Here's the culprit from #6: [ 3.018187] [drm] bad panel power
sequencing delays, disabling panel
And presumably without the external monitor attached, we read the values
the BIOS is using for the panel instead - and that with the external
attached, the BIOS is skipping the eDP.
That should be fixed by
commit 82ed61fa1a4e08d5f9e86fb1b715b50ed678b6ac
Author: Daniel Vetter <[email protected]>
Date: Sat Oct 20 20:57:41 2012 +0200
drm/i915: make edp panel power sequence setup more robust
in v3.8. Can you please try with the kernel from raring?
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/1076389
Title:
[12.10] eDP with external monitor plugged in, only external monitor
works
Status in “xserver-xorg-video-intel” package in Ubuntu:
Incomplete
Bug description:
If I reboot with an external monitor attached, the monitor works, but
the laptop's internal screen doesn't.
Running the System Settings>Displays program doesn't see the internal
screen.
xrandr -q also only sees the external monitor.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: xorg 1:7.7+1ubuntu4
ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7
Uname: Linux 3.5.0-18-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.6.1-0ubuntu6
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
Date: Thu Nov 8 15:17:15 2012
DistUpgraded: Fresh install
DistroCodename: quantal
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166]
(rev 09) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device [1043:1517]
InstallationDate: Installed on 2012-10-18 (20 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MachineType: ASUSTeK COMPUTER INC. UX21A
MarkForUpload: True
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-18-generic
root=UUID=b871ad05-26b6-48dc-891a-0fc5c61e90e8 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/06/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: UX21A.209
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: UX21A
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.:bvrUX21A.209:bd06/06/2012:svnASUSTeKCOMPUTERINC.:pnUX21A:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX21A:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: UX21A
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
version.compiz: compiz 1:0.9.8.4+bzr3407-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.39-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
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 2:2.20.9-0ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.2-0ubuntu3
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