The bug still occurs (and the posted workaround still applies) with
kernel 3.13.0-24.47.
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Thank you for taking the time to file a bug report on this issue.
However, given the number of bugs that the Kernel Team receives during
any development cycle it is impossible for us to review them all.
Therefore, we occasionally resort to using automated bots to request
further testing. This is
Missed comment #9. :-|
The workaround is still required in 14.04, using nvidia-337 from
ppa:xorg-edgers.
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Title:
[MacBookPro10,1] brightness
** Changed in: linux (Ubuntu)
Status: Expired = Confirmed
** Tags added: trusty
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Title:
[MacBookPro10,1] brightness setting has no
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete = Expired
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Levi Bard, could you please confirm this issue exists with the latest
development release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/current/ . If the issue remains,
could you please just make a comment to this.
** Summary changed:
- MacBookPro10,1 brightness
Re: #7
Yes!
Is this something that's safe to put into a startup script for now, or should I
just run it when I need to?
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Title:
MacBookPro10,1
** Description changed:
After upgrade from 13.04 to 13.10, setting the screen brightness has no
effect (either via the hotkeys, Brightness Lock settings, or via
/sys/devices/pnp0/00:07/backlight/gmux_backlight/brightness ).
I'm using nvidia driver 319.32-0ubuntu7.
I've tried Option
Can you see if this fixes the nvidia backlight control issues?
setpci -v -H1 -s 00:01.00 BRIDGE_CONTROL=0
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Title:
MacBookPro10,1 brightness
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Title:
MacBookPro10,1 brightness setting has no effect
To manage
Levi Bard, could you please comment to which nvidia driver package you
were using specifically in Raring when this problem did not occur?
As well, does nouveau provide a WORKAROUND to this?
** Tags added: regression-release
** Tags added: latest-bios-08082012
** Changed in: linux (Ubuntu)
I was using 310 in 13.04 (and possibly 304 before that; can't remember)
- in that case, the brightness control worked intermittently for each
suspend/resume cycle. The behavior has become consistent in 13.10;
unfortunately, it's consistently the not responding case.
I can't even get X to start
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.12 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
The nvidia driver wrapper doesn't build with that kernel (make.log
attached).
** Attachment added: DKMS make log for nvidia 319.32-0ubuntu7
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1243897/+attachment/3890088/+files/make.log
** Tags added: kernel-unable-to-test-upstream
**
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux (Ubuntu)
Status: New = Confirmed
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Title:
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