Public bug reported:

I can experience very high CPU usage by dbus-daemon and delayed opening of 
programs like leafpad and vlc. CPU usage of dbus-daemon is 100% of a CPU core 
for 3 to 5 minutes if I do one of the below operations:
a) launching leafpad from thunar to open a text file (double-clicking on the 
file)
b) running the command "leafpad /path-to-file/file.txt"
c) launching vlc from thunar to open a video file
d) pressing Alt+F2 so as to open the Application Launcher
e) pressing Ctrl+Alt+T to open xfce4-terminal
f) opening xfce-taskmanager by clicking on the tray widget in xfce4-panel.
When I experience the above problem, a reboot can solve the problem, but 
sometimes the problem disappears after some time without rebooting.

I am considering upgrading from Ubuntu 16.04 to 18.04 just to eliminate this 
bug.
My system is up-to-date.

High CPU usage of dbus-daemon for minutes after passing a path to a
program to open.

ata@HPp:~$ lsb_release -rd
Description:    Ubuntu 16.04.6 LTS
Release:        16.04
ata@HPp:~$ apt-cache policy dbus
dbus:
  Telepítve: 1.10.6-1ubuntu3.4
  Jelölt:    1.10.6-1ubuntu3.4
  Verziótáblázat:
 *** 1.10.6-1ubuntu3.4 500
        500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
        500 http://archive.ubuntu.com/ubuntu xenial-security/main amd64 Packages
        100 /var/lib/dpkg/status
     1.10.6-1ubuntu3 500
        500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
ata@HPp:~$ apt-cache policy dbus vlc leafpad thunar
dbus:
  Telepítve: 1.10.6-1ubuntu3.4
  Jelölt:    1.10.6-1ubuntu3.4
  Verziótáblázat:
 *** 1.10.6-1ubuntu3.4 500
        500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
        500 http://archive.ubuntu.com/ubuntu xenial-security/main amd64 Packages
        100 /var/lib/dpkg/status
     1.10.6-1ubuntu3 500
        500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
vlc:
  Telepítve: 2.2.2-5ubuntu0.16.04.4
  Jelölt:    2.2.2-5ubuntu0.16.04.4
  Verziótáblázat:
 *** 2.2.2-5ubuntu0.16.04.4 500
        500 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 
Packages
        500 http://archive.ubuntu.com/ubuntu xenial-security/universe amd64 
Packages
        100 /var/lib/dpkg/status
     2.2.2-5 500
        500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
leafpad:
  Telepítve: 0.8.18.1-4
  Jelölt:    0.8.18.1-4
  Verziótáblázat:
 *** 0.8.18.1-4 500
        500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
        100 /var/lib/dpkg/status
thunar:
  Telepítve: 1.6.11-0ubuntu0.16.04.2
  Jelölt:    1.6.11-0ubuntu0.16.04.2
  Verziótáblázat:
 *** 1.6.11-0ubuntu0.16.04.2 500
        500 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 
Packages
        100 /var/lib/dpkg/status
     1.6.10-2ubuntu1+patch1 500
        500 http://ppa.launchpad.net/yuri-sucupira/thunar1.6.10-fix/ubuntu 
xenial/main amd64 Packages
     1.6.10-2ubuntu1 500
        500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages

** Affects: bcmwl (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

  I can experience very high CPU usage by dbus-daemon and delayed opening of 
programs like leafpad and vlc. CPU usage of dbus-daemon is 100% of a CPU core 
for 3 to 5 minutes if I do one of the below operations:
  a) launching leafpad from thunar to open a text file (double-clicking on the 
file)
  b) running the command "leafpad /path-to-file/file.txt"
  c) launching vlc from thunar to open a video file
  d) pressing Alt+F2 so as to open the Application Launcher
  e) pressing Ctrl+Alt+T to open xfce4-terminal
- e) opening xfce-taskmanager by clicking on the tray widget in xfce4-panel.
+ f) opening xfce-taskmanager by clicking on the tray widget in xfce4-panel.
  When I experience the above problem, a reboot can solve the problem, but 
sometimes the problem disappears after some time without rebooting.
  
  I am considering upgrading from Ubuntu 16.04 to 18.04 just to eliminate this 
bug.
- My system is up-to-date. 
+ My system is up-to-date.
  
