pkexec hanging in gnome 3.28 & xorg, takes forever to proceed, how to fix it?












2















After the OS is running for a while, it may trigger for a bug that caused pkexec (including any application that use it, including synaptic) to hang. This can only be recovered from relaunching OS or gnome-shell.



This is a screenshot that describe this situation:




xhost +si:localuser:root
pkexec synaptic



enter image description here



I remember the same error in Manjaro with gnome 3.28, it disappeared in gnome 3.30. How do I backport the fix (if there is any) to Ubuntu 18.04?



UPDATE 1



these are my desktop environment:



$ export | grep XDG_SESS
declare -x XDG_SESSION_DESKTOP="ubuntu"
declare -x XDG_SESSION_ID="1"
declare -x XDG_SESSION_TYPE="x11"


... and synaptics version



$ apt-cache policy synaptic
synaptic:
Installed: 0.84.3ubuntu1
Candidate: 0.84.3ubuntu1
Version table:
*** 0.84.3ubuntu1 500
500 http://archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
100 /var/lib/dpkg/status
peng@peng-ThinkPad-P51s:~$









share|improve this question

























  • Are you running Wayland? What graphical session do you use? Please add output of export | grep XDG_SESS to the question. What is the version of Synaptics? Add output of apt-cache policy synaptic to the question. Have you read this Q&A? I can't reproduce your issue on clean 18.04 LTS with Unity, Ubuntu and GNOME FlashBack sessions (with all sorts of Xorg and Wayland). Do you have GNOME related PPAs?

    – N0rbert
    Jan 20 at 8:57











  • I myself sometimes cannot reproduce it, it only appears after running for a while after resuming from sleep

    – tribbloid
    Jan 30 at 23:28
















2















After the OS is running for a while, it may trigger for a bug that caused pkexec (including any application that use it, including synaptic) to hang. This can only be recovered from relaunching OS or gnome-shell.



This is a screenshot that describe this situation:




xhost +si:localuser:root
pkexec synaptic



enter image description here



I remember the same error in Manjaro with gnome 3.28, it disappeared in gnome 3.30. How do I backport the fix (if there is any) to Ubuntu 18.04?



UPDATE 1



these are my desktop environment:



$ export | grep XDG_SESS
declare -x XDG_SESSION_DESKTOP="ubuntu"
declare -x XDG_SESSION_ID="1"
declare -x XDG_SESSION_TYPE="x11"


... and synaptics version



$ apt-cache policy synaptic
synaptic:
Installed: 0.84.3ubuntu1
Candidate: 0.84.3ubuntu1
Version table:
*** 0.84.3ubuntu1 500
500 http://archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
100 /var/lib/dpkg/status
peng@peng-ThinkPad-P51s:~$









share|improve this question

























  • Are you running Wayland? What graphical session do you use? Please add output of export | grep XDG_SESS to the question. What is the version of Synaptics? Add output of apt-cache policy synaptic to the question. Have you read this Q&A? I can't reproduce your issue on clean 18.04 LTS with Unity, Ubuntu and GNOME FlashBack sessions (with all sorts of Xorg and Wayland). Do you have GNOME related PPAs?

    – N0rbert
    Jan 20 at 8:57











  • I myself sometimes cannot reproduce it, it only appears after running for a while after resuming from sleep

    – tribbloid
    Jan 30 at 23:28














2












2








2








After the OS is running for a while, it may trigger for a bug that caused pkexec (including any application that use it, including synaptic) to hang. This can only be recovered from relaunching OS or gnome-shell.



This is a screenshot that describe this situation:




xhost +si:localuser:root
pkexec synaptic



enter image description here



I remember the same error in Manjaro with gnome 3.28, it disappeared in gnome 3.30. How do I backport the fix (if there is any) to Ubuntu 18.04?



