Public bug reported:
Recently I had issues with NetworkManager. When I try to restart or close
NetworkManager, the process hangs. First it sends a SIGTERM to the
NetworkManager process, and after a while it sends SIGKILL, yet nothing
happens. After the attempt to restart/close NetworkManager, the OS behaves
badly:
- journalctl doesn't work, doesn't output anything, SIGTERMing/SIGABRTing/
SIGKILLing it causes the kill command to hang (no matter how many times I try
it), it also hangs the terminal
- 'sudo dmesg' hangs (killing it with SIGKILL/SIGTERM/SIGABRT hangs the kill
command, can't close the terminal)
- the OS won't reboot/suspend/shutdown (it does only after holding the restart
button)
Suspending/rebooting normally/shutdowning normally the laptop hangs the OS
(because of NetworkManager).
What I've tried:
- reinstalling NetworkManager (using --purge)
- deleting ~/.config
- deleting ~/.cache
- installing a version from NetworkManager from Debian (version: 1.8.4.2),
reinstalling NetworkManager from Ubuntu back
affects ubuntu
affects ubuntu/network-manager
affects ubuntu/systemd
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "kernellog.txt"
https://bugs.launchpad.net/bugs/1723644/+attachment/4971187/+files/kernellog.txt
** Attachment added: "journalctl.txt"
https://bugs.launchpad.net/bugs/1723644/+attachment/4971188/+files/journalctl.txt
** Attachment added: "networkmanagerlog.txt"
https://bugs.launchpad.net/bugs/1723644/+attachment/4971189/+files/networkmanagerlog.txt
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https://bugs.launchpad.net/bugs/1723644
Title:
NetworkManager hang
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