https://bugzilla.kernel.org/show_bug.cgi?id=217718
Bug ID: 217718
Summary: IRQ override revert breaks keyboard on Lenovo Yoga 7
14ARB7
Product: ACPI
Version: 2.5
Hardware: AMD
OS: Linux
Status: NEW
Severity: normal
Priority: P3
Component: Config-Interrupts
Assignee: [email protected]
Reporter: [email protected]
Regression: Yes
Bisected a9c4a912b7dc7ff922d4b9261160c001558f9755
commit-id:
Created attachment 304710
--> https://bugzilla.kernel.org/attachment.cgi?id=304710&action=edit
dmidecode
(cross-posting from
https://lore.kernel.org/all/[email protected]/
with dmidecode)
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.
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
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