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As shown below, package powertop depends on libstdc++6 (>= 4.4.0) and I have libstdc++6 version 5.2.1-23, which should satisfy that dependency. Note the option -t testing does not influence whether or not I get this error. My system is mixed in that there are a few packages from the testing distribution, but the stable packages have higher priority so are not installed by default. My libstdc++6 is from the testing distribution.

domas@nc4010-bl ~> sudo apt-get install -t testing powertop
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 powertop : Depends: libstdc++6 (>= 4.4.0) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
domas@nc4010-bl ~> dpkg -l libstdc++6
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name           Version      Architecture Description
+++-==============-============-============-=================================
ii  libstdc++6:i38 5.2.1-23     i386         GNU Standard C++ Library v3

Why is this dependency not satisfied?

4
  • Could this be a multilib issue? Are you on a 64 or 32bit system?
    – terdon
    Dec 4, 2015 at 14:14
  • Rerun with the debug flag, please. Paste the result of apt-get install -o Debug::pkgProblemResolver=true -t testing powertop in the question, not a comment . Dec 4, 2015 at 14:25
  • @FaheemMitha pastebin.com/AjzeJjFu Dec 6, 2015 at 15:51
  • @terdon 32bit system. Dec 6, 2015 at 15:52

1 Answer 1

1

I don't know which version of powertop you are using but it seems that is a known issue : https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=795297

3
  • The bug report seems to have been closed as fixed. I might open a bug report. Dec 6, 2015 at 15:49
  • Yes, it's a good idea but do you check if you are installing the last version ?
    – Tata2
    Dec 6, 2015 at 21:21
  • I would post a bug report with Debian. I believe that's the protocol, the package maintainer may then choose to report a bug with the upstream developers. Dec 7, 2015 at 16:53

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