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On 2009-07-31T19:35:18+00:00 Bryce Harrington wrote:

Forwarding this bug from Ubuntu reporter Giovanni Condello:
https://bugs.edge.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/397839

[Problem]
Sometimes the internal laptop display (LVDS) goes off (like a DPMS standby) for no reason (there is user activity going on).
Moving the mouse or typing on the keyboard makes the screen turn on again (no password request or user logout happens)

This happens on a fully updated Karmic with a mobility radeon X700 using
the standard radeon driver.

[lspci]
00:00.0 Host bridge [0600]: Intel Corporation Mobile 915GM/PM/GMS/910GML Express Processor to DRAM Controller [8086:2590] (rev 03)
	Subsystem: Acer Incorporated [ALI] Device [1025:0066]
01:00.0 VGA compatible controller [0300]: ATI Technologies Inc Radeon Mobility X700 (PCIE) [1002:5653]
	Subsystem: Acer Incorporated [ALI] Device [1025:0066]


[More Info]
ProblemType: Bug
Architecture: i386
Date: Fri Jul 10 15:11:22 2009
DistroRelease: Ubuntu 9.10
Lsusb:
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Acer, inc. Yspire 1690
Package: xserver-xorg-video-ati 1:6.12.99+git20090629.f39cafc5-0ubuntu1
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-2-generic root=UUID=79c83fad-2c20-4754-b080-8a8e9e451b51 ro quiet splash
ProcEnviron:
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-2.16-generic
RelatedPackageVersions:
 xserver-xorg 1:7.4+3ubuntu5
 libgl1-mesa-glx 7.5~rc4-1ubuntu3
 libdrm2 2.4.11-1ubuntu1
 xserver-xorg-video-intel 2:2.7.99.901+git20090702.74227141-0ubuntu1
 xserver-xorg-video-ati 1:6.12.99+git20090629.f39cafc5-0ubuntu1
SourcePackage: xserver-xorg-video-ati
Uname: Linux 2.6.31-2-generic i686
dmi.bios.date: 03/14/06
dmi.bios.vendor: Acer
dmi.bios.version: 3A44
dmi.board.name: Crane II
dmi.board.vendor: Acer, Inc.
dmi.board.version: Not Applicable
dmi.chassis.type: 1
dmi.chassis.vendor: , Inc.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAcer:bvr3A44:bd03/14/06:svnAcer,inc.:pnYspire1690:pvrNotApplicable:rvnAcer,Inc.:rnCraneII:rvrNotApplicable:cvn,Inc.:ct1:cvrN/A:
dmi.product.name: Yspire 1690
dmi.product.version: Not Applicable
dmi.sys.vendor: Acer, inc.
fglrx: Not loaded
system:
 distro: Ubuntu
 architecture: i686kernel: 2.6.31-2-generic

Reply at: https://bugs.launchpad.net/xserver-xorg-driver-
ati/+bug/397839/comments/4

------------------------------------------------------------------------
On 2009-07-31T19:35:42+00:00 Bryce Harrington wrote:

Created an attachment (id=28235)
BootDmesg.txt

Reply at: https://bugs.launchpad.net/xserver-xorg-driver-
ati/+bug/397839/comments/5

------------------------------------------------------------------------
On 2009-07-31T19:35:57+00:00 Bryce Harrington wrote:

Created an attachment (id=28236)
CurrentDmesg.txt

Reply at: https://bugs.launchpad.net/xserver-xorg-driver-
ati/+bug/397839/comments/6

------------------------------------------------------------------------
On 2009-07-31T19:36:28+00:00 Bryce Harrington wrote:

Created an attachment (id=28237)
XorgLog.txt

Reply at: https://bugs.launchpad.net/xserver-xorg-driver-
ati/+bug/397839/comments/7

------------------------------------------------------------------------
On 2009-07-31T19:39:52+00:00 Bryce Harrington wrote:

Fwiw, I've also been noticing similar behavior on my own -ati system,
although the message I see in my Xorg.0.log is different.  Since it
seems to have some relation to the dpms power management, I've not been
sure whether it is X or something deeper in the platform stuff.  Any
pointers would be much appreciated, as I've had a lot of different
people mention this issue to me.

Reply at: https://bugs.launchpad.net/xserver-xorg-driver-
ati/+bug/397839/comments/8

------------------------------------------------------------------------
On 2009-08-01T13:38:34+00:00 agd5f wrote:

This sounds like a problem with the xserver dpms timer or gpm or whatever you are using to control the dpms timeout.  If you see things like:
disable LVDS
enable LVDS
in your log when it happens, then some external event is causing the driver's dpms function to be called.  Some other possible causes include video apps that fiddle with the dpms state to keep the screensaver from kicking in, or in the case of a momentary blanking of the screen on older cards, apps that query the randr state on a regular basis.

Reply at: https://bugs.launchpad.net/xserver-xorg-driver-
ati/+bug/397839/comments/11

------------------------------------------------------------------------
On 2009-08-10T14:55:26+00:00 Loïc Minier wrote:

FWIW I have the same bug on two Intel video machines

Reply at: https://bugs.launchpad.net/xserver-xorg-driver-
ati/+bug/397839/comments/16

------------------------------------------------------------------------
On 2009-08-12T09:20:01+00:00 Loïc Minier wrote:

https://bugs.launchpad.net/ubuntu/+source/gnome-power-
manager/+bug/397839/comments/11

Looks like it was an issue accidentally introduced in xserver and
accidentally fixed as well recently

Reply at: https://bugs.launchpad.net/xserver-xorg-driver-
ati/+bug/397839/comments/18

------------------------------------------------------------------------
On 2009-09-27T07:42:09+00:00 Loïc Minier wrote:

Closing this bug

Reply at: https://bugs.launchpad.net/xserver-xorg-driver-
ati/+bug/397839/comments/63


** Changed in: xserver-xorg-driver-ati
       Status: Invalid => Won't Fix

** Changed in: xserver-xorg-driver-ati
   Importance: Unknown => Medium

-- 
Screen randomly goes off in karmic
https://bugs.launchpad.net/bugs/397839
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