Bug#766749: mate-power-manager: brightness is not shown while changing brightness using hardware keys

[Mike Gabriel]

Control: severity -1 important

Hi Ayke,

On  Sa 25 Okt 2014 15:32:31 CEST, Ayke van Laethem wrote:

> Package: mate-power-manager
> Version: 1.8.1+dfsg1-1
> Severity: normal
>
> Dear Maintainer,
>
> When pressing Fn+Home or Fn+End, the hardware keys to change the display
> brightness on a Lenovo Thinkpad T60, a small grey (depending on theme) square
> is shown in the center of the bottom half of the screen, but the actual
> brightness is not shown. I would expect the new (changed) brightness to be
> shown in the square, and I remember seeing it before (probably in Linux Mint
> Debian Edition, MATE 1.6). I have attached an image of the square on  
> a browser
> background.
>
> Note: I submitted this bug on a different system, but the version
> information etc. should be of the affected system (I copied the full
> body of the generated bug message).
>

Confirmed!

I also see this on some other laptop when controlling the brightness  
of the LCD backlight.

When running mate-power-manager from the cmdline, I see this message  
once when I press one of the Fn + <brighter>/<darker> keys.

"""
(mate-power-manager:3103): GLib-CRITICAL **: Source ID 11 was not  
found when attempting to remove it
"""

@Stefano: any input on this from your upstream side? I remember that  
this issue was not present when my notebook was still running wheezy  
(with mate-power-manager from wheezy-backports).

Greets,
Mike



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