Hmm, it seems that magically maybe the last 2.20.x release fixed this
for me. Which is great, of course.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1055987
Title:
[sna] Need tty switch after screen off to resume display
Status in “xserver-xorg-video-intel” package in Ubuntu:
Fix Released
Bug description:
This only happens with SNA (Option "AccelMethod" "sna"). Whenever
screen is turned off by idling for the set idle time, it does not
resume on eg. keyboard input. I need to additionally switch for
example to tty1 (ctrl-alt-f1) and back to X (alt-f7) to get display
back. This happens every time on my sandy bridge machine, and I
remember seeing this months ago as well so it's not a new problem.
This is not bug #966744 since nothing problematic otherwise seems to
be going on. I did not yet find an upstream bug reporting this.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: xserver-xorg-video-intel 2:2.20.8-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-15.22-generic 3.5.4
Uname: Linux 3.5.0-15-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.5.2-0ubuntu4
Architecture: amd64
CheckboxSubmission: 1896b893828b4203b948b1eb6546be06
CheckboxSystem: d00f84de8a555815fa1c4660280da308
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
Date: Tue Sep 25 10:01:59 2012
DistUpgraded: 2012-09-04 13:34:07,753 DEBUG enabling apt cron job
DistroCodename: quantal
DistroVariant: ubuntu
EcryptfsInUse: Yes
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation 2nd Generation Core Processor Family Integrated Graphics
Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device [1043:1427]
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64
(20120316)
MachineType: ASUSTeK Computer Inc. UX31E
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-15-generic
root=UUID=3a913d68-5aad-4ac9-9436-4798da5b8fc2 ro
crashkernel=384M-2G:64M,2G-:128M quiet splash drm.vblankoffdelay=1
i915.semaphores=1 pcie_aspm=force vt.handoff=7
SourcePackage: xserver-xorg-video-intel
UpgradeStatus: Upgraded to quantal on 2012-09-04 (20 days ago)
XorgConf:
Section "Device"
Identifier "Configured Video Device"
Driver "intel"
Option "AccelMethod" "sna"
EndSection
dmi.bios.date: 03/12/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: UX31E.212
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: UX31E
dmi.board.vendor: ASUSTeK Computer Inc.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer Inc.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrUX31E.212:bd03/12/2012:svnASUSTeKComputerInc.:pnUX31E:pvr1.0:rvnASUSTeKComputerInc.:rnUX31E:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
dmi.product.name: UX31E
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer Inc.
version.compiz: compiz 1:0.9.8.2+bzr3377-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.39-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0~git20120917.7cfd42ce-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0~git20120917.7cfd42ce-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:6.99.99~git20120913.8637f772-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.8-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.2-0ubuntu1
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