*** This bug is a duplicate of bug 1163720 ***
https://bugs.launchpad.net/bugs/1163720
After some discussion with Kamal Mostafa (kamalmostafa), we've agreed that this
is actually a dupe of bug 1163720.
It is a kernel bug with some intel based laptops (not only Dell) in UEFI mode.
Some patches are currenlty being tested...
** This bug has been marked a duplicate of bug 1163720
Brightness control broken on XPS13 and 3.8.0-16, 3.8.0-22 and 3.11.0-12
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https://bugs.launchpad.net/bugs/1243539
Title:
Black screen on Dell XPS 13 (L322X) with Ubuntu Gnome 13.10 x64 live
media in UEFI mode
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
I've booted from a live USB media of Ubuntu Gnome 13.10 on my Dell XPS 13
(L322X) and the laptop screen is just black. Nothin happens if I press the fn
key to adjust brightness.
I've connected an external monitor and the desktop is there, up and running
(I'm using that session to report this bug right now).
On the same laptop, by upgrading from Raring (and staying with kernel 3.8)
the laptop screen and brigthness adjustment works fine.
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: linux-image-3.11.0-12-generic 3.11.0-12.19
ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
Uname: Linux 3.11.0-12-generic x86_64
ApportVersion: 2.12.5-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu-gnome 2757 F.... pulseaudio
CasperVersion: 1.336ubuntu1
Date: Wed Oct 23 06:13:39 2013
LiveMediaBuild: Ubuntu-GNOME 13.10 "Saucy Salamander" - Release amd64
(20131017)
MachineType: Dell Inc. Dell System XPS L322X
MarkForUpload: True
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi
file=/cdrom/preseed/username.seed boot=casper quiet splash --
RelatedPackageVersions:
linux-restricted-modules-3.11.0-12-generic N/A
linux-backports-modules-3.11.0-12-generic N/A
linux-firmware 1.116
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/15/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A09
dmi.board.name: 091F4Y
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 0.1
dmi.modalias:
dmi:bvnDellInc.:bvrA09:bd05/15/2013:svnDellInc.:pnDellSystemXPSL322X:pvr:rvnDellInc.:rn091F4Y:rvrA00:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: Dell System XPS L322X
dmi.sys.vendor: Dell Inc.
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