GNU gdb (GDB) 8.1 Copyright (C) 2018 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-pc-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /usr/bin/Xwayland...done. [New LWP 18651] [New LWP 18653] [New LWP 18655] [New LWP 18652] [New LWP 18654] [New LWP 18656] [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". Core was generated by `/usr/bin/Xwayland :0 -rootless -terminate -accessx -core -listen 4 -listen 5 -d'. Program terminated with signal SIGABRT, Aborted. #0 0x00007f8eba52286b in raise () from /usr/lib/libc.so.6 [Current thread is 1 (Thread 0x7f8ebcd5ad00 (LWP 18651))] Thread 6 (Thread 0x7f8e9ffff700 (LWP 18656)): #0 0x00007f8eba2daffc in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 No symbol table info available. #1 0x00007f8eae0d0994 in ?? () from /usr/lib/dri/swrast_dri.so No symbol table info available. #2 0x00007f8eae0d08d8 in ?? () from /usr/lib/dri/swrast_dri.so No symbol table info available. #3 0x00007f8eba2d5075 in start_thread () from /usr/lib/libpthread.so.0 No symbol table info available. #4 0x00007f8eba5e453f in clone () from /usr/lib/libc.so.6 No symbol table info available. Thread 5 (Thread 0x7f8ea6926700 (LWP 18654)): #0 0x00007f8eba2daffc in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 No symbol table info available. #1 0x00007f8eae0d0994 in ?? () from /usr/lib/dri/swrast_dri.so No symbol table info available. #2 0x00007f8eae0d08d8 in ?? () from /usr/lib/dri/swrast_dri.so No symbol table info available. #3 0x00007f8eba2d5075 in start_thread () from /usr/lib/libpthread.so.0 No symbol table info available. #4 0x00007f8eba5e453f in clone () from /usr/lib/libc.so.6 No symbol table info available. Thread 4 (Thread 0x7f8eb4b12700 (LWP 18652)): #0 0x00007f8eba2daffc in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 No symbol table info available. #1 0x00007f8eb5b36124 in ?? () from /usr/lib/dri/i965_dri.so No symbol table info available. #2 0x00007f8eb5b35e18 in ?? () from /usr/lib/dri/i965_dri.so No symbol table info available. #3 0x00007f8eba2d5075 in start_thread () from /usr/lib/libpthread.so.0 No symbol table info available. #4 0x00007f8eba5e453f in clone () from /usr/lib/libc.so.6 No symbol table info available. Thread 3 (Thread 0x7f8ea6125700 (LWP 18655)): #0 0x00007f8eba2daffc in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 No symbol table info available. #1 0x00007f8eae0d0994 in ?? () from /usr/lib/dri/swrast_dri.so No symbol table info available. #2 0x00007f8eae0d08d8 in ?? () from /usr/lib/dri/swrast_dri.so No symbol table info available. #3 0x00007f8eba2d5075 in start_thread () from /usr/lib/libpthread.so.0 No symbol table info available. #4 0x00007f8eba5e453f in clone () from /usr/lib/libc.so.6 No symbol table info available. Thread 2 (Thread 0x7f8ea7127700 (LWP 18653)): #0 0x00007f8eba2daffc in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 No symbol table info available. #1 0x00007f8eae0d0994 in ?? () from /usr/lib/dri/swrast_dri.so No symbol table info available. #2 0x00007f8eae0d08d8 in ?? () from /usr/lib/dri/swrast_dri.so No symbol table info available. #3 0x00007f8eba2d5075 in start_thread () from /usr/lib/libpthread.so.0 No symbol table info available. #4 0x00007f8eba5e453f in clone () from /usr/lib/libc.so.6 No symbol table info available. Thread 1 (Thread 0x7f8ebcd5ad00 (LWP 18651)): #0 0x00007f8eba52286b in raise () from /usr/lib/libc.so.6 No symbol table info available. #1 0x00007f8eba50d40e in abort () from /usr/lib/libc.so.6 No symbol table info available. #2 0x000055ee74264e01 in OsAbort () at ../xorg-server-1.20.0/os/utils.c:1350 No locals. #3 0x000055ee7426e8e3 in AbortServer () at ../xorg-server-1.20.0/os/log.c:877 No locals. #4 0x000055ee7426ee00 in FatalError (f=0x55ee742cfc60 "Caught signal %d (%s). Server aborting\n") at ../xorg-server-1.20.0/os/log.c:1015 args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7ffcac3a3e00, reg_save_area = 0x7ffcac3a3d40}} args2 = {{gp_offset = 8, fp_offset = 48, overflow_arg_area = 0x7ffcac3a3e00, reg_save_area = 0x7ffcac3a3d40}} beenhere = 1 #5 0x000055ee74261087 in OsSigHandler (signo=11, sip=0x7ffcac3a3f70, unused=0x7ffcac3a3e40) at ../xorg-server-1.20.0/os/osinit.c:156 No locals. #6 No symbol table info available. #7 0x000055ee740a45e3 in glamor_get_drawable_pixmap (drawable=0xffffff00ffffff) at ../xorg-server-1.20.0/glamor/glamor.c:71 No locals. #8 0x000055ee740bb2b8 in glamor_finish_access (drawable=0xffffff00ffffff) at ../xorg-server-1.20.0/glamor/glamor_prepare.c:203 No locals. #9 0x000055ee740bb488 in glamor_finish_access_gc (gc=0x55ee74e025a0) at ../xorg-server-1.20.0/glamor/glamor_prepare.c:284 No locals. #10 0x000055ee740bd267 in glamor_poly_fill_rect_bail (drawable=0x55ee74d4ed20, gc=0x55ee74e025a0, nrect=1, prect=0x55ee74d20ce0) at ../xorg-server-1.20.0/glamor/glamor_rects.c:176 __FUNCTION__ = "glamor_poly_fill_rect_bail" #11 0x000055ee740bd2bf in glamor_poly_fill_rect (drawable=0x55ee74d4ed20, gc=0x55ee74e025a0, nrect=1, prect=0x55ee74d20ce0) at ../xorg-server-1.20.0/glamor/glamor_rects.c:186 No locals. #12 0x000055ee7419b082 in damagePolyFillRect (pDrawable=0x55ee74d4ed20, pGC=0x55ee74e025a0, nRects=1, pRects=0x55ee74d20ce0) at ../xorg-server-1.20.0/miext/damage/damage.c:1204 pGCPriv = 0x55ee74e02630 oldFuncs = 0x55ee7452e5a0 #13 0x000055ee74121635 in ProcPolyFillRectangle (client=0x55ee74cf56e0) at ../xorg-server-1.20.0/dix/dispatch.c:1933 things = 1 pGC = 0x55ee74e025a0 pDraw = 0x55ee74d4ed20 stuff = 0x55ee74d20cd4 #14 0x000055ee7411d115 in Dispatch () at ../xorg-server-1.20.0/dix/dispatch.c:479 result = 0 client = 0x55ee74cf56e0 start_tick = 285 #15 0x000055ee7412c07f in dix_main (argc=12, argv=0x7ffcac3a4808, envp=0x7ffcac3a4870) at ../xorg-server-1.20.0/dix/main.c:276 i = 1 alwaysCheckForInput = {0, 1} #16 0x000055ee740a430a in main (argc=12, argv=0x7ffcac3a4808, envp=0x7ffcac3a4870) at ../xorg-server-1.20.0/dix/stubmain.c:34 No locals.