screen blanking/restore fail.

Bug #517860 reported by Robert Collins
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Triaged
Medium
Unassigned

Bug Description

Closing the lid of my laptop (set to blank screen) and opening it again has the backlight off, and it stays off until I power off - when it works again during the shutdown process.

ProblemType: Bug
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: robertc 3820 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xefebc000 irq 21'
   Mixer name : 'SigmaTel STAC9200'
   Components : 'HDA:83847690,10280201,00102201 HDA:14f12c06,14f1000f,00100000'
   Controls : 7
   Simple ctrls : 5
Date: Sat Feb 6 11:00:40 2010
DistroRelease: Ubuntu 10.04
HibernationDevice: RESUME=UUID=84925f2f-3b6b-4158-85ca-40820257d8d8
MachineType: Dell Inc. Latitude D430
Package: linux-image-2.6.32-12-generic 2.6.32-12.17
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: root=/dev/mapper/vg-root ro quiet splash
ProcEnviron:
 PATH=(custom, user)
 LANG=tlh_GB.utf8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-12.17-generic
Regression: Yes
RelatedPackageVersions: linux-firmware 1.29
Reproducible: Yes
SourcePackage: linux
TestedUpstream: No
Uname: Linux 2.6.32-12-generic x86_64
WpaSupplicantLog:

dmi.bios.date: 05/21/2007
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A00
dmi.board.name: 0HU754
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA00:bd05/21/2007:svnDellInc.:pnLatitudeD430:pvr:rvnDellInc.:rn0HU754:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude D430
dmi.sys.vendor: Dell Inc.

Revision history for this message
Robert Collins (lifeless) wrote :
Revision history for this message
Robert Collins (lifeless) wrote :

More data: apw says 'more than just backlight off' based on physical inspection.

ALT-F1 etc do nothing.

Revision history for this message
Robert Collins (lifeless) wrote :

Booting with nomodeset -> no X at all

Revision history for this message
Jeremy Foshee (jeremyfoshee) wrote :

set to Triaged with initial importance of medium.

-JFo

Changed in linux (Ubuntu):
status: New → Triaged
importance: Undecided → Medium
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