Sebastien and I exchanged email over this bug and he requested that I
check with Jaunty which I did. The applet appeared to work and I sent
him email about it.
I have reinstalled Jaunty on the same machine (Dell D630) and the applet
has stopped working again. This time I have changed this report to a
question rather than a bug and I would like to understand what is not
working. Any help in debugging would be most appreciated.
What I find now is as follows.
apt-cache policy gnome-applets
gnome-applets:
Installed: 2.26.1-0ubuntu1
Candidate: 2.26.1-0ubuntu1
Version table:
*** 2.26.1-0ubuntu1 0
500 http://us.archive.ubuntu.com jaunty-updates/main Packages
100 /var/lib/dpkg/status
2.26.0-0ubuntu4 0
500 http://us.archive.ubuntu.com jaunty/main Packages
ls -l /usr/bin/cpufreq-selector
-rwsr-sr-x 1 root root 30656 2009-04-23 08:28 /usr/bin/cpufreq-selector
more /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 Duo CPU T7250 @ 2.00GHz
stepping : 13
cpu MHz : 2001.000
cache size : 2048 KB
Using cpufreq-selector from the command line, I (logged in as a user who
is NOT root and who CANNOT ADMINISTER the system).
cpufreq-selector -f 800000
more /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 Duo CPU T7250 @ 2.00GHz
stepping : 13
cpu MHz : 800.000
In other words, I (logged in as amrith, not the root user, not an
administrator) am able to use cpufreq-selector to update the scaling.
And it works because cpufreq-selector has been setuid'ed correctly.
On the other hand, the CPU performance applet does not give me the
ability to change the frequency.
NOTE:
If I login as the root user, the CPU performance applet works correctly.
The difference appears to be that as a non-root user, the CPU Frequency
Scaling Monitor applet is not allowing me to adjust the scaling, just
view it. But, as a root user, the CPU Frequency Scaling Monitor applet
is working correctly.
What have I tried?
1. I tried to suid on /usr/lib/gnome-applets/cpufreq-applet
I can't launch the applet, it gives an error
2. I've tried to strace the applet
When logged in as the non-root user, I see nothing indicating an error.
How should I gather more information to help debug this?
--
CPU Frequency Scaling Monitor Applet does not allow me to change CPU Frequency
(Ubuntu 8.10)
https://bugs.launchpad.net/bugs/356208
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