Vadim, I have successfully upgraded to 13.10. I am still booting with
3.8.0-29-generic even on Saucy. The installation process kept the kernel
I was using, so I think you can safely try to upgrade.
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This bug was fixed in the package linux - 3.2.0-55.85
---
linux (3.2.0-55.85) precise; urgency=low
[Steve Conklin]
* Release Tracking Bug
- LP: #1233349
[ Upstream Kernel Changes ]
* kernel-doc: bugfix - multi-line macros
- LP: #1223920
* Revert ARM: 7810/1:
This bug was fixed in the package linux - 3.2.0-55.85
---
linux (3.2.0-55.85) precise; urgency=low
[Steve Conklin]
* Release Tracking Bug
- LP: #1233349
[ Upstream Kernel Changes ]
* kernel-doc: bugfix - multi-line macros
- LP: #1223920
* Revert ARM: 7810/1:
I have dell xps 13 too and the latest kernel where brightness works is
3.8.0-29. So I'm staying on it right now (Ubuntu 13.04) and according
the comments it's not safe to upgrade to 13.10.
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3.8.0-32 from proposed is still broken on XPS/UEFI
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https://bugs.launchpad.net/bugs/1163720
Title:
Brightness control broken on XPS13 with 3.8.0-16 and 3.8.0-22
Status in
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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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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Tested with 3.8.0-32 kernel from raring-proposed on a Toshiba laptop displaying
the same problem.
New kernel fixes the issue - brightness controls work again.
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** Also affects: linux (Ubuntu Precise)
Importance: Undecided
Status: New
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Title:
Brightness control broken on XPS13 with
** Changed in: linux (Ubuntu Precise)
Status: New = Fix Committed
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Title:
Brightness control broken on XPS13 with 3.8.0-16
tested with 3.8.0-32 kernel from raring-proposed, x86_64 A09 UEFI mode.
Bug is still present, brightness is always minimum, and Fn+F4/F5 does
nothing.
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This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
precise' to 'verification-done-precise'.
If verification is not done by 5 working days
** Branch linked: lp:ubuntu/precise-proposed/linux-ti-omap4
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Title:
Brightness control broken on XPS13 with 3.8.0-16 and 3.8.0-22
Hi Dinki (curious-mitchell)
I think the point is that this laptop IS supplied AND certified for Ubuntu
single boot and as so is supplied in BIOS (they say Legacy) mode.
The LCD back-light issue appeared as a regression for the ones who stayed in
BIOS mode, but also appeared for those who
@dinky : officially, dell only support 12.04 LTS at the moment. Stick
with it if you want a better experience and don't want to live
dangerously ;-)
Windows also have a bunch of bugs, you need to acknowledge that, but you
don't know about them because it is not open. With ubuntu (more
generally,
@autra
Yes: check my bugs ;)
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Title:
Brightness control broken on XPS13 with 3.8.0-16 and 3.8.0-22
Status in The Linux Kernel:
Could somebody at least reopen this bug, please, as it is not fixed in
UEFI mode ?
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Title:
Brightness control broken on XPS13 with
@Bib @autra
Thanks for your thoughts - it's good to keep things in perspective. My
point is more that rapid adoption of Ubuntu would be achieved faster if
these recurring 'bugs' with flagship hardware could be sorted out. That
said, I'm a fairly happy Ubuntu user, and have been using it since
Martin
Maybe if you run apport-collect 1163720 this will give more to eat to our
kind Kamal?
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Title:
Brightness control broken on
** Tags added: l322x
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Title:
Brightness control broken on XPS13 with 3.8.0-16 and 3.8.0-22
Status in The Linux Kernel:
Still work in 3.8.0-31-generic x86_64 A09 BIOS mode
I found another bug that reports keyboard backlight that can't go back
to autodim on ambiant light changes once FnF6 was pressed since last
boot : https://bugs.launchpad.net/dell-sputnik/+bug/1056386
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and still NOT working in 3.8.0-31-generic x86_64 A09 UEFI mode
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Title:
Brightness control broken on XPS13 with 3.8.0-16 and
I don't understand why this is such an ongoing problem - isn't the XPS
13 ultrabook supposed to be the developer laptop? I thought the whole
point was to provide a seamless experience for developers - and others -
who want a Ubuntu ultrabook that's fully supported and 'just works'.
What's going on
Not fixed, still present on kernel 3.8.0-31-genric
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Title:
Brightness control broken on XPS13 with 3.8.0-16 and 3.8.0-22
Status in
I have the same problem, brightness control doesn't work with kernel
upper to 3.8.0-29-generic
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Title:
Brightness control broken on
I *need* ubuntu in UEFI mode, so this bug is *not* fixed for me.
Please, reopen it.