  High CPU usage of dbus-daemon for minutes after passing a path to a
  program to open.
- 
- 
  
  ata@HPp:~$ lsb_release -rd
  Description:  Ubuntu 16.04.6 LTS
  Release:      16.04
  ata@HPp:~$ apt-cache policy dbus
  dbus:
-   Telepítve: 1.10.6-1ubuntu3.4
-   Jelölt:    1.10.6-1ubuntu3.4
-   Verziótáblázat:
-  *** 1.10.6-1ubuntu3.4 500
-         500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 
Packages
-         500 http://archive.ubuntu.com/ubuntu xenial-security/main amd64 
Packages
-         100 /var/lib/dpkg/status
-      1.10.6-1ubuntu3 500
-         500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
+   Telepítve: 1.10.6-1ubuntu3.4
+   Jelölt:    1.10.6-1ubuntu3.4
+   Verziótáblázat:
+  *** 1.10.6-1ubuntu3.4 500
+         500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 
Packages
+         500 http://archive.ubuntu.com/ubuntu xenial-security/main amd64 
Packages
+         100 /var/lib/dpkg/status
+      1.10.6-1ubuntu3 500
+         500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
  ata@HPp:~$ apt-cache policy dbus vlc leafpad thunar
  dbus:
-   Telepítve: 1.10.6-1ubuntu3.4
-   Jelölt:    1.10.6-1ubuntu3.4
-   Verziótáblázat:
-  *** 1.10.6-1ubuntu3.4 500
-         500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 
Packages
-         500 http://archive.ubuntu.com/ubuntu xenial-security/main amd64 
Packages
-         100 /var/lib/dpkg/status
-      1.10.6-1ubuntu3 500
-         500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
+   Telepítve: 1.10.6-1ubuntu3.4
+   Jelölt:    1.10.6-1ubuntu3.4
+   Verziótáblázat:
+  *** 1.10.6-1ubuntu3.4 500
+         500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 
Packages
+         500 http://archive.ubuntu.com/ubuntu xenial-security/main amd64 
Packages
+         100 /var/lib/dpkg/status
+      1.10.6-1ubuntu3 500
+         500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
  vlc:
-   Telepítve: 2.2.2-5ubuntu0.16.04.4
-   Jelölt:    2.2.2-5ubuntu0.16.04.4
-   Verziótáblázat:
-  *** 2.2.2-5ubuntu0.16.04.4 500
-         500 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 
Packages
-         500 http://archive.ubuntu.com/ubuntu xenial-security/universe amd64 
Packages
-         100 /var/lib/dpkg/status
-      2.2.2-5 500
-         500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
+   Telepítve: 2.2.2-5ubuntu0.16.04.4
+   Jelölt:    2.2.2-5ubuntu0.16.04.4
+   Verziótáblázat:
+  *** 2.2.2-5ubuntu0.16.04.4 500
+         500 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 
Packages
+         500 http://archive.ubuntu.com/ubuntu xenial-security/universe amd64 
Packages
+         100 /var/lib/dpkg/status
+      2.2.2-5 500
+         500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
  leafpad:
-   Telepítve: 0.8.18.1-4
-   Jelölt:    0.8.18.1-4
-   Verziótáblázat:
-  *** 0.8.18.1-4 500
-         500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
-         100 /var/lib/dpkg/status
+   Telepítve: 0.8.18.1-4
+   Jelölt:    0.8.18.1-4
+   Verziótáblázat:
+  *** 0.8.18.1-4 500
+         500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
+         100 /var/lib/dpkg/status
  thunar:
-   Telepítve: 1.6.11-0ubuntu0.16.04.2
-   Jelölt:    1.6.11-0ubuntu0.16.04.2
-   Verziótáblázat:
-  *** 1.6.11-0ubuntu0.16.04.2 500
-         500 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 
Packages
-         100 /var/lib/dpkg/status
-      1.6.10-2ubuntu1+patch1 500
-         500 http://ppa.launchpad.net/yuri-sucupira/thunar1.6.10-fix/ubuntu 
xenial/main amd64 Packages
-      1.6.10-2ubuntu1 500
-         500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
+   Telepítve: 1.6.11-0ubuntu0.16.04.2
+   Jelölt:    1.6.11-0ubuntu0.16.04.2
+   Verziótáblázat:
+  *** 1.6.11-0ubuntu0.16.04.2 500
+         500 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 
Packages
+         100 /var/lib/dpkg/status
+      1.6.10-2ubuntu1+patch1 500
+         500 http://ppa.launchpad.net/yuri-sucupira/thunar1.6.10-fix/ubuntu 
xenial/main amd64 Packages
+      1.6.10-2ubuntu1 500
+         500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages

