Please reply if this is still an issue on a supported release.
** Changed in: pm-utils (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/458799
Title:
Karmic: Intermittent: display does not turn on when lid opens
Status in “pm-utils” package in Ubuntu:
Invalid
Bug description:
Binary package hint: pm-utils
(system is current as of 23OCT2009, 00:13 MDT; Release 9.10)
This may not be pm-utils. Since recent updates (over the past week?), I've
noticed that occasionally, my display will not turn back on when I open the
lid. This is not opening from a sleep state. For AC Power, the machine is not
set to sleep - I close the lid and may open it again in an hour and the display
may not turn on.
The machine is responsive (does not hang). I generally get the
display to turn back on by pressing the suspend button and then waking
it from suspend. Closing and reopening the lid does not help.
Pressing FN+crt/lcd does not get the screen to turn on. I'm also not
able to switch TTYs.
lspci | grep VGA:
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS,
943/940GML Express Integrated Graphics Controller (rev 03)
As said, this is intermittent, and I cannot identify a pattern with
it. It seems like the longer I leave the lid closed, the more certain
this is going to occur. Executing "xset dpms force off" doesn't cause
this (I haven't been able to reproduce it, at least).
In /var/log/messages, I just see a few lines like this (which are probably
normal):
Oct 22 23:38:02 josh-laptop kernel: [79789.169729] [drm] TV-16: set mode NTSC
480i 0
Oct 22 23:38:02 josh-laptop kernel: [79789.334873] [drm] TV-16: set mode NTSC
480i 0
Oct 22 23:38:03 josh-laptop kernel: [79789.755161] [drm] TV-16: set mode NTSC
480i 0
Oct 22 23:38:03 josh-laptop kernel: [79789.921755] [drm] TV-16: set mode NTSC
480i 0
Oct 22 23:38:03 josh-laptop kernel: [79790.314346] [drm] TV-16: set mode NTSC
480i 0
Oct 22 23:38:03 josh-laptop kernel: [79790.480495] [drm] TV-16: set mode NTSC
480i 0
Oct 22 23:38:04 josh-laptop kernel: [79790.870656] [drm] TV-16: set mode NTSC
480i 0
Oct 22 23:38:04 josh-laptop kernel: [79791.036369] [drm] TV-16: set mode NTSC
480i 0
I know I may be lacking information here. I'd be more than happy to
provide any other information that may help isolate this.
ProblemType: Bug
Architecture: i386
Date: Fri Oct 23 00:02:15 2009
DistroRelease: Ubuntu 9.10
NonfreeKernelModules: openafs
Package: pm-utils 1.2.5-2ubuntu7
PackageArchitecture: all
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/usr/bin/zsh
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: pm-utils
Uname: Linux 2.6.31-14-generic i686
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