Bug#736112: cpufreq-applet broken on Sandy Bridge systems

Marco d'Itri md at linux.it
Sun Jan 19 20:20:55 UTC 2014


Package: gnome-applets
Version: 3.4.1-4
Severity: normal

cpufreq-applet is unable to display the CPU speed on my system because 
the scaling_cur_freq file does not exist. See
http://www.phoronix.com/scan.php?page=news_item&px=MTI5Mzc for details.

cpufreq-info uses the cpuinfo_cur_freq file, but for reasons that are 
probably not relevant anymore it is only readable by root:
http://www.spinics.net/lists/cpufreq/msg02104.html .

This is the same issue reported in 
https://github.com/mate-desktop/mate-applets/issues/52 .

Verified with strace:

open("/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor", O_RDONLY) = 12
read(12, "powersave\n", 4095)           = 10
close(12)                               = 0
open("/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq", O_RDONLY) = 12
read(12, "800000\n", 4095)              = 7
close(12)                               = 0
open("/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq", O_RDONLY) = 12
read(12, "2900000\n", 4095)             = 8
close(12)                               = 0
open("/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/proc/sys/cpu/0/speed", O_RDONLY) = -1 ENOENT (No such file or directory)

-- System Information:
Debian Release: jessie/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (x86_64)

Kernel: Linux 3.12-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=it_IT.utf8, LC_CTYPE=it_IT.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages gnome-applets depends on:
ii  gconf-service                    3.2.6-1
ii  gconf2                           3.2.6-1
ii  gir1.2-gconf-2.0                 3.2.5-1+build1
ii  gir1.2-gdkpixbuf-2.0             2.26.1-1
ii  gir1.2-gtk-3.0                   3.8.6-1
ii  gir1.2-panelapplet-4.0           3.4.2.1-4
ii  gnome-applets-data               3.4.1-4
ii  gnome-icon-theme                 3.10.0-1
ii  gnome-panel                      3.8.0-1
ii  gvfs                             1.16.3-1+b2
ii  libatk1.0-0                      2.8.0-2
ii  libc6                            2.17-97
ii  libcairo2                        1.12.16-2
ii  libcpufreq0                      008-1
ii  libdbus-glib-1-2                 0.100.2-1
ii  libgconf-2-4                     3.2.6-1
ii  libgdk-pixbuf2.0-0               2.28.2-1+b1
ii  libglib2.0-0                     2.36.4-1
ii  libgstreamer-plugins-base0.10-0  0.10.36-1.1
ii  libgstreamer0.10-0               0.10.36-1.2
ii  libgtk-3-0                       3.8.6-1
ii  libgtop2-7                       2.28.5-2
ii  libgucharmap-2-90-7              1:3.8.2-3
ii  libnotify4                       0.7.6-1
ii  libpanel-applet-4-0              3.4.2.1-4
ii  libpango-1.0-0                   1.36.0-1+b1
ii  libpangocairo-1.0-0              1.36.0-1+b1
ii  libpolkit-gobject-1-0            0.105-4
ii  libupower-glib1                  0.9.23-2+b1
ii  libwnck-3-0                      3.4.2-1
ii  libx11-6                         2:1.6.2-1
ii  libxml2                          2.9.1+dfsg1-3
ii  python                           2.7.5-5
ii  python-gi                        3.10.2-2
ii  upower                           0.9.23-2+b1

Versions of packages gnome-applets recommends:
ii  gnome-media           3.4.0-1
ii  gnome-system-monitor  3.8.2.1-2
ii  gstreamer0.10-alsa    0.10.36-1.1
ii  policykit-1-gnome     0.105-2

Versions of packages gnome-applets suggests:
pn  tomboy  <none>

-- debconf information:
  gnome-applets/cpufreq_SUID_bit: false

-- 
ciao,
Marco
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