[Xfce-bugs] [Bug 15334] New: Random crashed with backtrace indicating magazine_chain_pop_head()

[bugzilla-daemon at xfce.org]

https://bugzilla.xfce.org/show_bug.cgi?id=15334

            Bug ID: 15334
           Summary: Random crashed with backtrace indicating
                    magazine_chain_pop_head()
    Classification: Xfce Core
           Product: Xfdesktop
           Version: 4.13.3
          Hardware: PC (x86_64)
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Medium
         Component: General
          Assignee: xfce-bugs at xfce.org
          Reporter: nonamedotc at gmail.com
  Target Milestone: Xfce 4.14

We see random crashes of different xfce components in Fedora 29 and above that
may be related.

backtrace of these crashes almost always starts with 

 #0 magazine_chain_pop_head at gslice.c:538

I am reporting this against xfdesktop but we have see this as a crash
notification from the automatic bug reporting tool (ABRT) against xfce4-panel,
xfce4-appfinder and xfdesktop.

Some users notice problems like desktop background disappearing but others see
no sign of crash until ABRT notification shows up.

Here are some bug downstream reports that have a lot more information - 

1. xfce4-appfinder: magazine_chain_pop_head()
https://bugzilla.redhat.com/show_bug.cgi?id=1671518

2. xfdesktop: magazine_chain_pop_head()
https://bugzilla.redhat.com/show_bug.cgi?id=1669915

3. https://bugzilla.redhat.com/show_bug.cgi?id=1662098
xfce4-panel: magazine_chain_pop_head()


Another Fedora packager suggested that it could be a gtk-core issue as
mentioned in this report - https://bugzilla.redhat.com/show_bug.cgi?id=1667495

Please take a look. If this is a core GTK-3 issue, there is nothing to do, of
course.

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