[Xfce-bugs] [Bug 16077] New: Since 4.14 xfce4-panel crashed sometimes

[bugzilla-daemon at xfce.org]

https://bugzilla.xfce.org/show_bug.cgi?id=16077

            Bug ID: 16077
           Summary: Since 4.14 xfce4-panel crashed sometimes
    Classification: Xfce Core
           Product: Xfce4-panel
           Version: 4.14.1
          Hardware: PC (x86_64)
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Medium
         Component: Libxfce4panel
          Assignee: xfce-bugs at xfce.org
          Reporter: daniel.mehrmann at gmx.de
  Target Milestone: Panel 4.14

Since i'm using xfce 4.14 my xfce-panel crashed sometimes. Mostly it happens
while i'm closing an application like (for example) Firefox or Thunderbird.
With xfce 4.12 i don't had such issues. The panel goes away abd a half second
later it comes back again and works perfectly again. 

My dmesg shows this lines:

 [27855.513815] xfce4-panel[1263]: segfault at 8 ip 00007f86a717146b sp
00007fff8cf6f8c0 error 4 in libtasklist.so[7f86a716f000+c000]
[27855.513823] Code: 49 c7 c0 ff ff ff ff 4c 0f 49 c0 44 89 c0 c3 55 53 48 83
ec 08 48 8b 6f 60 48 85 ed 74 27 48 89 fb ff 15 60 57 01 00 48 89 c6 <48> 8b 45
00 48 85 c0 74 05 48 39 30 74 47 48 89 ef ff 15 06 58 01

This happns in a daily use of system every 4 or 6 days. i can't  reproduce this
bug which makes it difficult :(

My system:

OS: Arch Linux
Kernel: x86_64 Linux 4.19.80-1-lts-dm
Uptime: 7h 51m
Packages: 1273
Shell: bash 5.0.11
Resolution: 1920x1080
DE: Xfce4
WM: Xfwm4
WM Theme: Matcha-sea
GTK Theme: Matcha-dark-azul [GTK2]
Icon Theme: Papirus-Dark
Font: Noto Sans 10
CPU: AMD Ryzen 7 2700 Eight-Core @ 16x 3.376GHz
GPU: GeForce GTX 1060 3GB
RAM: 3253MiB / 32181MiB

Current packages:
extra/thunar-archive-plugin 0.4.0-2 (xfce4-goodies) [Installiert]
extra/thunar-media-tags-plugin 0.3.0-1 (xfce4-goodies) [Installiert]
extra/xfce4-appfinder 4.14.0-1 (xfce4) [Installiert]
extra/xfce4-artwork 0.1.1a_git20110420-5 (xfce4-goodies) [Installiert]
extra/xfce4-battery-plugin 1.1.3-1 (xfce4-goodies) [Installiert]
extra/xfce4-clipman-plugin 1.4.3-2 (xfce4-goodies) [Installiert]
extra/xfce4-cpufreq-plugin 1.2.1-1 (xfce4-goodies) [Installiert]
extra/xfce4-cpugraph-plugin 1.1.0-1 (xfce4-goodies) [Installiert]
extra/xfce4-datetime-plugin 0.8.0-1 (xfce4-goodies) [Installiert]
extra/xfce4-dict 0.8.3-1 (xfce4-goodies) [Installiert]
extra/xfce4-diskperf-plugin 2.6.2-1 (xfce4-goodies) [Installiert]
extra/xfce4-eyes-plugin 4.5.0-1 (xfce4-goodies) [Installiert]
extra/xfce4-fsguard-plugin 1.1.1-1 (xfce4-goodies) [Installiert]
extra/xfce4-genmon-plugin 4.0.2-1 (xfce4-goodies) [Installiert]
extra/xfce4-mailwatch-plugin 1.2.0-8 (xfce4-goodies) [Installiert]
extra/xfce4-mount-plugin 1.1.3-1 (xfce4-goodies) [Installiert]
extra/xfce4-mpc-plugin 0.5.2-1 (xfce4-goodies) [Installiert]
extra/xfce4-netload-plugin 1.3.2-1 (xfce4-goodies) [Installiert]
extra/xfce4-notes-plugin 1.8.1-4 (xfce4-goodies) [Installiert]
extra/xfce4-notifyd 0.4.4-2 (xfce4-goodies) [Installiert]
extra/xfce4-panel 4.14.1-1 (xfce4) [Installiert]
extra/xfce4-power-manager 1.6.5-2 (xfce4) [Installiert]
extra/xfce4-pulseaudio-plugin 0.4.2-2 (xfce4-goodies) [Installiert]
extra/xfce4-screensaver 0.1.8-2 (xfce4-goodies) [Installiert]
extra/xfce4-screenshooter 1.9.6-1 (xfce4-goodies) [Installiert]
extra/xfce4-sensors-plugin 1.3.92-1 (xfce4-goodies) [Installiert]
extra/xfce4-session 4.14.0-2 (xfce4) [Installiert]
extra/xfce4-settings 4.14.1-1 (xfce4) [Installiert]
extra/xfce4-smartbookmark-plugin 0.5.1-1 (xfce4-goodies) [Installiert]
extra/xfce4-systemload-plugin 1.2.3-1 (xfce4-goodies) [Installiert]
extra/xfce4-taskmanager 1.2.2-1 (xfce4-goodies) [Installiert]
extra/xfce4-terminal 0.8.8-2 (xfce4) [Installiert]
extra/xfce4-time-out-plugin 1.0.3-1 (xfce4-goodies) [Installiert]
extra/xfce4-timer-plugin 1.7.0-1 (xfce4-goodies) [Installiert]
extra/xfce4-verve-plugin 2.0.0-1 (xfce4-goodies) [Installiert]
extra/xfce4-wavelan-plugin 0.6.1-1 (xfce4-goodies) [Installiert]
extra/xfce4-weather-plugin 0.10.0-1 (xfce4-goodies) [Installiert]
extra/xfce4-xkb-plugin 0.8.1-2 (xfce4-goodies) [Installiert]
community/xfce4-whiskermenu-plugin 2.3.3-1 (xfce4-goodies) [Installiert]

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