gnome-control-center segfaults on startup on 14.04 (due to a ppa 3.10 library version)

Bug #1309419 reported by Marius Gedminas on 2014-04-18
This bug report is a duplicate of:  Bug #1392954: Handle soname bumps in package names. Edit Remove
18
This bug affects 3 people
Affects Status Importance Assigned to Milestone
Ubuntu GNOME
High
Unassigned

Bug Description

Freshly upgraded to 14.04. Can't launch System Preferences: /usr/bin/gnome-control-center.real segfaults on startup.

Here's a backtrace with debug symbols:

    mg@platonas: ~ $ gdb /usr/bin/gnome-control-center.real
    GNU gdb (Ubuntu 7.7-0ubuntu3) 7.7
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    Reading symbols from /usr/bin/gnome-control-center.real...Reading symbols from /usr/lib/debug/.build-id/cd/f1f1cd11687a7829f674776af077f8700f7fd7.debug...done.
    done.
    (gdb) run
    Starting program: /usr/bin/gnome-control-center.real
    [Thread debugging using libthread_db enabled]
    Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
    [New Thread 0x7fffeecf6700 (LWP 14214)]
    [New Thread 0x7fffee4f5700 (LWP 14215)]

    (gnome-control-center.real:14208): GLib-GObject-WARNING **: cannot derive 'GnomeControlCenter' from non-fundamental parent type 'CcShell'

    (gnome-control-center.real:14208): GLib-CRITICAL **: g_once_init_leave: assertion 'result != 0' failed

    (gnome-control-center.real:14208): GLib-GObject-CRITICAL **: g_object_new: assertion 'G_TYPE_IS_OBJECT (object_type)' failed

    Program received signal SIGSEGV, Segmentation fault.
    0x0000000000409ee1 in gnome_control_center_show (center=0x0, app=0x7cc0f0) at gnome-control-center.c:1470
    1470 gnome-control-center.c: Toks failas ar aplankas neegzistuoja.
    (gdb) bt
    #0 0x0000000000409ee1 in gnome_control_center_show (center=0x0, app=0x7cc0f0) at gnome-control-center.c:1470
    #1 0x0000000000407306 in application_command_line_cb (application=0x7cc0f0, command_line=<optimized out>, shell=0x0) at control-center.c:121
    #2 0x00007ffff1dc2adc in ffi_call_unix64 () at ../src/x86/unix64.S:76
    #3 0x00007ffff1dc240c in ffi_call (cif=cif@entry=0x7fffffffd750, fn=0x407160 <application_command_line_cb>, rvalue=0x7fffffffd6c0,
        avalue=avalue@entry=0x7fffffffd660) at ../src/x86/ffi64.c:522
    #4 0x00007ffff60a1bf8 in g_cclosure_marshal_generic (closure=0x7f6f00, return_gvalue=0x7fffffffd8a0, n_param_values=<optimized out>,
        param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=0x0) at /build/buildd/glib2.0-2.40.0/./gobject/gclosure.c:1445
    #5 0x00007ffff60a13b8 in g_closure_invoke (closure=0x7f6f00, return_value=0x7fffffffd8a0, n_param_values=2, param_values=0x7fffffffd950,
        invocation_hint=0x7fffffffd8f0) at /build/buildd/glib2.0-2.40.0/./gobject/gclosure.c:768
    #6 0x00007ffff60b2d3d in signal_emit_unlocked_R (node=node@entry=0x758a00, detail=detail@entry=0, instance=instance@entry=0x7cc0f0,
        emission_return=emission_return@entry=0x7fffffffda20, instance_and_params=instance_and_params@entry=0x7fffffffd950)
        at /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c:3551
    #7 0x00007ffff60ba6f9 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>,
        var_args=var_args@entry=0x7fffffffdae8) at /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c:3317
    #8 0x00007ffff60bace2 in g_signal_emit (instance=instance@entry=0x7cc0f0, signal_id=<optimized out>, detail=detail@entry=0)
        at /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c:3363
    #9 0x00007ffff67f07f3 in g_application_call_command_line (application=0x7cc0f0, arguments=<optimized out>, options=<optimized out>,
        exit_status=0x7fffffffdcdc) at /build/buildd/glib2.0-2.40.0/./gio/gapplication.c:870
    #10 0x00007ffff67f2436 in g_application_real_local_command_line (application=0x7cc0f0, arguments=0x7fffffffdce0, exit_status=0x7fffffffdcdc)
        at /build/buildd/glib2.0-2.40.0/./gio/gapplication.c:924
    #11 0x00007ffff67f25ab in g_application_run (application=0x7cc0f0, argc=argc@entry=1, argv=argv@entry=0x7fffffffde38)
        at /build/buildd/glib2.0-2.40.0/./gio/gapplication.c:2084
    #12 0x0000000000407012 in main (argc=1, argv=0x7fffffffde38) at control-center.c:263
    (gdb) thread apply all bt

