Comment 15 for bug 489041

Revision history for this message
Pablo (pjferra) wrote : Re: [Bug 489041] Re: Acer Aspire 5738 cannot change brightness at all

Another thing:

3esmit, could you explain to me what does the i8042.nomux option do?

2009/12/20 Pablo Javier Ferrari Ferrando <email address hidden>

> 3esmit,
> Thank you very much. It solved the brightness problem, and also the
> touchpad one. Two goals with one shot.
>
> Stefan,
> Thank you a lot. I really apreciate your very long effort.
>
> There are a couple of things I would like to comment, and a little problem
> I wish solve (related to this topic) and perhaps any of you could help me:
>
> 1) From the changes in the boot options, the ubuntu logo that is shown at
> the beginning and when shutting down, appears elongated in the with of the
> screen (just an observation)
> 2) A curious behaviour of this lovely machine is that sometimes it boots
> with the brightness quite attenuated. I've tried it several times before and
> after the last changes, and it happense randomly: sometimes it doesn't get
> the full bright.
>
> THE PROBLEM) The previous step I had taken was to install a 9.04 version on
> a small disk partition. Now the grub responds to that installation, and so
> to set the boot options I had to edit the /boot/grub/menu.lst file of 9.04
> installation, since update-grub changes the /boot/grub/grub.cfg file of 9.10
> installation. The question is: How could I restore the previous grub, so
> that it works normally from 9.10?
>
> Thanks again, and have a happy new year!!!
>
>
>
>
> 2009/12/19 3esmit <email address hidden>
>
> Just forgot an important information: Im on Karmic Koala x64
>> Launchpad needs a edit option.
>>
>> --
>> Acer Aspire 5738 cannot change brightness at all
>> https://bugs.launchpad.net/bugs/489041
>> You received this bug notification because you are a direct subscriber
>> of the bug.
>>
>> Status in “linux” package in Ubuntu: New
>>
>> Bug description:
>> Cannot change bringhtness at all.
>> The Fn keys seem to work properly because they make appear the brightness
>> indicator on the upper right corner of the screen, but nothing changes
>> actually.
>> The panel brightness applet has the same behaviour: it seems to work but
>> nothing changes.
>> When booting with "acpi_backlight=vendor" grub option no change is noticed
>> on the screen, but the brightness applet says "cannot get laptop panel
>> brightness" instead of the (supposed) brightness level, when the mouse
>> pointer stands over it.
>>
>> ProblemType: Bug
>> Architecture: amd64
>> AudioDevicesInUse:
>> USER PID ACCESS COMMAND
>> /dev/snd/controlC0: pablo 2018 F.... pulseaudio
>> CRDA: Error: [Errno 2] No existe el fichero ó directorio
>> Card0.Amixer.info:
>> Card hw:0 'Intel'/'HDA Intel at 0xf4700000 irq 21'
>> Mixer name : 'Intel G45 DEVCTG'
>> Components : 'HDA:10ec0888,10250205,00100202
>> HDA:11c11040,11c10001,00100200 HDA:80862802,80860101,00100000'
>> Controls : 32
>> Simple ctrls : 17
>> CheckboxSubmission: 18910bafd566e5c734482b08b2d8ab4f
>> CheckboxSystem: 2954e74ba17fb0e37fc942cd1d9fab4e
>> Date: Fri Nov 27 01:32:58 2009
>> DistroRelease: Ubuntu 9.10
>> HibernationDevice: RESUME=UUID=4b70a427-6b21-4555-b5d7-30a84e1b1713
>> InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
>> MachineType: Acer Aspire 5738
>> Package: linux-image-2.6.31-15-generic 2.6.31-15.50
>> ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-15-generic
>> root=UUID=4d713b24-5215-4100-bec9-749b6fb4330e ro quiet splash
>> ProcEnviron:
>> LANG=es_UY.UTF-8
>> SHELL=/bin/bash
>> ProcVersionSignature: Ubuntu 2.6.31-15.50-generic
>> RelatedPackageVersions:
>> linux-backports-modules-2.6.31-15-generic N/A
>> linux-firmware 1.25
>> SourcePackage: linux
>> Uname: Linux 2.6.31-15-generic x86_64
>> XsessionErrors:
>> (gnome-settings-daemon:2030): GLib-CRITICAL **: g_propagate_error:
>> assertion `src != NULL' failed
>> (gnome-settings-daemon:2030): GLib-CRITICAL **: g_propagate_error:
>> assertion `src != NULL' failed
>> (nautilus:2124): Eel-CRITICAL **: eel_preferences_get_boolean: assertion
>> `preferences_is_initialized ()' failed
>> (polkit-gnome-authentication-agent-1:2146): GLib-CRITICAL **:
>> g_once_init_leave: assertion `initialization_value != 0' failed
>> (gnome-panel:2123): Gdk-WARNING **:
>> /build/buildd/gtk+2.0-2.18.3/gdk/x11/gdkdrawable-x11.c:952 drawable is not a
>> pixmap or window
>> dmi.bios.date: 04/11/2009
>> dmi.bios.vendor: Phoenix Technologies LTD
>> dmi.bios.version: V1.05.
>> dmi.board.name: JV50
>> dmi.board.vendor: Acer
>> dmi.board.version: Rev
>> dmi.chassis.type: 10
>> dmi.chassis.vendor: Acer
>> dmi.chassis.version: N/A
>> dmi.modalias:
>> dmi:bvnPhoenixTechnologiesLTD:bvrV1.05.:bd04/11/2009:svnAcer:pnAspire5738:pvr0100:rvnAcer:rnJV50:rvrRev:cvnAcer:ct10:cvrN/A:
>> dmi.product.name: Aspire 5738
>> dmi.product.version: 0100
>> dmi.sys.vendor: Acer
>>
>> To unsubscribe from this bug, go to:
>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/489041/+subscribe
>>
>
>