I tested the 2.6.34-rc6 kernel as well, and it fixes the issue on my
Lenovo G550.
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[Karmic Lucid Beta 1] Brightness fn keys lost functionality (Lenovo laptops)
https://bugs.launchpad.net/bugs/406515
You received this bug notification because you are a member of Ubuntu
Desktop Bugs, which is
Actually, Confirmed is more appropriate here because Fix Committed
implies that the release is in -proposed. Thanks for testing the
mainline build, though, that will help speed things along.
** Changed in: linux (Ubuntu)
Status: Fix Committed = Confirmed
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[Karmic Lucid Beta 1]
** Changed in: linux (Ubuntu)
Status: Confirmed = Triaged
** Tags added: kernel-needs-review kernel-uncat
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[Karmic Lucid Beta 1] Brightness fn keys lost functionality (Lenovo laptops)
https://bugs.launchpad.net/bugs/406515
You received this bug notification because you are a member of
I've tested the 2.6.34-rc6 kernel and it fixes the issue completely!!! Thanks!!!
You can easily download and install it from
http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.34-rc6-lucid/
** Changed in: linux (Ubuntu)
Status: Confirmed = Fix Released
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[Karmic Lucid Beta 1]
I wouldn't say that a fix is released, since it's only a workaround
using an unsupported release candidate kernel. I think a real fix would
be to have this fix backported to official lucid (and maybe karmic)
kernels, but until that it's a working *temporary* solution. :)
--
[Karmic Lucid Beta
Yes, you're right, it's not official and supported yet, just fixed.
** Changed in: linux (Ubuntu)
Status: Fix Released = Fix Committed
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[Karmic Lucid Beta 1] Brightness fn keys lost functionality (Lenovo laptops)
https://bugs.launchpad.net/bugs/406515
You received this bug
Even the same issue with lenovo y410 with 10.04, brightness keys are not
getting captured in any input/eventX
All other features work fine. including automatic brightness control.
There is a crazy issue with this laptop.
brightness value varies from 0 - 5 and 5 - 10 where 5 being the least
and
I updated the kernel to 2.6.34-020634rc6-generic and the voila, the
function keys to change brightness works fine.
Issue with 5 being the least brightness is not yet resolved. Let me know if
there is any workaround.
When the system is on battery, the brightness reduced automatically to half (5)
Thanks for the tip Prakash - I can also confirm the brightness keys now
work on my Lenovo G530 with kms enabled using 2.6.34-020634rc6-generic
from kernel-ppa. It incorporates the previously mentioned patch from the
kernel bugzilla:
Zhang Rui (1):
drm/i915: set DIDL using the ACPI video
I have this problem on my Samsung R730, Lucid Release Candidate
--
[Karmic Lucid Beta 1] Brightness fn keys lost functionality (Lenovo laptops)
https://bugs.launchpad.net/bugs/406515
You received this bug notification because you are a member of Ubuntu
Desktop Bugs, which is subscribed to
Confirmed with my Lenovo G530.
Without any changes to boot params, the brightness keys work until
gdm, (eg ok during plymouth) and also in single user mode. No acpi
events are generated though.
Using acpi=off works also (no events generated, handled by bios
I suppose), but is useless as it kills
HP Pavilion dv2500 shows the same issue. The acpi=off brings FN+F7/F8
back to life but at the cost of WiFi. I can be a hint but it's not good
enough even as a workaround, as far as I'm concerned.
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[Karmic Lucid Beta 1] Brightness fn keys lost functionality (Lenovo laptops)
@Paul Dufresne: acpi_backlight=vendor | acpi_backlight=video don't bring
any difference.
@raido357: acpi=off works on Lucid beta 1! Thanks. If I remember
correct, it didn't on Karmic!
My FN brightness keys works now under Lenovo N200 after adding
acpi=off to GRUB_CMDLINE_LINUX_DEFAULT= line in
Still exists on MacBook Pro 5,3 with Lucid Beta 1.
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[Karmic Lucid Beta 1] Brightness fn keys lost functionality (Lenovo laptops)
https://bugs.launchpad.net/bugs/406515
You received this bug notification because you are a member of Ubuntu
Desktop Bugs, which is subscribed to
Count me in too - Clevo W83T.
Booting with acpi=off makes FN brightness keys work but ofcource
everything acpi like is killed.
Anyone who has problem, please try acpi=off.
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[Karmic Lucid Beta 1] Brightness fn keys lost functionality (Lenovo laptops)
https://bugs.launchpad.net/bugs/406515
No on install of Lucid Beta 1, problem still exists.
** Summary changed:
- [Karmic] Brightness fn keys lost functionality (Lenovo laptops)
+ [Karmic Lucid Beta 1] Brightness fn keys lost functionality (Lenovo laptops)
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[Karmic Lucid Beta 1] Brightness fn keys lost functionality (Lenovo
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