I have the Dell XPS 13 (L322X) 1080 bios version A09 and I run it in legacy boot mode. The back light control is working for me.
On 5 Sep 2013 21:55, "Koos" <1169...@bugs.launchpad.net> wrote: > I have the DELl XPS 13 (L322X) Developer edition, that is the 1080p > version, I run it in UEFI boot mode. > it has the latest bios verion A09. > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1169376 > > Title: > XPS13 backlight stopped working after update 3.8.0-18.28 > > Status in Dell Sputnik: > Confirmed > Status in “linux” package in Ubuntu: > Incomplete > > Bug description: > I'm on 13.04 beta 2 and I've been updating daily. After today's > update, I was asked to restart and, after the restart, the backlight > stopped working. What's worse is that the backlight is stuck in the > lowest possible setting. I can barely see enough to type out this bug > report. This is not a hardware problem. When I restart the computer > the backlight turns on property but burns off when the Ubuntu > encryption screen comes up (I'm using full disk encryption). Please > fix this as soon as possible. > > XPS 13 version: L322x > Display version: FHD (1080p) > --- > ApportVersion: 2.9.2-0ubuntu8 > Architecture: amd64 > AudioDevicesInUse: > USER PID ACCESS COMMAND > /dev/snd/controlC0: cr45h 1901 F.... pulseaudio > DistroRelease: Ubuntu 13.04 > HibernationDevice: RESUME=UUID=a5d2ab8b-a068-4a69-95a6-b4e955b290f5 > InstallationDate: Installed on 2013-04-08 (9 days ago) > InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 > (20130402.1) > MachineType: Dell Inc. Dell System XPS L322X > MarkForUpload: True > Package: linux (not installed) > ProcEnviron: > TERM=xterm > PATH=(custom, no user) > XDG_RUNTIME_DIR=<set> > LANG=en_US.UTF-8 > SHELL=/bin/bash > ProcFB: 0 inteldrmfb > ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-18-generic > root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7 > ProcVersionSignature: Ubuntu 3.8.0-18.28-generic 3.8.6 > RelatedPackageVersions: > linux-restricted-modules-3.8.0-18-generic N/A > linux-backports-modules-3.8.0-18-generic N/A > linux-firmware 1.105 > Tags: raring > Uname: Linux 3.8.0-18-generic x86_64 > UpgradeStatus: No upgrade log present (probably fresh install) > UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo > dmi.bios.date: 01/22/2013 > dmi.bios.vendor: Dell Inc. > dmi.bios.version: A07 > dmi.board.name: 0PJHXN > 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.:bvrA07:bd01/22/2013:svnDellInc.:pnDellSystemXPSL322X:pvr:rvnDellInc.:rn0PJHXN:rvrA00:cvnDellInc.:ct8:cvr0.1: > dmi.product.name: Dell System XPS L322X > dmi.sys.vendor: Dell Inc. > > To manage notifications about this bug go to: > https://bugs.launchpad.net/dell-sputnik/+bug/1169376/+subscriptions > -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1169376 Title: XPS13 backlight stopped working after update 3.8.0-18.28 Status in Dell Sputnik: Confirmed Status in “linux” package in Ubuntu: Incomplete Bug description: I'm on 13.04 beta 2 and I've been updating daily. After today's update, I was asked to restart and, after the restart, the backlight stopped working. What's worse is that the backlight is stuck in the lowest possible setting. I can barely see enough to type out this bug report. This is not a hardware problem. When I restart the computer the backlight turns on property but burns off when the Ubuntu encryption screen comes up (I'm using full disk encryption). Please fix this as soon as possible. XPS 13 version: L322x Display version: FHD (1080p) --- ApportVersion: 2.9.2-0ubuntu8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: cr45h 1901 F.... pulseaudio DistroRelease: Ubuntu 13.04 HibernationDevice: RESUME=UUID=a5d2ab8b-a068-4a69-95a6-b4e955b290f5 InstallationDate: Installed on 2013-04-08 (9 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130402.1) MachineType: Dell Inc. Dell System XPS L322X MarkForUpload: True Package: linux (not installed) ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-18-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.8.0-18.28-generic 3.8.6 RelatedPackageVersions: linux-restricted-modules-3.8.0-18-generic N/A linux-backports-modules-3.8.0-18-generic N/A linux-firmware 1.105 Tags: raring Uname: Linux 3.8.0-18-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo dmi.bios.date: 01/22/2013 dmi.bios.vendor: Dell Inc. dmi.bios.version: A07 dmi.board.name: 0PJHXN 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.:bvrA07:bd01/22/2013:svnDellInc.:pnDellSystemXPSL322X:pvr:rvnDellInc.:rn0PJHXN:rvrA00:cvnDellInc.:ct8:cvr0.1: dmi.product.name: Dell System XPS L322X dmi.sys.vendor: Dell Inc. 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