Bug#696772: gnome-settings-daemon: Brightness won't reduce with shortcut, and increases.

Zack z.dowson at gmail.com
Wed Dec 26 23:03:49 UTC 2012

Package: gnome-settings-daemon
Version: 3.4.2+git20121218.7c1322-1
Severity: normal

Dear Maintainer,

I think this bug might relate to my laptop, Samsun RV520, as I have had similar
bugs on debian/gnome based systems in the past. When using the lower brightness
shortcut (fn-down), it only lowers the brightness slightly (I will attach two
screenshots, showing it at "maximum" and "minimum", and you will see it
recognises that it is only slightly less than maximum.
I can however lower it using "brightness and lock" in gnome-system-settings,
but this brightness increases with a logout and back in, and sometimes even
before that, over time.
My screen is painfully bright on maximum, so it is a fairly serious issue. I'm
not sure if this bug relates to Xorg, as Xorg %CPU increases when I use the

-- System Information:
Debian Release: 7.0
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 3.2.0-4-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_GB.utf8, LC_CTYPE=en_GB.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages gnome-settings-daemon depends on:
ii  dconf-gsettings-backend [gsettings-backend]  0.12.1-3
ii  dpkg                                         1.16.9
ii  gsettings-desktop-schemas                    3.4.2-3
ii  libatk1.0-0                                  2.4.0-2
ii  libc6                                        2.13-37
ii  libcairo-gobject2                            1.12.2-2
ii  libcairo2                                    1.12.2-2
ii  libcanberra-gtk3-0                           0.28-6
ii  libcanberra0                                 0.28-6
ii  libcolord1                                   0.1.21-4
ii  libcomerr2                                   1.42.5-1
ii  libcups2                                     1.5.3-2.10
ii  libdbus-glib-1-2                             0.100-1
ii  libfontconfig1                               2.9.0-7.1
ii  libgcrypt11                                  1.5.0-3
ii  libgdk-pixbuf2.0-0                           2.26.1-1
ii  libglib2.0-0                                 2.33.12+really2.32.4-3
ii  libgnome-desktop-3-2                         3.4.2-1
ii  libgnomekbd7                       
ii  libgnutls26                                  2.12.20-2
ii  libgssapi-krb5-2                             1.10.1+dfsg-3
ii  libgtk-3-0                                   3.4.2-4
ii  libgudev-1.0-0                               175-7.1
ii  libk5crypto3                                 1.10.1+dfsg-3
ii  libkrb5-3                                    1.10.1+dfsg-3
ii  liblcms2-2                                   2.2+git20110628-2.2
ii  libnotify4                                   0.7.5-1
ii  libnspr4                                     2:4.9.4-1
ii  libnspr4-0d                                  2:4.9.4-1
ii  libnss3                                      2:3.14.1-1
ii  libnss3-1d                                   2:3.14.1-1
ii  libpackagekit-glib2-14                       0.7.6-2
ii  libpango1.0-0                                1.30.0-1
ii  libpolkit-gobject-1-0                        0.105-3
ii  libpulse-mainloop-glib0                      2.0-6
ii  libpulse0                                    2.0-6
ii  libsqlite3-0                       
ii  libupower-glib1                              0.9.17-1
ii  libwacom2                                    0.6-1
ii  libx11-6                                     2:1.5.0-1
ii  libxfixes3                                   1:5.0-4
ii  libxi6                                       2:1.6.1-1
ii  libxklavier16                                5.2.1-1
ii  libxtst6                                     2:1.2.1-1
ii  nautilus-data                                3.4.2-1+build1
ii  zlib1g                                       1:1.2.7.dfsg-13

Versions of packages gnome-settings-daemon recommends:
ii  pulseaudio  2.0-6

Versions of packages gnome-settings-daemon suggests:
ii  gnome-screensaver                      3.4.1-1
ii  kde-window-manager [x-window-manager]  4:4.8.4-5
ii  metacity [x-window-manager]            1:2.34.3-4
ii  openbox [x-window-manager]             3.5.0-6
ii  x11-xserver-utils                      7.7~3

-- no debconf information
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