I tried to add in /boot/grub/menu.lst saome boot options.
At line after "# defoptions=quiet splash" I added:
- "acpi=force" - didn't work;
- "acpi=force nolapic" - didn't work;
- "acpi="off" - I been able to change brightness, but no battery status and
other options;
- "noapic" - it's work on my
** Tags added: acpi brightness dell
** Attachment added: "lspci.txt"
http://launchpadlibrarian.net/28457079/lspci.txt
--
No change display brightness
https://bugs.launchpad.net/bugs/392812
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubun
Public bug reported:
OS: Ubuntu 9.04
Laptop: Dell Studio 1555
After several minutes after boot I am not able to change display brightness
and in kern.log added error:
Jun 27 08:28:05 ja-laptop kernel: [ 62.100119] ACPI: EC: input buffer is not
empty, aborting transaction
** Affects: ubuntu
