Description of problem: When I run fluxbox, I sometimes cannot start graphical apps anymore (not even xterm). When I have a xterm open and try to start it from there, I get the error messages "No protocol specified" and "Connection refused :0.0" Version-Release number of selected component (if applicable): How reproducible: Randomly. I could not figure out so far when or under which circumstances this occurs. Steps to Reproduce: 1. Start fluxbox after boot and login. 2. Open some graphical apps or just xterm. 3. After a while, I cannot start any graphical app anymore. After rebooting, it works again (at least for a while). Actual results: Cannot start any graphical app after a while in fluxbox sometimes. Expected results: Should be able to start any graphical app for the whole fluxbox / X session. Additional info: The machine - a Lenovo E330 - was upgraded from FC20 to FC 23 (FC20->FC21->FC22->FC23) a few days ago. The only way to get a normal behavior seems to be a reboot.
Created attachment 1119142 [details] X log file
$ uname -a Linux localhost 4.3.3-301.fc23.x86_64 #1 SMP Fri Jan 15 14:03:17 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux $ rpm -qa | grep fluxbox fluxbox-1.3.6-3.fc23.x86_64 The X version is 1.18.0-2.fc23.
After today's 'dnf update' (which included a kernel update to 4.3.3-303.fc23.x86_64), the error message changed to: "Invalid MIT-MAGIC-COOKIE-1 key Unable to init server: Verbindung ist gescheitert [Connection failed]:Verbindungsaufbau abgelehnt [Connection refused] Error: cannot open display: :0.0" It is now enough to restart fluxbox, so rebooting is not necessary. And it also became an almost permanent issue, which makes the machine more or less unusable after a short while.
Is there anything I can provide with? Other logfiles or more information? It happens pretty often and is very annoying.
Created attachment 1134176 [details] Fluxbos crash - extract from journalctl
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