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Description of problem: I had undocked my Thinkpad T440s from an UltraDock with two monitors connected via DisplayPort Version-Release number of selected component: xorg-x11-server-Xorg-1.18.0-2.fc23 Additional info: reporter: libreport-2.6.4 backtrace_rating: 4 cmdline: /usr/libexec/Xorg vt2 -displayfd 3 -auth /run/user/1000/gdm/Xauthority -nolisten tcp -background none -noreset -keeptty -verbose 3 crash_function: flip executable: /usr/libexec/Xorg global_pid: 4318 kernel: 4.4.3-300.fc23.x86_64 runlevel: N 5 type: CCpp uid: 1000 Truncated backtrace: Thread no. 1 (9 frames) #6 flip at sna_present.c:593 #7 sna_present_flip at sna_present.c:721 #8 present_flip at present.c:178 #9 present_execute at present.c:623 #10 present_pixmap at present.c:883 #11 proc_present_pixmap at present_request.c:138 #12 Dispatch at dispatch.c:430 #13 dix_main at main.c:300 #15 _start
Created attachment 1135096 [details] File: backtrace
Created attachment 1135097 [details] File: cgroup
Created attachment 1135098 [details] File: core_backtrace
Created attachment 1135099 [details] File: dso_list
Created attachment 1135100 [details] File: environ
Created attachment 1135101 [details] File: limits
Created attachment 1135102 [details] File: maps
Created attachment 1135103 [details] File: mountinfo
Created attachment 1135104 [details] File: namespaces
Created attachment 1135105 [details] File: open_fds
Created attachment 1135106 [details] File: proc_pid_status
Created attachment 1135107 [details] File: var_log_messages
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Fedora 23 changed to end-of-life (EOL) status on 2016-12-20. Fedora 23 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.