Public bug reported:
Missing keystrokes on a Dell Precision 7860 laptop. Seems to be pretty
random, (sometimes the keys will work other times they won't) but only
certain keys are affected. It started off with just two keys, but it has
gotten worse over the past month, probably 10 keys now. If I use an
external keyboard it is completely fine, and there are no problems with
the keyboard when I'm on Windows 11. I switched to an older kernel
(6.17.29), and my keyboard worked fine using that kernel. After that, I
tried switching back to my current kernel (6.17.35), and it worked
perfectly again for about 5 minutes. Then the problem came back, with
the same keys seeming to be missing inputs. When the inputs miss, they
are missed by evtest as well.
1) 22.04.4 LTS
2) no package?
3) Expected: key to input properly
4) What happened: no input from key on individual or few keystrokes
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.17.0-35-generic 6.17.0-35.35~24.04.1
ProcVersionSignature: Ubuntu 6.17.0-35.35~24.04.1-generic 6.17.13
Uname: Linux 6.17.0-35-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: trevor 3131 F.... wireplumber
/dev/snd/controlC0: trevor 3131 F.... wireplumber
/dev/snd/seq: trevor 3127 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Mon Jul 6 13:01:06 2026
MachineType: Dell Inc. Precision 7680
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.17.0-35-generic
root=UUID=09dcb689-b49c-4e28-a771-1a253b7a8e70 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-6.17.0-35-generic N/A
linux-backports-modules-6.17.0-35-generic N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.27
SourcePackage: linux-hwe-6.17
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/01/2026
dmi.bios.release: 1.28
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.28.2
dmi.board.name: 0XRC2C
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.ec.firmware.release: 1.22
dmi.modalias:
dmi:bvnDellInc.:bvr1.28.2:bd04/01/2026:br1.28:efr1.22:svnDellInc.:pnPrecision7680:pvr:rvnDellInc.:rn0XRC2C:rvrA00:cvnDellInc.:ct10:cvr:sku0C41:
dmi.product.family: Precision
dmi.product.name: Precision 7680
dmi.product.sku: 0C41
dmi.sys.vendor: Dell Inc.
** Affects: linux-hwe-6.17 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
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https://bugs.launchpad.net/bugs/2159780
Title:
laptop keyboard missing inputs
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