Comment 69 for bug 1782984

Hello,

I have the same problem. When PCManFM is used, it crashes after approximately one hour.

The file ~/.cache/lxsession/LXDE/run.log contains:
[xcb] Unknown sequence number while processing queue
[xcb] Most likely this is a multi-threaded client and XInitThreads has not been called
[xcb] Aborting, sorry about that.
pcmanfm: ../../src/xcb_io.c :259 : poll_for_event: l'assertion « !xcb_xlib_threads_sequence_lost » a échoué.
** Message: 17:49:25.678: app.vala:130: pcmanfm exit with this type of exit: 6
** Message: 17:49:25.678: app.vala:148: Exit not normal, try to reload
** Message: 17:49:25.679: app.vala:76: Launching pcmanfm

The command "lsb_release -a" indicates:
  No LSB modules are available.
  Distributor ID: Ubuntu
  Description: Ubuntu 18.04.2 LTS
  Release: 18.04
  Codename: bionic

The command "dpkg -l | grep pcman" indicates:
  ii pcmanfm 1.2.5-3ubuntu1 amd64 extremely fast and lightweight file manager

I used PCManFM several years without problems. During the last month or two (not very precise), it crashed some times. But this WE, I had to intensively use PCManFM, so the crash occurred 5 times.

Hope this helps.
Thank you.