[Kernel-packages] [Bug 1961429] Re: ACPI BIOS Error: problem loading UEFI X.509 certificate

Attached is DSDT dump produced by SSDTTime utility (https://github.com/corpnewt/SSDTTime). I then decompiled the file with "iasl " command. It turns out that _SB.PCI0 and _SB.PC00.DGPV are missing. And it worth mentioning that the brightness control hot keys are not functioning (producing no ACPI

[Kernel-packages] [Bug 1961429] [NEW] ACPI BIOS Error: problem loading UEFI X.509 certificate

Public bug reported: Upon upgrading from 21.10 (Impish) to 22.04 (Jammy) I am getting the following error messages at every boot using 5.15.0-18-generic kernel: [0.150101] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0], AE_NOT_FOUND (20210730/dswload2-162) [0.150114] ACPI

[Kernel-packages] [Bug 1948505] [NEW] Screen Brightness keys do not work on Lenovo IdeaPad 3

Public bug reported: I've installed Ubuntu 21.10 with recent updates from scratch, and screen brightness control hot keys do not work. I can adjust brightness with slide bar in settings, and also with $ echo 2000 | sudo tee /sys/class/backlight/intel_backlight/brightness Both acpi_listen and

[Kernel-packages] [Bug 757040] Re: stk11xx web-cam driver should be included in the kernel

I wonder have anyone actually sent the merge request upstream? As of today, there is no Syntek stk11xx driver included with the Ubuntu 3.13.0 kernel (14.04 LTS) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.