Bug 539961

How is this bug report any different than 522305 ?

I filed this one against Fedora 12, rather than 11.  I apologize if this was inappropriate.

Please try this workaround: reboot your machine with the 'nomodeset' kernel
parameter. This might be a duplicate of bug 519105 ?

In order to get any kind of graphical environment in Fedora on these machines, the nomodeset parameter has to be set, so I'm always booting with this parameter.  To be certain, I did verify that it is set in grub.conf.

I'm going to go ahead and qualify that.  In order to get the graphical installer to work, modesetting had to be disabled, and I had to use the vesa driver.  I'm not certain its necessary once Fedora has been installed

*** Bug 522305 has been marked as a duplicate of this bug. ***

Added f11 bug URL in see also.

---

Fedora Bugzappers volunteer triage team
https://fedoraproject.org/wiki/BugZappers

I'm also facing this issue. My MacBook is:

# lshal | egrep "(system.hardware.product|vendor|version)|system.firmware.version|power_management.quirk)"
  power_management.quirk.vbestate_restore = true  (bool)
  system.firmware.version = '    MB31.88Z.008E.B02.0803051832'  (string)
  system.hardware.product = 'MacBook3,1'  (string)
  system.hardware.vendor = 'Apple Inc.'  (string)
  system.hardware.version = '1.0'  (string)

I also have this isssu, but on Acer Aspire 5740 notebook.
Keys produce correct codes, but ACPI does not work. nomodeset kernel option also did not make me happy.

Direct settings like:
echo 2> /sys/class/backlight/acpi_video0/brightness
don't reproducee any errors, but also do nothing.

Also tried pci interface and xbacklight:
# xbacklight -set 90
# setpci -s 00:02.0 F4.B=40

Forgot say versions:
# rpm -q hal kernel
hal-0.5.14-2.fc13.i686
kernel-2.6.33-1.fc13.i686

It is Fedora 13 Alpha

This problem was fixed with a fresh install of Fedora 13 final release.  Subsequent updates haven't caused any problems.

hal-0.5.14-3.fc13.x86_64
kernel-2.6.33.3-85.fc13.x86_64
kernel-2.6.33.4-95.fc13.x86_64

It still does not work for me with 
kernel-2.6.33.4-95.fc13.i686 and hal-0.5.14-3.fc13.i686

On MacBook 3,1 (see comment #8), the issue solved on Fedora 13.

hal-0.5.14-3.fc13.x86_64
kernel-2.6.33.4-95.fc13.x86_64

This bug is not fixed for me either.

Kernel version: 2.6.33.5-124.fc13.x86_64
HAL: 0.5.14-3.fc13

Fedora 13.  If you have any need for me to help with debugging please contact me via email, as I'd love to help resolve this.

Forgot to mention, I am using a 13.3" Macbook Pro Unibody (5,5).

It's problem for me too on Fedora 13 and Acer Aspire 5930

Same here on MacBookPro6,2

kernel-PAE-2.6.33.8-149.fc13.i686
hal-0.5.14-3.fc13.i686


$ lshal | egrep "(system.hardware.(product|vendor|version)|system.firmware.version|power_management.quirk)"
  power_management.quirk.dpms_on = true  (bool)
  power_management.quirk.dpms_suspend = true  (bool)
  power_management.quirk.vbe_post = true  (bool)
  power_management.quirk.vbemode_restore = true  (bool)
  power_management.quirk.vbestate_restore = true  (bool)
  power_management.quirk.vga_mode_3 = true  (bool)
  system.firmware.version = '   MBP61.88Z.0057.B0A.1005121001'  (string)
  system.hardware.product = 'MacBookPro6,2'  (string)
  system.hardware.vendor = 'Apple Inc.'  (string)
  system.hardware.version = '1.0'  (string)

Still not working in F14 (both screen brightness and keyboard lights)

Same here, not working for me on Macbook Pro 7,1 running Fedora 14.  Ubuntu DOES have screen brightness adjustment working by following the instructions under "Screen" in the guide found here https://help.ubuntu.com/community/MacBookPro7-1/Maverick#Screen
Maybe that helps?

I came across an interesting issue with brightness.

Brightness as usual works with nouveau driver, but problem in nvidia driver. 

After installing it I tried this….when nvidia puts up rdblacklist=nouveau in the grub.conf file – Remove all those additions. Just put nouveau.modset=1 instead of 0. The 0 is put by nvidia installer which is a problem.

This time your old brightness files path seem to work.

/sys/devices/virtual/backlight/mbp_backlight/brightness

Again there is a catch coz it doesn’t work in your GUI console. Surprisingly if you go to your non gui console. Ctrl Alt Fn (for mac) F1 – then login as root. This time if you change the file

echo 2 > /sys/devices/virtual/backlight/mbp_backlight/brightness

it works perfectly…...

Maybe this is causing the improper working of Function keys in GUI. 

also i have selinux disabled so there can be issue related to rights to the file. 

Any explanations why the same file when changed in GUI Console doesn't do anything but in text console changes the brightness. I am stumped! ??



Animesh


(www.quantanalysis.in)

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