Ubuntu
libx11 package

  1. Focal (20.04)
  2. Bug #1782984
  3. Comment #66

Comment 66 for bug 1782984

Revision history for this message
ԜаӀtеr Ⅼарсһуnѕkі (wxl) wrote : Re: PCManFM crashes frequently on Lubuntu 18.04

Can EVERYONE that has the problem confirm something similar to the error:
pcmanfm: xcb_io.c:259: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed.
????

If so we have an upstream bug:
https://sourceforge.net/p/pcmanfm/bugs/1089/