Public bug reported:
Binary package hint: xserver-xorg-video-ati
The sole monitor attached to this computer is Toshiba 42XV54SU
television. When I turn the television off, and later turn it back on,
the computer display does not appear (other inputs, such as cable TV do
work).
The only way I have found to restore the display without restarting X is this
script:
#!/bin/sh
DISPLAY=:0.0 xrandr --output DVI-1 --off
DISPLAY=:0.0 xrandr --output DVI-1 --auto
(I run it from another computer using SSH, since I can't see what I'm
doing.)
I have disabled the screen saver and the Power Managment setting "Put
display to sleep when inactive for" is set to Never
I used this setup under Jaunty and Karmic for the lives of those
distros, and did not experience this issue. It seems to be new in
Lucid. (OTOH, 3D acceleration works in Lucid for the first time, and I
have Desktop Effects enabled.)
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xserver-xorg-video-ati 1:6.13.0-1ubuntu5
ProcVersionSignature: Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-21-generic x86_64
Architecture: amd64
Date: Tue Apr 27 09:19:57 2010
DkmsStatus: Error: [Errno 2] No such file or directory
MachineType: Shuttle Inc SN27V10
ProcCmdLine: root=UUID=f1dca728-50d4-49ab-a185-f2ccbdf0cc68 ro quiet splash
ProcEnviron:
PATH=(custom, user)
LANG=en_CA.UTF-8
SHELL=/bin/bash
SourcePackage: xserver-xorg-video-ati
dmi.bios.date: 01/22/2007
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: FN27V10
dmi.board.vendor: Shuttle Inc
dmi.chassis.type: 3
dmi.chassis.vendor: Shuttle Inc
dmi.chassis.version: P2
dmi.modalias:
dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd01/22/2007:svnShuttleInc:pnSN27V10:pvr:rvnShuttleInc:rnFN27V10:rvr:cvnShuttleInc:ct3:cvrP2:
dmi.product.name: SN27V10
dmi.sys.vendor: Shuttle Inc
system:
distro: Ubuntu
codename: lucid
architecture: x86_64
kernel: 2.6.32-21-generic
** Affects: xserver-xorg-video-ati (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug lucid
--
turning off attached TV disables it
https://bugs.launchpad.net/bugs/570720
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