> @Batuhan: I tested your workaround script and it works fine for me,
> thanks a lot! (HD XPS13 "Sputnik", Kubuntu 13.04, kernel
> 3.8.0-25-generic, BIOS A07)
>
> Installing the ubuntu-desktop package, I also found that the onscreen
> display not being displayed when changing brightness seems to be a KDE
> bug, at least the OSD is working in an ubuntu session.
>
> slightly off-topic: could someone please point me to a website
> explaining how to upgrade the BIOS within ubuntu. Are there relevant
> differences between A07 and A08?
>
> --
> 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:
> Confirmed
>
> 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
>
Upgraded to 3.8.0-26-generic #38-Ubuntu SMP, backlight control still not
working on XPS13 Full HD laptop with latest bios.
2013/6/17 <email address hidden> <email address hidden>
> @Batuhan: I tested your workaround script and it works fine for me, /bugs.launchpad .net/bugs/ 1169376 UUID=a5d2ab8b- a068-4a69- 95a6-b4e955b290 f5 DIR=<set> /vmlinuz- 3.8.0-18- generic mapper/ ubuntu- -vg-root ro quiet splash vt.handoff=7 ature: Ubuntu 3.8.0-18.28-generic 3.8.6 ersions: d-modules- 3.8.0-18- generic N/A -modules- 3.8.0-18- generic N/A version: 0.1 :bvrA07: bd01/22/ 2013:svnDellInc .:pnDellSystemX PSL322X: pvr:rvnDellInc. :rn0PJHXN: rvrA00: cvnDellInc. :ct8:cvr0. 1: /bugs.launchpad .net/dell- sputnik/ +bug/1169376/ +subscriptions
> thanks a lot! (HD XPS13 "Sputnik", Kubuntu 13.04, kernel
> 3.8.0-25-generic, BIOS A07)
>
> Installing the ubuntu-desktop package, I also found that the onscreen
> display not being displayed when changing brightness seems to be a KDE
> bug, at least the OSD is working in an ubuntu session.
>
> slightly off-topic: could someone please point me to a website
> explaining how to upgrade the BIOS within ubuntu. Are there relevant
> differences between A07 and A08?
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https:/
>
> Title:
> XPS13 backlight stopped working after update 3.8.0-18.28
>
> Status in Dell Sputnik:
> Confirmed
> Status in “linux” package in Ubuntu:
> Confirmed
>
> 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=
> 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_
> LANG=en_US.UTF-8
> SHELL=/bin/bash
> ProcFB: 0 inteldrmfb
> ProcKernelCmdLine: BOOT_IMAGE=
> root=/dev/
> ProcVersionSign
> RelatedPackageV
> linux-restricte
> linux-backports
> 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.
> dmi.modalias:
> dmi:bvnDellInc.
> dmi.product.name: Dell System XPS L322X
> dmi.sys.vendor: Dell Inc.
>
> To manage notifications about this bug go to:
> https:/
>