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Title:
Brightness control broken on XPS13 with
Can confirm that XPS13 booting UEFI is broken by the update to 3.8.0-30;
brightness is not adjustable again. Fixed by reverting to the 3.8.0-29
kernel.
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Just as info, for me it works since 3.8.0-30 without UEFI. So, for me
it's actually fixed.
Linux sputnik 3.8.0-30-generic #44~precise1-Ubuntu SMP Fri Aug 23
18:32:41 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
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3.8.0.30-44 fixed L322X brightness and keyboard backlight controls (Bios
A09 with 64bit ubuntu installed in BIOS mode).
Thank you Kamal
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I changed to EFI without reinstalling before, that didn't fix it.
After updating to the newest kernel it works now.
Linux mango 3.8.0-30-generic #44-Ubuntu SMP Thu Aug 22 20:52:24 UTC 2013
x86_64 x86_64 x86_64 GNU/Linux
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alex, you know that by switching to EFI you did nothing? you are suppose
to not only switch mode to UEFI, but ALSO install OS in UEFI mode for
brightness to work on .29 kernel. Unfortunately, it seems like the fix
for Brightness control in BIOS mode broke the brightness in UEFI mode.
So this is
arf, yes, thank you Bib, but that's what I mean :
- kernel 3.8.0-29 : everything ok, brightness is adjustable, with Fn+F4/F5 or
via a XFCE widget
- kernel 3.8.0-30 : nothing work, brightness always minimum, Fn+F4/F5
doesn't work, XFCE widget doesn't work.
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there's an error in my previous report.
- kernel 3.8.0-29 : everything ok, brightness is adjustable, with
CTRL+F4/F5 or via a XFCE widget
- kernel 3.8.0-30 : nothing work, brightness always minimum, CTRL+F4/F5
doesn't work, XFCE widget doesn't work.
My laptop is a Dell XPS 13 with the 1080p
This bug was fixed in the package linux - 3.8.0-30.44
---
linux (3.8.0-30.44) raring; urgency=low
[Steve Conklin]
* Release Tracking Bug
- LP: #1215596
[ Upstream Kernel Changes ]
* Don't attempt to send extended INQUIRY command if skip_vpd_pages is set
- LP:
same problems as Andrea, brightness control is broken (very low, fixed,
controls don't work) with the last kernel 3.8.0-30.44.
I have to start with the previous kernel 3.8.0-29, but ctrl+F4/F5 doesn't work
and brightness is always maximum.
Dell XPS 13 1080p, 13.04 64bit.
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** Branch linked: lp:ubuntu/quantal-proposed/linux-ti-omap4
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Title:
Brightness control broken on XPS13 with 3.8.0-16 and 3.8.0-22
Re-verified:
Quantal 3.5.0-40.62
Raring 3.8.0-30.44
** Tags removed: verification-needed-quantal verification-needed-raring
** Tags added: verification-done-quantal verification-done-raring
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This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed'
to 'verification-done'.
If verification is not done by one week from today, this fix will
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed'
to 'verification-done'.
If verification is not done by one week from today, this fix will
Hi Daniel. Had to do a reinstall; hadn't left any space on the drive
for an EFI partition.
I installed the Ubuntu 13.04 x64 release, which came with the 3.8.0-19
kernel. This had a strange result, which was that the screen was fixed
to minimum (backlight off) brightness, and wouldn't change.
This bug was fixed in the package linux - 3.11.0-1.4
---
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[ Tim Gardner ]
* Bump ABI when making changes to the inclusion list lest
you cause conflicts with existing installed kernel
packages.
- LP: #1210331
-- Tim Gardner
Addie: Did you do a reinstall or just switch to EFI mode and update the
bootloader? If the Former, please confirm what the difference in
packages and package versions is between your previous install and your
current install.
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Can confirm Nikki1993's fix: switching to UEFI boot fixes the issue
entirely.
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Title:
Brightness control broken on XPS13 with
Still an issue on 3.8.0-27 64-bit.
frank-g-hansen's script works around the issue well. For some reason,
my case selection has to read:
case ${1} in
true|resume|thaw)
... in order to resume brightness control after sleep.
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LoL, My brightness works as intended. I am on Ubuntu 13.04 64bit Kernel
3.8.0-27-generic
It didn't work when I installed Ubuntu in BIOS mode (since XPS 13 ships with
Motherboard that is UEFI), when I switched to UEFI mode and reinstalled my OS,
brightness issue was fixed. I can lower it down
Hi,
how about a workaround? I cannot write a script at all, but from Google
searches on how to do stuff I created my own workaround:
1) For working brightness buttons after startup and a startup brightness
of 50 % I added the following to the file /etc/rc.local (before the exit
0):
bash -c echo
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