Public bug reported:
This report is another entry for the bug#1205694 described
here:https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1205694
External screen on ASUS Taichi21 ultrabook doesn't show anything. The backlight
is always off also.
Both screens are being recognaized by OS, and can be managed, but external
screen is off, no matter which options are chosen.
Tested with 3.8 repository kernel, and with 3.13.0-0311300rc3 mainline
kernel.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: linux-image-3.8.0-34-generic 3.8.0-34.49
ProcVersionSignature: Ubuntu 3.8.0-34.49-generic 3.8.13.12
Uname: Linux 3.8.0-34-generic x86_64
ApportVersion: 2.9.2-0ubuntu8.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: soimimozo 1844 F.... pulseaudio
Date: Thu Dec 12 17:06:14 2013
HibernationDevice: RESUME=UUID=76d4fac3-6b56-4dc2-b04b-1590849c4026
InstallationDate: Installed on 2013-12-09 (2 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MachineType: ASUSTeK COMPUTER INC. TAICHI21A
MarkForUpload: True
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-34-generic
root=UUID=b0c6a357-cbe3-4ed0-8193-2d90569de03d ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.8.0-34-generic N/A
linux-backports-modules-3.8.0-34-generic N/A
linux-firmware 1.106
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/04/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: TAICHI21A.203
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: TAICHI21A
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.:bvrTAICHI21A.203:bd02/04/2013:svnASUSTeKCOMPUTERINC.:pnTAICHI21A:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnTAICHI21A:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: TAICHI21A
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug raring
** Description changed:
This report is another entry for the bug#1205694 described
here:https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1205694
External screen on ASUS Taichi21 ultrabook doesn't show anything. The
backlight is always off also.
Both screens are being recognaized by OS, and can be managed, but external
screen is off, no matter which options are chosen.
+
+ Tested with 3.8 repository kernel, and with 3.13.0-0311300rc3 mainline
+ kernel.
+
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: linux-image-3.8.0-34-generic 3.8.0-34.49
ProcVersionSignature: Ubuntu 3.8.0-34.49-generic 3.8.13.12
Uname: Linux 3.8.0-34-generic x86_64
ApportVersion: 2.9.2-0ubuntu8.5
Architecture: amd64
AudioDevicesInUse:
- USER PID ACCESS COMMAND
- /dev/snd/controlC0: soimimozo 1844 F.... pulseaudio
+ USER PID ACCESS COMMAND
+ /dev/snd/controlC0: soimimozo 1844 F.... pulseaudio
Date: Thu Dec 12 17:06:14 2013
HibernationDevice: RESUME=UUID=76d4fac3-6b56-4dc2-b04b-1590849c4026
InstallationDate: Installed on 2013-12-09 (2 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MachineType: ASUSTeK COMPUTER INC. TAICHI21A
MarkForUpload: True
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-34-generic
root=UUID=b0c6a357-cbe3-4ed0-8193-2d90569de03d ro quiet splash vt.handoff=7
RelatedPackageVersions:
- linux-restricted-modules-3.8.0-34-generic N/A
- linux-backports-modules-3.8.0-34-generic N/A
- linux-firmware 1.106
+ linux-restricted-modules-3.8.0-34-generic N/A
+ linux-backports-modules-3.8.0-34-generic N/A
+ linux-firmware 1.106
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/04/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: TAICHI21A.203
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: TAICHI21A
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.:bvrTAICHI21A.203:bd02/04/2013:svnASUSTeKCOMPUTERINC.:pnTAICHI21A:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnTAICHI21A:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: TAICHI21A
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
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https://bugs.launchpad.net/bugs/1260214
Title:
ASUS Taichi21 External screen doesn't work.
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