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Tasklist

FS#17701 - [kernel26] brightness control (gnome-power-manager) broken with 2.6.32 when KMS enabled

Attached to Project: Arch Linux
Opened by denis odessa (denodessa) - Monday, 04 January 2010, 11:29 GMT
Last edited by Roman Kyrylych (Romashka) - Saturday, 23 January 2010, 16:37 GMT
Task Type Bug Report
Category Upstream Bugs
Status Closed
Assigned To No-one
Architecture i686
Severity Medium
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:

After last kernel upgrade where Intel video KMS was enabled by default, brightness control via hotkeys on my laptop is broken.

Disable KMS by setting "options i915 modeset=0" in modprobe.conf fixes this issue (brightness control via hotkeys is ok).



Additional info:

* package version(s)

kernel26 2.6.32.2-2
xorg-server 1.7.3.902-1
gnome-power-manager 2.28.2-1

00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)


* config and/or log files etc.

no xorg.conf, kernel settings is default


Steps to reproduce: always reproducing

How to temporary fix:

/etc/modprobe.d/modprobe.conf:
options i915 modeset=0
This task depends upon

Closed by  Roman Kyrylych (Romashka)
Saturday, 23 January 2010, 16:37 GMT
Reason for closing:  Upstream
Additional comments about closing:  we cannot (and don't want to) fix everything with our own patches,
please report this to kernel developers,
this is the right way to solve the problem.
Comment by Nicolas Doualot (slubman) - Wednesday, 06 January 2010, 15:14 GMT
Isn't this an upstream bug ?

I've got the same problem, but with fedora.
Comment by denis odessa (denodessa) - Saturday, 09 January 2010, 10:43 GMT
kernel26 2.6.32.3-1 - the same problem
Comment by Gerardo Exequiel Pozzi (djgera) - Tuesday, 12 January 2010, 22:52 GMT
  • Field changed: Summary (brightness control (gnome-power-manager) broken with 2.6.32 when KMS enabled → [kernel26] brightness control (gnome-power-manager) broken with 2.6.32 when KMS enabled)
  • Field changed: Status (Unconfirmed → Waiting on Response)
  • Field changed: Category (Kernel → Upstream Bugs)
Please report this to uptreams. This is the best way to resolve this type of issues. Thanks.

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