This is possibly unrelated, but I just realised that apport-bug printed out some errors during the report. I’m putting them here in case it out help.
$ apport-bug pcmanfm [9845:9845:0328/223211.975496:ERROR:sandbox_linux.cc(364)] InitializeSandbox() called with multiple threads in process gpu-process. [9806:9806:0328/224247.534916:ERROR:event_router.cc(741)] Event dispatched while shutting down extensions browser client. [9806:9806:0328/224247.534994:ERROR:event_router.cc(741)] Event dispatched while shutting down extensions browser client. [9806:9806:0328/224247.636013:ERROR:http_bridge.cc(126)] Not implemented reached in virtual void syncer::HttpBridgeFactory::OnSignalReceived() -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1822206 Title: pcmanfm suddenly froze when opening a folder To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pcmanfm/+bug/1822206/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
