Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-oem (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1860940
Title:
Cannot read /sys/devices/platform/hp-wmi/tablet
Status in linux package in Ubuntu:
In Progress
Status in linux-oem package in Ubuntu:
Confirmed
Status in linux-oem-osp1 package in Ubuntu:
Confirmed
Status in linux source package in Bionic:
In Progress
Status in linux-oem source package in Bionic:
In Progress
Status in linux-oem-osp1 source package in Bionic:
Fix Committed
Status in linux source package in Disco:
Won't Fix
Status in linux-oem source package in Disco:
Won't Fix
Status in linux-oem-osp1 source package in Disco:
Won't Fix
Status in linux source package in Eoan:
In Progress
Status in linux-oem source package in Eoan:
Confirmed
Status in linux-oem-osp1 source package in Eoan:
Confirmed
Bug description:
[SRU Justification]
[Impact]
On Hewlett-Packard x360 310 G2 convertible laptop,
/sys/devices/platform/hp-wmi/tablet cannot report its current mode:
# cat /sys/devices/platform/hp-wmi/tablet
cat: /sys/devices/platform/hp-wmi/tablet: Invalid argument
[Fix]
Commit 133b2acee387 ("platform/x86: hp-wmi: Make buffer for
HPWMI_FEATURE2_QUERY
128 bytes") to be cherry-picked to kernels <= v5.4.6.
[Test Case]
Just run `cat /sys/devices/platform/hp-wmi/tablet`.
[Regression Potential]
Low. This affects only HP systems with such buffer length check that
should be fixed.
========== original bug description ==========
# cat /sys/devices/platform/hp-wmi/tablet
cat: /sys/devices/platform/hp-wmi/tablet: Invalid argument
Ubuntu 18.04.3 LTS
This is on a Hewlett-Packard x360 310 G2 convertible laptop.
---
ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.9
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: muranyia 1507 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 18.04
InstallationDate: Installed on 2020-01-19 (7 days ago)
InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64
(20190805)
MachineType: Hewlett-Packard HP x360 310 G2 PC
Package: linux (not installed)
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-26-generic
root=UUID=b548b7bb-ecdb-473a-aa36-112da338bff6 ro quiet splash vt.handoff=1
ProcVersionSignature: Ubuntu 5.3.0-26.28~18.04.1-generic 5.3.13
RelatedPackageVersions:
linux-restricted-modules-5.3.0-26-generic N/A
linux-backports-modules-5.3.0-26-generic N/A
linux-firmware 1.173.14
Tags: bionic
Uname: Linux 5.3.0-26-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 11/12/2019
dmi.bios.vendor: Insyde
dmi.bios.version: F.65
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 8074
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 66.40
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 31
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnInsyde:bvrF.65:bd11/12/2019:svnHewlett-Packard:pnHPx360310G2PC:pvrType1ProductConfigId:rvnHewlett-Packard:rn8074:rvr66.40:cvnHewlett-Packard:ct31:cvrChassisVersion:
dmi.product.family: 103C_5336AN G=N L=SMB B=HP S=310
dmi.product.name: HP x360 310 G2 PC
dmi.product.sku: M9T30ES#ABH
dmi.product.version: Type1ProductConfigId
dmi.sys.vendor: Hewlett-Packard
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