Just tested 3.11.0-15.23 (yesterday was 3.11.0-15.22): same result as
above.
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https://bugs.launchpad.net/bugs/1163720
Title:
Brightness control broken on XPS13 and 3.8.0-16
Hi, I have tested 3.11.0-15-generic on Suacy from proposed and it behaves
exactly as 3.11.0-14-generic that is:
- With Secure Boot = Off; Load Legacy Rom = ON; display brightness control is OK
- With Secure Boot = On; black display
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I'be just tested kernel 3.12 from mainline adn the bug is still there (UEFI
mode):
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12-saucy/
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Public bug reported:
It's a weird thing: I have an Apple magic mouse connected via bluetooth to my
Dell XPS 13 laptop. When gnome shell starts, the mouse pointer is is not shown
on the screen... however if a move the mouse, the pointer it is still not shown
but it actually moves... if fact if I
*** 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 patche
...again additional info: if I boot the live media in legacy mode, the screen
brigthness works!
My problem now is that I need (for work reasons) to keeo a dual boot with
windows 8 that (in my knowledge) requires UEFI boot mode.
WHen I did my dual boot in Raring, I installed ubuntu in UEFI mode an
...as additional information, I booted with a live media (Ubuntu 13.10 x64
Gnome edition) and I have connected an external monitor (screen mirroring).
The interesting thing is that if I press fn f4/f5 keys, the hud indicator (that
is also displayed on the external monitor) shows me brightness ico
** Summary changed:
- Brightness control broken on XPS13 with 3.8.0-16 and 3.8.0-22
+ Brightness control broken on XPS13 and 3.8.0-16, 3.8.0-22 and 3.11.0-12
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Markbert thanks for your hint, but safe boot is already off on my
computer but I get black screen with any kernel I've tried other than
3.8.0-29 inherited by Raring
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https
I've just tested kernel 3.12-rc6-saucy (linux-
image-3.12.0-031200rc6-generic_3.12.0-031200rc6.201310191635_amd64.deb)
but I still get a black screen and the fn keys are not working. :(
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
Public bug reported:
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 sess
Also kernel 3.11.5 from here http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.11.5-saucy/ is broken: balck display on Dell XPS 13
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Ti
I've just upgraded to kernel 3.11.0.12.13 on Dell XPS 13 and the display
brightness is broken again (0%). This is on Saucy 13.10.
With 3.8.0-29.42 it works.
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I've just upgraded to kernel 3.11.0.12.13 on Dell XPS 13 and the display
brightness is broken again (0%).
WIth 3.8.0-29.42 it works.
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