Just got a new kernel on 12.10, and backlight control is lost.
$ uname -a
Linux sputnik 3.5.0-39-generic #60-Ubuntu SMP Tue Aug 13 18:33:05 UTC 2013
x86_64 x86_64 x86_64 GNU/Linux
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OK, I removed Ubuntu Sputnik to leave Dell Sputnik
** No longer affects: sputnik (Ubuntu)
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https://bugs.launchpad.net/bugs/1181481
Title:
Disconnecting from external monitor - no lapto
** No longer affects: sputnik (Ubuntu)
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https://bugs.launchpad.net/bugs/1182449
Title:
New kernel stop brightness control
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Possibly got the wrong tracker. Not sure what the difference is between
Dell Sputnik and Ubuntu Sputnik.
** Also affects: dell-sputnik
Importance: Undecided
Status: New
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... trying a different bug tracker
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https://bugs.launchpad.net/bugs/1182449
Title:
New kernel stop brightness control
To manage notifications about this bug go to:
https://bugs.launchp
Oh, the problem affects me on a Sputnik device, so the Sputnik tracker
seemed right.
** Also affects: dell-sputnik
Importance: Undecided
Status: New
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Public bug reported:
Got a new kernel today, and now I've got no brightness control on the
XPS 13, either from the keyboard or from the control panel applet.
** Affects: sputnik (Ubuntu)
Importance: Undecided
Status: New
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this is on 12.04.2 LTS
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https://bugs.launchpad.net/bugs/1182449
Title:
New kernel stop brightness control
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubunt
Public bug reported:
When I connect my XPS 13 (12.04 fully patched) to an external monitor
via mini display port, I can mirror and extend no problem.
However, when I disconnect the monitor the laptop display blanks and
does not come back on.
I tried turning off the external monitor in system pre
I'm not able to reproduce this anymore. A fresh install of 13.04 after
release has the indicators showing.
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https://bugs.launchpad.net/bugs/1171392
Title:
Brightness control on Dell XPS
I'm not having any luck with this, however I required to reinstall the
bootable USB stick, and now I get the on screen brightness indication.
$ cat /proc/version
Linux version 3.8.0-19-generic (buildd@allspice) (gcc version 4.7.3
(Ubuntu/Linaro 4.7.3-1ubuntu1) ) #29-Ubuntu SMP Wed Apr 17 18:16:28
It'll take me a couple of days to try this.
I've been running 13.04 from a live USB stick, mainly because I wanted
to see if MTP to my Galaxy Nexus and Nexus 7 Android devices is working,
which it is.
Anyway I installed the new kernel onto 13,04 running on the USB stick
thinking it would be OK, b
Public bug reported:
As it says. On 12.04 changing the screen brightness causes an on-screen
image that shows where the brightness ie between all the way and all the
way up.
On the 13.04 beta I installed today, no screen image so I don't know
where I've set the brightness.
Presuming its a kernel
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