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Reading symbols from Xwayland...Reading symbols from /usr/lib/debug//usr/bin/Xwayland.debug...done.
done.
[New LWP 2415]
[New LWP 2414]
Core was generated by `Xwayland :0 -rootless -terminate -listen 13 -listen 14 -wm 64'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f744c8ae3b1 in ?? ()
   from /usr/lib/xorg/modules/dri/i965_dri.so
[Current thread is 1 (LWP 2415)]
(gdb) bt
#0  0x00007f744c8ae3b1 in ?? ()
   from /usr/lib/xorg/modules/dri/i965_dri.so
#1  0x00007f744c8ae74b in ?? ()
   from /usr/lib/xorg/modules/dri/i965_dri.so
#2  0x00007f744c8b4b71 in ?? ()
   from /usr/lib/xorg/modules/dri/i965_dri.so
#3  0x00007f744c8b47a8 in ?? ()
   from /usr/lib/xorg/modules/dri/i965_dri.so
#4  0x00007f745038b95b in start (p=<optimized out>)
    at src/thread/pthread_create.c:147
#5  0x00007f745038d844 in __clone () at src/thread/x86_64/clone.s:21
Backtrace stopped: frame did not save the PC
(gdb) quit