    Thread 3 (Thread 0x7fffee4f5700 (LWP 14215)):
    #0 0x00007ffff5892fbd in poll () at ../sysdeps/unix/syscall-template.S:81
    #1 0x00007ffff5dd1fe4 in g_main_context_poll (priority=2147483647, n_fds=2, fds=0x7fffe00010c0, timeout=-1, context=0x7fffe8011ac0)
        at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:4028
    #2 g_main_context_iterate (context=0x7fffe8011ac0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
        at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:3729
    #3 0x00007ffff5dd230a in g_main_loop_run (loop=0x7fffe8011a50) at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:3928
    #4 0x00007ffff6826e16 in gdbus_shared_thread_func (user_data=0x7fffe8011a90) at /build/buildd/glib2.0-2.40.0/./gio/gdbusprivate.c:273
    #5 0x00007ffff5df6f15 in g_thread_proxy (data=0x692d90) at /build/buildd/glib2.0-2.40.0/./glib/gthread.c:764
    #6 0x00007ffff5b73182 in start_thread (arg=0x7fffee4f5700) at pthread_create.c:312
    #7 0x00007ffff58a030d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

    Thread 2 (Thread 0x7fffeecf6700 (LWP 14214)):
    #0 0x00007ffff5892fbd in poll () at ../sysdeps/unix/syscall-template.S:81
    #1 0x00007ffff5dd1fe4 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7fffe80010e0, timeout=-1, context=0x68a960)
        at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:4028
    #2 g_main_context_iterate (context=context@entry=0x68a960, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
        at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:3729
    #3 0x00007ffff5dd20ec in g_main_context_iteration (context=0x68a960, may_block=1) at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:3795
    #4 0x00007fffeecfe1ad in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
    #5 0x00007ffff5df6f15 in g_thread_proxy (data=0x643850) at /build/buildd/glib2.0-2.40.0/./glib/gthread.c:764
    #6 0x00007ffff5b73182 in start_thread (arg=0x7fffeecf6700) at pthread_create.c:312
    #7 0x00007ffff58a030d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

    Thread 1 (Thread 0x7ffff7fb19c0 (LWP 14208)):
    #0 0x0000000000409ee1 in gnome_control_center_show (center=0x0, app=0x7cc0f0) at gnome-control-center.c:1470
    #1 0x0000000000407306 in application_command_line_cb (application=0x7cc0f0, command_line=<optimized out>, shell=0x0) at control-center.c:121
    #2 0x00007ffff1dc2adc in ffi_call_unix64 () at ../src/x86/unix64.S:76
    #3 0x00007ffff1dc240c in ffi_call (cif=cif@entry=0x7fffffffd750, fn=0x407160 <application_command_line_cb>, rvalue=0x7fffffffd6c0,
        avalue=avalue@entry=0x7fffffffd660) at ../src/x86/ffi64.c:522
    #4 0x00007ffff60a1bf8 in g_cclosure_marshal_generic (closure=0x7f6f00, return_gvalue=0x7fffffffd8a0, n_param_values=<optimized out>,
        param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=0x0) at /build/buildd/glib2.0-2.40.0/./gobject/gclosure.c:1445
    #5 0x00007ffff60a13b8 in g_closure_invoke (closure=0x7f6f00, return_value=0x7fffffffd8a0, n_param_values=2, param_values=0x7fffffffd950,
    ---Type <return> to continue, or q <return> to quit---
        invocation_hint=0x7fffffffd8f0) at /build/buildd/glib2.0-2.40.0/./gobject/gclosure.c:768
    #6 0x00007ffff60b2d3d in signal_emit_unlocked_R (node=node@entry=0x758a00, detail=detail@entry=0, instance=instance@entry=0x7cc0f0,
        emission_return=emission_return@entry=0x7fffffffda20, instance_and_params=instance_and_params@entry=0x7fffffffd950)
        at /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c:3551
    #7 0x00007ffff60ba6f9 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>,
        var_args=var_args@entry=0x7fffffffdae8) at /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c:3317
    #8 0x00007ffff60bace2 in g_signal_emit (instance=instance@entry=0x7cc0f0, signal_id=<optimized out>, detail=detail@entry=0)
        at /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c:3363
    #9 0x00007ffff67f07f3 in g_application_call_command_line (application=0x7cc0f0, arguments=<optimized out>, options=<optimized out>,
        exit_status=0x7fffffffdcdc) at /build/buildd/glib2.0-2.40.0/./gio/gapplication.c:870
    #10 0x00007ffff67f2436 in g_application_real_local_command_line (application=0x7cc0f0, arguments=0x7fffffffdce0, exit_status=0x7fffffffdcdc)
        at /build/buildd/glib2.0-2.40.0/./gio/gapplication.c:924
    #11 0x00007ffff67f25ab in g_application_run (application=0x7cc0f0, argc=argc@entry=1, argv=argv@entry=0x7fffffffde38)
        at /build/buildd/glib2.0-2.40.0/./gio/gapplication.c:2084
    #12 0x0000000000407012 in main (argc=1, argv=0x7fffffffde38) at control-center.c:263
    (gdb)

