Hi Hans,
On Thu, 18 Jul 2024 at 11:28, Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
Hi,
On 7/16/24 5:59 PM, Iñaki Ucar wrote:
>
>
> On Tue, 16 Jul 2024 at 12:29, Hans de Goede <hdegoede@xxxxxxxxxx <mailto:hdegoede@xxxxxxxxxx>> wrote:
>
> Hi,
>
> On 7/15/24 9:50 PM, Iñaki Ucar wrote:
> > It's the kernel. Going back to 6.9.6 fixes the issue...
>
> Ok, that is a good first step in debugging this.
>
> Can you run evtest with the working kernel and then check which
> event node is generating key-presses for the brightness keys,
> that should help narrow it down further.
>
> Likely candidates are: "LG WMI hotkeys",
> "AT translated set 2 keyboard", "Video Bus".
>
>
> In "Video Bus", there are KEY_BRIGHTNESSDOWN and KEY_BRIGHTNESSUP that are triggered.
Ok, then this likely is not an issue with the lg-laptop driver but rather with
the ACPI subsystem.
Likely culprit commits which are new in 6.9.7 are:
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
Or maybe:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/drivers/acpi?h=v6.9.7&id=e21a4c9129c72fa54dd00f5ebf71219b41d43c04
But I suspect it is one of the above 2.
I have started a 6.9.9 test-build with those 2 patches reverted:
https://koji.fedoraproject.org/koji/taskinfo?taskID=120674294
Good catch! I confirm that the build above does not have the issues I was experiencing.
Iñaki
this will take a couple of hours to finish building. Here are some generic instructions
for installing a kernel from koji (the Fedora build system):
https://fedorapeople.org/~jwrdegoede/kernel-test-instructions.txt
Please give this kernel build a try when it is done building and then
we will see from there.
Regards,
Hans
> But if none of those 3 reports brightness key presses, please
> try all available /dev/input/event# nodes and please report back
> here the name(e.g. "LG WMI hotkeys") of the /dev/input/event# node
> which is reporting the brightness key presses.
>
> Also which kernel version is the first broken kernel version
> for you ?
>
>
> 6.9.7 to 6.9.9 are broken. I also noticed issues with /sys/devices/platform/lg-laptop/battery_care_limit, that reports 0 and cannot be set with those kernels.
>
> There are commits in the lg-laptop.c file in the 6.10 series that I hope solve these issues, see https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/diff/drivers/platform/x86/lg-laptop.c?id=v6.10&id2=v6.9 <https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/diff/drivers/platform/x86/lg-laptop.c?id=v6.10&id2=v6.9>
>
> Iñaki
>
>
>
>
> Regards,
>
> Hans
>
>
>
>
>
> >
> > Iñaki
> >
> > On Mon, 15 Jul 2024 at 21:34, Iñaki Ucar <iucar@xxxxxxxxxxxxxxxxx <mailto:iucar@xxxxxxxxxxxxxxxxx> <mailto:iucar@xxxxxxxxxxxxxxxxx <mailto:iucar@xxxxxxxxxxxxxxxxx>>> wrote:
> >
> >
> >
> > On Mon, 15 Jul 2024 at 18:53, Jonathan Wright via devel <devel@xxxxxxxxxxxxxxxxxxxxxxx <mailto:devel@xxxxxxxxxxxxxxxxxxxxxxx> <mailto:devel@xxxxxxxxxxxxxxxxxxxxxxx <mailto:devel@xxxxxxxxxxxxxxxxxxxxxxx>>> wrote:
> >
> > Are you running KDE with HDR enabled by chance? That will make the keys non-functional.
> >
> >
> > No, I don't think so. I don't see any HDR option anyways.
> >
> > Iñaki
> >
> >
> >
> > On Mon, Jul 15, 2024 at 3:52 AM Samuel Sieb <samuel@xxxxxxxx <mailto:samuel@xxxxxxxx> <mailto:samuel@xxxxxxxx <mailto:samuel@xxxxxxxx>>> wrote:
> >
> > On 7/15/24 1:47 AM, Iñaki Ucar wrote:
> > > On Mon, 15 Jul 2024 at 10:34, Samuel Sieb <samuel@xxxxxxxx <mailto:samuel@xxxxxxxx> <mailto:samuel@xxxxxxxx <mailto:samuel@xxxxxxxx>>
> > > <mailto:samuel@xxxxxxxx <mailto:samuel@xxxxxxxx> <mailto:samuel@xxxxxxxx <mailto:samuel@xxxxxxxx>>>> wrote:
> > >
> > > On 7/15/24 1:23 AM, Iñaki Ucar wrote:
> > > >
> > > >
> > > > On Mon, 15 Jul 2024 at 09:56, Samuel Sieb <samuel@xxxxxxxx <mailto:samuel@xxxxxxxx> <mailto:samuel@xxxxxxxx <mailto:samuel@xxxxxxxx>>
> > > <mailto:samuel@xxxxxxxx <mailto:samuel@xxxxxxxx> <mailto:samuel@xxxxxxxx <mailto:samuel@xxxxxxxx>>>
> > > > <mailto:samuel@xxxxxxxx <mailto:samuel@xxxxxxxx> <mailto:samuel@xxxxxxxx <mailto:samuel@xxxxxxxx>> <mailto:samuel@xxxxxxxx <mailto:samuel@xxxxxxxx> <mailto:samuel@xxxxxxxx <mailto:samuel@xxxxxxxx>>>>> wrote:
> > > > You will need to find out what the keys trigger.
> > > > Do you see any messages in the journal when you press the keys?
> > > >
> > > >
> > > > Nothing in the journal.
> > > >
> > > > Install "evtest" and try watching various sources to see if
> > > you get a
> > > > reaction when pressing the keys.
> > > >
> > > >
> > > > Nothing either. I tried monitoring the keyboard as well as the
> > > event fd
> > > > called "LG WMI hotkeys", and those keys trigger nothing. :( Does
> > > this
> > > > mean that it's a kernel issue?
> > >
> > > Probably. Do you have the "lg-laptop" kernel module loaded?
> > >
> > > I do:
> > > $ lsmod | grep lg
> > > lg_laptop 32768 0
> > > sparse_keymap 12288 1 lg_laptop
> > > i2c_algo_bit 20480 2 xe,i915
> > > wmi 36864 3 video,lg_laptop,wmi_bmof
> >
> > I suggest you contact the mailing list at:
> > platform-driver-x86@xxxxxxxxxxxxxxx <mailto:platform-driver-x86@xxxxxxxxxxxxxxx> <mailto:platform-driver-x86@xxxxxxxxxxxxxxx <mailto:platform-driver-x86@xxxxxxxxxxxxxxx>>
> >
> > --
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> >
> >
> >
> > --
> > Jonathan Wright
> > AlmaLinux Foundation
> > Mattermost: chat <https://chat.almalinux.org/almalinux/messages/@jonathan <https://chat.almalinux.org/almalinux/messages/@jonathan>>
> > --
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> >
> >
> >
> > --
> > Iñaki Úcar
> >
> >
> >
> > --
> > Iñaki Úcar
> >
>
>
>
> --
> Iñaki Úcar
Iñaki Úcar
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