[pulseaudio-tickets] [Bug 83144] New: g_type_check_instance_is_a() SIGSEGV

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=83144

          Priority: medium
            Bug ID: 83144
                CC: lennart at poettering.net
          Assignee: pulseaudio-bugs at lists.freedesktop.org
           Summary: g_type_check_instance_is_a() SIGSEGV
        QA Contact: pulseaudio-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: i.gnatenko.brain at gmail.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: pavucontrol
           Product: PulseAudio

Description of problem:
On a fully upgraded F21, pavucontrol immediately crashes with a segfault.

I believe this is a duplicate of #1133272.

In the console, there are several GLib-GObject-WARNINGs about deprecated
functions prior to the segfault.

Version-Release number of selected component:
pavucontrol-2.0-7.fc21

Additional info:
reporter:       libreport-2.2.3
backtrace_rating: 4
cmdline:        /usr/bin/pavucontrol
crash_function: g_type_check_instance_is_a
executable:     /usr/bin/pavucontrol
kernel:         3.16.1-300.fc21.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 g_type_check_instance_is_a at gtype.c:3969
 #1 gtk_box_pack at gtkbox.c:1479
 #2 MainWindow::createEventRoleWidget at mainwindow.cc:832
 #3 context_state_callback at pavucontrol.cc:456
 #4 pa_context_set_state at pulse/context.c:291
 #5 setup_complete_callback at pulse/context.c:497
 #6 run_action at pulsecore/pdispatch.c:279
 #7 pa_pdispatch_run at pulsecore/pdispatch.c:331
 #8 pstream_packet_callback at pulse/context.c:335
 #9 do_read at pulsecore/pstream.c:830

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