Public bug reported:
My Dell E6420 is plugged to a Dell PR03X dock, but I cannot seem to find
a corresponding device under /sys or /proc/acpi. Notably, there is no
/sys/devices/platform/dock.0
As a result, it seems that no kernel event is fired on (un)docking, thus
making it quite difficult to automatically adjust monitor/display
settings accordingly.
I am really using the TuxOnIce variant of the mentioned kernel version,
but the problem occurs in the official version as well.
Ubuntu was installed on this laptop while it was not plugged to the
dock, using the Alternate (text based) installer.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-11-generic 2.6.38-11.50
ProcVersionSignature: Ubuntu 2.6.38-11.50-generic 2.6.38.8
Uname: Linux 2.6.38-11-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ysalmon 1497 F.... pulseaudio
CRDA: Error: [Errno 2] Aucun fichier ou dossier de ce type
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xe6760000 irq 45'
Mixer name : 'IDT 92HD90BXX'
Components : 'HDA:111d76e7,10280493,00100102'
Controls : 15
Simple ctrls : 10
Card1.Amixer.info:
Card hw:1 'NVidia'/'HDA NVidia at 0xe5080000 irq 17'
Mixer name : 'Nvidia GPU 1c HDMI/DP'
Components : 'HDA:10de001c,10280493,00100100'
Controls : 4
Simple ctrls : 1
Card1.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Fri Sep 23 10:08:21 2011
HibernationDevice: RESUME=UUID=37042d66-f766-40dc-b5f3-830ca0e8db5e
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110426)
MachineType: Dell Inc. Latitude E6420
ProcEnviron:
LANGUAGE=fr:en
PATH=(custom, user)
LANG=fr_FR.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-11-generic
root=UUID=589f8cef-d0a5-4c75-8abd-07d3b731ad28 ro reboot=pci --verbose
RelatedPackageVersions:
linux-restricted-modules-2.6.38-11-generic N/A
linux-backports-modules-2.6.38-11-generic N/A
linux-firmware 1.52
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/24/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A05
dmi.board.name: 032T9K
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA05:bd05/24/2011:svnDellInc.:pnLatitudeE6420:pvr01:rvnDellInc.:rn032T9K:rvrA01:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E6420
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug natty
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https://bugs.launchpad.net/bugs/857150
Title:
Dock not detected (Dell Latitude E6420 ; PR03X)
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