UPDATE 1



these are my desktop environment:



$ export | grep XDG_SESS
declare -x XDG_SESSION_DESKTOP="ubuntu"
declare -x XDG_SESSION_ID="1"
declare -x XDG_SESSION_TYPE="x11"


... and synaptics version



$ apt-cache policy synaptic
synaptic:
Installed: 0.84.3ubuntu1
Candidate: 0.84.3ubuntu1
Version table:
*** 0.84.3ubuntu1 500
500 http://archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
100 /var/lib/dpkg/status
peng@peng-ThinkPad-P51s:~$









share|improve this question
















After the OS is running for a while, it may trigger for a bug that caused pkexec (including any application that use it, including synaptic) to hang. This can only be recovered from relaunching OS or gnome-shell.



This is a screenshot that describe this situation:




xhost +si:localuser:root
pkexec synaptic



enter image description here



I remember the same error in Manjaro with gnome 3.28, it disappeared in gnome 3.30. How do I backport the fix (if there is any) to Ubuntu 18.04?



UPDATE 1



these are my desktop environment:



$ export | grep XDG_SESS
declare -x XDG_SESSION_DESKTOP="ubuntu"
declare -x XDG_SESSION_ID="1"
declare -x XDG_SESSION_TYPE="x11"


... and synaptics version



$ apt-cache policy synaptic
synaptic:
Installed: 0.84.3ubuntu1
Candidate: 0.84.3ubuntu1
Version table:
*** 0.84.3ubuntu1 500
500 http://archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
100 /var/lib/dpkg/status
peng@peng-ThinkPad-P51s:~$






18.04 synaptic pkexec deadlock






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Jan 30 at 23:26







tribbloid

















asked Jan 19 at 21:25









tribbloidtribbloid

1315




1315













  • Are you running Wayland? What graphical session do you use? Please add output of export | grep XDG_SESS to the question. What is the version of Synaptics? Add output of apt-cache policy synaptic to the question. Have you read this Q&A? I can't reproduce your issue on clean 18.04 LTS with Unity, Ubuntu and GNOME FlashBack sessions (with all sorts of Xorg and Wayland). Do you have GNOME related PPAs?

    – N0rbert
    Jan 20 at 8:57











  • I myself sometimes cannot reproduce it, it only appears after running for a while after resuming from sleep

    – tribbloid
    Jan 30 at 23:28



















  • Are you running Wayland? What graphical session do you use? Please add output of export | grep XDG_SESS to the question. What is the version of Synaptics? Add output of apt-cache policy synaptic to the question. Have you read this Q&A? I can't reproduce your issue on clean 18.04 LTS with Unity, Ubuntu and GNOME FlashBack sessions (with all sorts of Xorg and Wayland). Do you have GNOME related PPAs?

    – N0rbert
    Jan 20 at 8:57











  • I myself sometimes cannot reproduce it, it only appears after running for a while after resuming from sleep

    – tribbloid
    Jan 30 at 23:28

















Are you running Wayland? What graphical session do you use? Please add output of export | grep XDG_SESS to the question. What is the version of Synaptics? Add output of apt-cache policy synaptic to the question. Have you read this Q&A? I can't reproduce your issue on clean 18.04 LTS with Unity, Ubuntu and GNOME FlashBack sessions (with all sorts of Xorg and Wayland). Do you have GNOME related PPAs?

– N0rbert
Jan 20 at 8:57





Are you running Wayland? What graphical session do you use? Please add output of export | grep XDG_SESS to the question. What is the version of Synaptics? Add output of apt-cache policy synaptic to the question. Have you read this Q&A? I can't reproduce your issue on clean 18.04 LTS with Unity, Ubuntu and GNOME FlashBack sessions (with all sorts of Xorg and Wayland). Do you have GNOME related PPAs?

– N0rbert
Jan 20 at 8:57













I myself sometimes cannot reproduce it, it only appears after running for a while after resuming from sleep

– tribbloid
Jan 30 at 23:28





I myself sometimes cannot reproduce it, it only appears after running for a while after resuming from sleep

– tribbloid
Jan 30 at 23:28










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