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Message #16870
[Bug 1222763] Re: Pressing usb keyboard multimedia keys doesn't print anything with sudo /lib/udev/keymap -i input/eventX
christian, on 13.10 (this also works on earlier versions), please
install the "evtest" package and use "sudo evtest". This lets you choose
your input device and basically gives the same information, but is a tad
easier to use.
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https://bugs.launchpad.net/bugs/1222763
Title:
Pressing usb keyboard multimedia keys doesn't print anything with sudo
/lib/udev/keymap -i input/eventX
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
I've got a multimedia wireless keyboard. When I try to type:
/lib/udev/findkeyboards
I get:
USB keyboard: input/event4
AT keyboard: input/event3
Then, if I type:
sudo /lib/udev/keymap -i input/event4
pressing the multimedia keys print nothing in the command output
(while the standard keys print output as expected. Example:
scan code: 0x70018 key code: u).
I'm using the 3.2.0-41-generic kernel with Lubuntu 12.04, but this
problem is present also in other kernel versions.
The udevadm info --export-db (with connected and not connected
keyboard) output and the diff command output are attached to this bug
report.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-41-generic 3.2.0-41.66
ProcVersionSignature: Ubuntu 3.2.0-41.66-generic 3.2.42
Uname: Linux 3.2.0-41-generic i686
NonfreeKernelModules: hsfengine
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu17.4
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: cristian 2095 F.... pulseaudio
CRDA: Error: [Errno 2] File o directory non esistente
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xd0340000 irq 42'
Mixer name : 'Conexant CX20549 (Venice)'
Components : 'HDA:14f15045,103c30a5,00100100'
Controls : 20
Simple ctrls : 10
Date: Mon Sep 9 12:44:17 2013
HibernationDevice: RESUME=UUID=064559f1-c9e7-42f0-a382-e7875944d39f
InstallationMedia: Lubuntu 12.04 "Precise Pangolin" - Release i386 (20120423)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 003: ID 0e8f:0020 GreenAsia Inc. USB to PS/2 Adapter
MachineType: Hewlett-Packard Presario C500 (GH938EA#ABZ)
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=it_IT.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-41-generic root=UUID=c9efd375-d321-4352-8a84-729a93eacf3e ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.2.0-41-generic N/A
linux-backports-modules-3.2.0-41-generic N/A
linux-firmware N/A
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/09/2007
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.15
dmi.board.name: 30C6
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 78.10
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnHewlett-Packard:bvrF.15:bd03/09/2007:svnHewlett-Packard:pnPresarioC500(GH938EA#ABZ):pvrF.15:rvnHewlett-Packard:rn30C6:rvr78.10:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: Presario C500 (GH938EA#ABZ)
dmi.product.version: F.15
dmi.sys.vendor: Hewlett-Packard
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References