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: gnome-control-center 1:3.6.3-0ubuntu56
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
CurrentDesktop: GNOME
Date: Fri Apr 18 12:00:46 2014
EcryptfsInUse: Yes
InstallationDate: Installed on 2012-07-25 (631 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
SourcePackage: gnome-control-center
UpgradeStatus: Upgraded to trusty on 2014-04-18 (0 days ago)
usr_lib_gnome-control-center:
 activity-log-manager 0.9.7-0ubuntu14
 deja-dup 30.0-0ubuntu4

Marius Gedminas (mgedmin) wrote :
Marius Gedminas (mgedmin) wrote :

Trying to step through this with gdb.

In main(), control-center.c:254 the following statement

    shell = gnome_control_center_new ();

assigns NULL to shell, after emitting a few warnings:

    (gnome-control-center.real:653): GLib-GObject-WARNING **: cannot derive 'GnomeControlCenter' from non-fundamental parent type 'CcShell'

    (gnome-control-center.real:653): GLib-CRITICAL **: g_once_init_leave: assertion 'result != 0' failed

    (gnome-control-center.real:653): GLib-GObject-CRITICAL **: g_object_new: assertion 'G_TYPE_IS_OBJECT (object_type)' failed

which then causes a segfault later, when it's dereferenced.

Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in gnome-control-center (Ubuntu):
status: New → Confirmed
Marius Gedminas (mgedmin) wrote :

I can reproduce this by creating a new user account (sudo adduser guest) and logging in.

I cannot reproduce this by booting Ubuntu GNOME 14.04 LiveCD.

Marius Gedminas (mgedmin) wrote :

Ok, turns out I hadn't actually purged all the PPA packages correctly, and so I somehow ended up with gnome-control-center 1:3.6.3-0ubuntu56 but libgnome-control-center1 1:3.10.1-0ubuntu1~saucy3 .

After I downgraded the former gnome3-team/gnome3 PPA packages to their versions in trusty, this problem no longer recurs.

The command I used was

    sudo apt-get install $(apt-show-versions|grep 'newer than version in archive'|cut -d ':' -f 1|sed -e 's/$/\/trusty/')

Oleksii Chyrkov (fess89) wrote :

Thanks Marius Gediminas, this has worked for me! (Just updated from 13.10 to 14.04, had other Gnome issues as well).

Steve Holmes (bouncysteve) wrote :

Marius, works for me too, thanks!

ejahn (eric-ejahn) wrote :

Marius, thank you for taking the time to resolve this for the rest of us. Using Synaptic, I just downgraded libgnome-control-center1 1:3.10.1-0ubuntu1~saucy3 to 1:3.6.3-0ubuntu56 (with Package->Force Version), and it runs now.

Sebastien Bacher (seb128) wrote :

The issue is not an Ubuntu one but due to versions mismatch between the library and the binary due to ppa installs

affects: gnome-control-center (Ubuntu) → ubuntu-gnome
Changed in ubuntu-gnome:
importance: Undecided → High
summary: - gnome-control-center segfaults on startup on 14.04
+ gnome-control-center segfaults on startup on 14.04 (due to a ppa 3.10
+ library version)
ali_hamdi (hamdi-ali-1982) wrote :

Downgrading the library 1:3.10.1-0ubuntu1~saucy3 to 1:3.6.3-0ubuntu45 fixed the issue for me too.

GroovyMotion (flywaver) wrote :

Running 14.04 LTS with gnome 3.10.4
got this error message: gnome-control-center.real crashed with SIGSEGV
 and in sys log: Could not upload; processing later (/var/crash/_usr_bin_gnome-control-center.real.1000.crash).

Both gnome-control-center and libgnome-control-center are version 1:3.8.6-0ubuntu1~trusty1

Jarno Suni (jarnos) wrote :

This bug has been marked against package ppa-purge. Did you guys try to purge the PPAs by ppa-purge before upgrading to Trusty? I don't see why you had greater version of libgnome-control-center1, if you did.

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