CN40WWT66 (latest beta from [1])
> CPU: AMD Ryzen 5 6600U
> Kernel config: [2]
> Distribution: Arch Linux
> 
> The issue has been confirmed by at least one other user with this
> laptop: [3]
> 
> [1] 
> https://forums.lenovo.com/t5/Lenovo-Yoga-Series-Laptops/Yoga-7-14ARB7-keyboard-lag-when-on-certain-websites-or-when-Vantage-is-opened/m-p/5174991?page=28#5974742
> [2] 
> https://gitlab.archlinux.org/archlinux/packaging/packages/linux/-/raw/d4a56a1e994201b6c607199922aa22e4337b56c9/config
> [3] https://github.com/tomsom/yoga-linux/issues/47
> 
> Regards,
> August Wikerfors

This is unfortunate.  Before we go adding more quirks for your system, 
can you please check for a BIOS upgrade for your system?  If it's 
happening with the latest BIOS, then can you please open a kernel 
bugzilla with an acpidump and dmidecode included?