Description of problem: After attaching second composite HID device (mouse+keyboard) run following command in console: # xinput create-master <name> # xinput reattach <dev_id> <master_id> (crash) Command should split control to 2 devices but rather than this screen flickers then X server crashes. Version-Release number of selected component: xorg-x11-server-Xorg-1.14.4-10.fc20 Additional info: reporter: libreport-2.2.2 backtrace_rating: 4 cmdline: /usr/bin/Xorg :0 -background none -verbose -auth /run/gdm/auth-for-gdm-1OLnnL/database -seat seat0 -nolisten tcp vt1 executable: /usr/bin/Xorg kernel: 3.14.7-200.fc20.x86_64 open_fds: runlevel: N 5 type: CCpp uid: 0 Truncated backtrace: Thread no. 1 (10 frames) #9 GetBarrierDevice at xibarriers.c:135 #10 input_constrain_cursor at xibarriers.c:487 #11 miPointerSetPosition at mipointer.c:604 #12 positionSprite at getevents.c:1006 #14 fill_pointer_events at getevents.c:1508 #15 GetPointerEvents at getevents.c:1758 #16 QueuePointerEvents at getevents.c:1355 #17 xf86PostButtonEventM at xf86Xinput.c:1267 #18 xf86PostButtonEvent at xf86Xinput.c:1225 #19 EvdevPostQueuedEvents at evdev.c:953
Created attachment 913019 [details] File: backtrace
Created attachment 913020 [details] File: cgroup
Created attachment 913021 [details] File: core_backtrace
Created attachment 913022 [details] File: dso_list
Created attachment 913023 [details] File: environ
Created attachment 913024 [details] File: limits
Created attachment 913025 [details] File: maps
Created attachment 913026 [details] File: proc_pid_status
Created attachment 913027 [details] File: var_log_messages
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