[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete = Expired
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However, given the number of bugs that the Kernel Team receives during
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Do you want me to try something else or may I clean install Ubuntu
10.04, as I plan? :]
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Title:
Adjusting brightness is impossible
To manage
Hello hate_bugs_89
There's a new kernel available, can you please install it:
1 - http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.0-rc2-oneiric
/linux-headers-3.0.0-0300rc2_3.0.0-0300rc2.201106081532_all.deb
2 - http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.0-rc2-oneiric
Hello, I installed these now. My nVidia drivers broke because of them,
so I'm back to Gnome. Brightness switching is just as troublesome as it
was originally.
Readding acpi_backlight=vendor.
*sudo update-grub*
*reboot*
It isn't exactly fixed, I noticed when the problems occur now, it is
when I
** Attachment added: dmesg
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/790435/+attachment/2164439/+files/dmesg
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Title:
Adjusting
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
** Tags added: natty oneiric
** Tags removed: brightness
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Title:
Adjusting
Thanks for staying with me, Fabio.
Here is what I have done so far:
- Removed 'acpi_backlight=vendor' from kernel boot parameters, since that fixed
the problem
- *sudo update-grub*
- ls /sys/class/backlight/
dell_backlight
(because of «Checking the kernel interfaces»).
*reboot*
Nothing changed,
I just noticed that the two-step, aka useless adjusting does not appear before
I am logged in.
Whilst logging in, I turned the brightness up and down, and then it was
behaving correclty.
I thought it was worth a mention.
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It's 32. Sorry for not adding any additional info. :)
** Description changed:
(11.04)
This causes big jumps in the brightness adjusting settings on Dell Inspiron
9400 – I've seen other Inspirons having the same problem, too (10.10). As it
says it's impossible to use it because it makes
Hello
Can you please install the latest mainline kernel clicking on the following
links:
1 - http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.39.1-oneiric
/linux-headers-2.6.39-02063901_2.6.39-02063901.201106030905_all.deb
2 - http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.39.1-oneiric
Hello
is your machine 32 or 64 bits?
** Package changed: ubuntu = linux (Ubuntu)
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Title:
Adjusting brightness is impossible
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ubuntu-bugs
Hello,
I did the steps adding 'acpi_backlight=vendor' to the kernel boot parameters,
and ran 'sudo update-grub' and restarted.
And actually, it works to quite some extent. The problem is not entirely gone,
but it is MUCH better. Thanks for the link.
I don't know what I'm supposed to do on the
** Description changed:
(11.04)
This causes big jumps in the brightness adjusting settings on Dell Inspiron
9400 – I've seen other Inspirons having the same problem, too (10.10). As it
says it's impossible to use it because it makes such BIG jumps between 100 %
brightness and down to 50.
** Tags added: brightness
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Title:
Adjusting brightness is impossible
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Hello
Are you able to follow this guide to colect informations for the developers?
https://wiki.ubuntu.com/Kernel/Debugging/Backlight
Fabio
** Changed in: ubuntu
Status: New = Incomplete
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