Public bug reported:
This bug is common with a lot of samsung laptops. Please see
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/360247 for example.
The problem manifests after you enable hal or udev to recognise the
laptop's keymap. I will submit a patch for udev also.
The keys for brightness (fn+up / fn+down) are repeated which causes the
ui to become unresponsive. It is also important to note that no acpi
brightness functionality is exposed in the initial revision of the bios.
I had to update to rev. 04 of the bios and this exposed the brightness
controls to acpi.
I have created a bug up-steam with a patch.
ProblemType: Bug
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: barry 1510 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf0440000 irq 22'
Mixer name : 'Realtek ALC269'
Components : 'HDA:10ec0269,144dc05d,00100004'
Controls : 17
Simple ctrls : 11
Date: Wed Oct 14 23:27:48 2009
DistroRelease: Ubuntu 9.10
HibernationDevice: RESUME=UUID=1a230433-b7f6-4f27-b153-a1d649d794b2
MachineType: SAMSUNG ELECTRONICS CO., LTD. N130
Package: linux-image-2.6.31-13-generic 2.6.31-13.44
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-13-generic
root=UUID=266f64e8-16c0-464c-8788-30570a50bce0 ro
crashkernel=384M-2G:64M,2G-:128M quiet splash
ProcEnviron:
LANG=en_IE.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-13.44-generic
RelatedPackageVersions:
linux-backports-modules-2.6.31-13-generic N/A
linux-firmware 1.21
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
Tags: ubuntu-unr
Uname: Linux 2.6.31-13-generic i686
dmi.bios.date: 09/30/2009
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 04CM.M010.20090930.CYH
dmi.board.name: N130
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnPhoenixTechnologiesLtd.:bvr04CM.M010.20090930.CYH:bd09/30/2009:svnSAMSUNGELECTRONICSCO.,LTD.:pnN130:pvrNotApplicable:rvnSAMSUNGELECTRONICSCO.,LTD.:rnN130:rvrNotApplicable:cvnSAMSUNGELECTRONICSCO.,LTD.:ct10:cvrN/A:
dmi.product.name: N130
dmi.product.version: Not Applicable
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
** Affects: linux
Importance: Unknown
Status: Unknown
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 ubuntu-unr
--
Samsung n130 brightness keys do not send release events
https://bugs.launchpad.net/bugs/451706
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