The bug hasn't seen any activity in years and there has been no recent similar reports, the code also changed quite a lot since and it's likely the issue doesn't exist anymore. Closing, feel free to open a new report if you still get problems in recent Ubuntu versions
** Changed in: gnome-control-center (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1235141 Title: gnome-control-center assert failure: gnome-control-center: tpp.c:65: __pthread_tpp_change_priority: asserzione \"previous_prio == -1 || (previous_prio >= __sched_fifo_min_prio && previous_prio <= __sched_fifo_max_prio)\" non riuscita. Status in gnome-control-center package in Ubuntu: Invalid Bug description: Description: Ubuntu Saucy Salamander (development branch) Release: 13.10 gnome-control-center: Installato: 1:3.6.3-0ubuntu41 Candidato: 1:3.6.3-0ubuntu41 Tabella versione: *** 1:3.6.3-0ubuntu41 0 500 http://it.archive.ubuntu.com/ubuntu/ saucy/main i386 Packages 100 /var/lib/dpkg/status ProblemType: Crash DistroRelease: Ubuntu 13.10 Package: gnome-control-center 1:3.6.3-0ubuntu41 Uname: Linux 3.11.3-031103-generic i686 ApportVersion: 2.12.5-0ubuntu1 Architecture: i386 AssertionMessage: gnome-control-center: tpp.c:65: __pthread_tpp_change_priority: asserzione \"previous_prio == -1 || (previous_prio >= __sched_fifo_min_prio && previous_prio <= __sched_fifo_max_prio)\" non riuscita. Date: Fri Oct 4 10:28:23 2013 ExecutablePath: /usr/bin/gnome-control-center InstallationDate: Installed on 2011-10-02 (732 days ago) InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110921.2) MarkForUpload: True ProcCmdline: gnome-control-center sound Signal: 6 SourcePackage: gnome-control-center StacktraceTop: __assert_fail_base (fmt=0xb6290eee <Address 0xb6290eee out of bounds>, assertion=assertion@entry=0xb6cb7738 "previous_prio == -1 || (previous_prio >= __sched_fifo_min_prio && previous_prio <= __sched_fifo_max_prio)", file=file@entry=0xb6cb76b8 "tpp.c", line=line@entry=65, function=function@entry=0xb6cb76be <__PRETTY_FUNCTION__.8004> "__pthread_tpp_change_priority") at assert.c:92 __GI___assert_fail (assertion=assertion@entry=0xb6cb7738 "previous_prio == -1 || (previous_prio >= __sched_fifo_min_prio && previous_prio <= __sched_fifo_max_prio)", file=file@entry=0xb6cb76b8 "tpp.c", line=line@entry=65, function=function@entry=0xb6cb76be <__PRETTY_FUNCTION__.8004> "__pthread_tpp_change_priority") at assert.c:101 __pthread_tpp_change_priority (previous_prio=previous_prio@entry=318, new_prio=new_prio@entry=-1) at tpp.c:63 __pthread_mutex_unlock_full (mutex=0x9c1fd60, decr=<optimized out>) at pthread_mutex_unlock.c:281 __gmon_start__@plt () Title: gnome-control-center assert failure: gnome-control-center: tpp.c:65: __pthread_tpp_change_priority: asserzione \"previous_prio == -1 || (previous_prio >= __sched_fifo_min_prio && previous_prio <= __sched_fifo_max_prio)\" non riuscita. UpgradeStatus: Upgraded to saucy on 2013-10-03 (0 days ago) UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare usr_lib_gnome-control-center: activity-log-manager 0.9.7-0ubuntu4 deja-dup 27.3.1-0ubuntu1 gnome-control-center-datetime 13.10.0+13.10.20130930-0ubuntu1 gnome-control-center-signon 0.1.7~+13.10.20130724.1-0ubuntu1 gnome-control-center-unity 1.3daily13.06.14.1-0ubuntu1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1235141/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp