laptop screen shows no output with Linux 3.0.0-15-generic or 3.0.0-17-generic
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned |
Bug Description
The system is an Asus UL20FT-A1 laptop.
Kernel 3.0.0-12-generic has no display issues, but 3.0.0-15-generic and 3.0.0-17-generic will not output to the laptop's built-in display. All of the above kernels work with HDMI and VGA outputs.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-
ProcVersionSign
Uname: Linux 3.0.0-12-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC269VB Analog [ALC269VB Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf4000000 irq 43'
Mixer name : 'Intel IbexPeak HDMI'
Components : 'HDA:10ec0269,
Controls : 15
Simple ctrls : 8
Date: Mon Apr 2 22:58:18 2012
EcryptfsInUse: Yes
HibernationDevice: RESUME=
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111011)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 003: ID 064e:a136 Suyin Corp. Asus Integrated Webcam [CN031B]
MachineType: ASUSTeK Computer Inc. UL20FT
ProcEnviron:
PATH=(custom, no User Name)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=
RelatedPackageV
linux-
linux-
linux-firmware 1.60
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/18/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 223
dmi.board.
dmi.board.name: UL20FT
dmi.board.vendor: ASUSTeK Computer Inc.
dmi.board.version: 1.0
dmi.chassis.
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer Inc.
dmi.chassis.
dmi.modalias: dmi:bvnAmerican
dmi.product.name: UL20FT
dmi.product.
dmi.sys.vendor: ASUSTeK Computer Inc.
Changed in linux (Ubuntu): | |
status: | New → Confirmed |
Under 3.0.0-17-generic, I can change screen brightness, but all I see is a dark purple background.
Attempting to switch to a virtual console has no effect on the display.