Sorry for my mistake! The bug is still issue me... But this workaround
works for me:
GRUB_CMDLINE_LINUX_DEFAULT=“quiet splash acpi_osi='Linux'"

I apologize for the inconvenience.

Regards,
Ferenc

--
Marcsó Feri


2014/1/22 Christopher M. Penalver <email address hidden>

> Marcso Ferenc, please do not apport-collect to another person's report. If
> you have a bug in Ubuntu, so your hardware and problem may be tracked,
> could you please file a new report with Ubuntu by executing the following
> in a terminal while booted into a Ubuntu repository kernel (not a mainline
> one) via:
> ubuntu-bug linux
>
> For more on this, please read the official Ubuntu documentation:
> Ubuntu Bug Control and Ubuntu Bug Squad:
> https://wiki.ubuntu.com/Bugs/BestPractices#X.2BAC8-Reporting.Focus_on_One_Issue
> Ubuntu Kernel Team:
> https://wiki.ubuntu.com/KernelTeam/KernelTeamBugPolicies#Filing_Kernel_Bug_reports
> Ubuntu Community:
> https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette
>
> When opening up the new report, please feel free to subscribe me to it.
>
> Thank you for your understanding.
>
> Helpful bug reporting tips:
> https://wiki.ubuntu.com/ReportingBugs
>
> ** Attachment removed: "AlsaInfo.txt"
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/392948/+attachment/3954277/+files/AlsaInfo.txt
>
> ** Attachment removed: "CRDA.txt"
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/392948/+attachment/3954279/+files/CRDA.txt
>
> ** Attachment removed: "BootDmesg.txt"
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/392948/+attachment/3954278/+files/BootDmesg.txt
>
> ** Attachment removed: "CurrentDmesg.txt"
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/392948/+attachment/3954280/+files/CurrentDmesg.txt
>
> ** Attachment removed: "IwConfig.txt"
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/392948/+attachment/3954281/+files/IwConfig.txt
>
> ** Attachment removed: "Lspci.txt"
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/392948/+attachment/3954282/+files/Lspci.txt
>
> ** Attachment removed: "Lsusb.txt"
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/392948/+attachment/3954283/+files/Lsusb.txt
>
> ** Attachment removed: "ProcCpuinfo.txt"
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/392948/+attachment/3954284/+files/ProcCpuinfo.txt
>
> ** Attachment removed: "ProcEnviron.txt"
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/392948/+attachment/3954285/+files/ProcEnviron.txt
>
> ** Attachment removed: "ProcInterrupts.txt"
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/392948/+attachment/3954286/+files/ProcInterrupts.txt
>
> ** Attachment removed: "ProcModules.txt"
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/392948/+attachment/3954287/+files/ProcModules.txt
>
> ** Attachment removed: "PulseList.txt"
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/392948/+attachment/3954288/+files/PulseList.txt
>
> ** Attachment removed: "RfKill.txt"
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/392948/+attachment/3954289/+files/RfKill.txt
>
> ** Attachment removed: "UdevDb.txt"
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/392948/+attachment/3954290/+files/UdevDb.txt
>
> ** Attachment removed: "UdevLog.txt"
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/392948/+attachment/3954291/+files/UdevLog.txt
>
> ** Attachment removed: "WifiSyslog.txt"
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/392948/+attachment/3954292/+files/WifiSyslog.txt
>
> ** Tags removed: 4736z acer apport-collected aspire brightness lucid
> maverick oneiric precise trusty
> ** Tags added: jaunty needs-kernel-logs needs-upstream-testing
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/392948
>
> Title:
>   LCD Brightness won't Change - intel 4 series
>
> Status in “linux” package in Ubuntu:
>   Incomplete
>
> Bug description:
>   Binary package hint: acpid
>
>   ACPID: acpid-1.0.6
>   Distributor ID:       Ubuntu
>   Description:  Ubuntu 9.04
>   Release:      9.04
>   Codename:     jaunty
>   kernel: 2.6.28-13-generic
>   ---------------------------------------------------
>
>   Problem:
>   * FN+LEFT_ARROW key is suppose to reduce LCD brightness is not working.
>   * FN+RIGHT_ARROW key is suppose to increase LCD brightness is not
> working.
>   * Notification is working according to key press(for brightness) but the
> LCD brightness wont change.
>   * try to look for acpid log but seems like acpid do not have log in
> /var/log <-- Which is weird
>
>   ---------------------------------------------------
>
>   Hardware information:
>
>   00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory
> Controller Hub (rev 09)
>   00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series
> Chipset Integrated Graphics Controller (rev 09)
>   00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset
> Integrated Graphics Controller (rev 09)
>
>   Please let me know if you need more information to solve/get clear
>   look on the problem.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/392948/+subscriptions
>