-- 
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Packages, which is subscribed to bcmwl in Ubuntu.
https://bugs.launchpad.net/bugs/1847823

Title:
  High CPU usage of dbus-daemon for minutes after passing a path to a
  program to open

Status in bcmwl package in Ubuntu:
  New

Bug description:
  I can experience very high CPU usage by dbus-daemon and delayed opening of 
programs like leafpad and vlc. CPU usage of dbus-daemon is 100% of a CPU core 
for 3 to 5 minutes if I do one of the below operations:
  a) launching leafpad from thunar to open a text file (double-clicking on the 
file)
  b) running the command "leafpad /path-to-file/file.txt"
  c) launching vlc from thunar to open a video file
  d) pressing Alt+F2 so as to open the Application Launcher
  e) pressing Ctrl+Alt+T to open xfce4-terminal
  f) opening xfce-taskmanager by clicking on the tray widget in xfce4-panel.
  When I experience the above problem, a reboot can solve the problem, but 
sometimes the problem disappears after some time without rebooting.

  I am considering upgrading from Ubuntu 16.04 to 18.04 just to eliminate this 
bug.
  My system is up-to-date.

  High CPU usage of dbus-daemon for minutes after passing a path to a
  program to open.

  ata@HPp:~$ lsb_release -rd
  Description:  Ubuntu 16.04.6 LTS
  Release:      16.04
  ata@HPp:~$ apt-cache policy dbus
  dbus:
    Telepítve: 1.10.6-1ubuntu3.4
    Jelölt:    1.10.6-1ubuntu3.4
    Verziótáblázat:
   *** 1.10.6-1ubuntu3.4 500
          500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 
Packages
          500 http://archive.ubuntu.com/ubuntu xenial-security/main amd64 
Packages
          100 /var/lib/dpkg/status
       1.10.6-1ubuntu3 500
          500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
  ata@HPp:~$ apt-cache policy dbus vlc leafpad thunar
  dbus:
    Telepítve: 1.10.6-1ubuntu3.4
    Jelölt:    1.10.6-1ubuntu3.4
    Verziótáblázat:
   *** 1.10.6-1ubuntu3.4 500
          500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 
Packages
          500 http://archive.ubuntu.com/ubuntu xenial-security/main amd64 
Packages
          100 /var/lib/dpkg/status
       1.10.6-1ubuntu3 500
          500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
  vlc:
    Telepítve: 2.2.2-5ubuntu0.16.04.4
    Jelölt:    2.2.2-5ubuntu0.16.04.4
    Verziótáblázat:
   *** 2.2.2-5ubuntu0.16.04.4 500
          500 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 
Packages
          500 http://archive.ubuntu.com/ubuntu xenial-security/universe amd64 
Packages
          100 /var/lib/dpkg/status
       2.2.2-5 500
          500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
  leafpad:
    Telepítve: 0.8.18.1-4
    Jelölt:    0.8.18.1-4
    Verziótáblázat:
   *** 0.8.18.1-4 500
          500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
          100 /var/lib/dpkg/status
  thunar:
    Telepítve: 1.6.11-0ubuntu0.16.04.2
    Jelölt:    1.6.11-0ubuntu0.16.04.2
    Verziótáblázat:
   *** 1.6.11-0ubuntu0.16.04.2 500
          500 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 
Packages
          100 /var/lib/dpkg/status
       1.6.10-2ubuntu1+patch1 500
          500 http://ppa.launchpad.net/yuri-sucupira/thunar1.6.10-fix/ubuntu 
xenial/main amd64 Packages
       1.6.10-2ubuntu1 500
          500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages

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