GNU gdb (Debian 8.1-4) 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 "aarch64-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"... "/usr/bin/Xorg": not in executable format: File format not recognized Attaching to process 3107 [New LWP 3108] [New LWP 3109] [New LWP 3110] [New LWP 3111] [New LWP 3112] [New LWP 3113] [New LWP 3114] [New LWP 3115] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1". ioctl () at ../sysdeps/unix/sysv/linux/aarch64/ioctl.S:25 25 ../sysdeps/unix/sysv/linux/aarch64/ioctl.S: No such file or directory. (gdb) bt #0 ioctl () at ../sysdeps/unix/sysv/linux/aarch64/ioctl.S:25 #1 0x0000ffff81462334 in drmIoctl () from /lib/aarch64-linux-gnu/libdrm.so.2 #2 0x0000ffff8082f6b4 in amdgpu_cs_query_fence_status () from /lib/aarch64-linux-gnu/libdrm_amdgpu.so.1 #3 0x0000ffff8020c7f8 in ?? () from /usr/lib/aarch64-linux-gnu/dri/radeonsi_dri.so #4 0x0000ffff800ea48c in ?? () from /usr/lib/aarch64-linux-gnu/dri/radeonsi_dri.so #5 0x0000ffff7fc56448 in ?? () from /usr/lib/aarch64-linux-gnu/dri/radeonsi_dri.so #6 0x0000ffff7fc564ac in ?? () from /usr/lib/aarch64-linux-gnu/dri/radeonsi_dri.so #7 0x0000ffff8085d25c in ?? () from /usr/lib/xorg/modules/drivers/amdgpu_drv.so #8 0x0000ffff80850ca8 in ?? () from /usr/lib/xorg/modules/drivers/amdgpu_drv.so #9 0x0000aaaab4c74348 in MapWindow () #10 0x0000aaaab4c4d820 in ?? () #11 0x0000ffff8106b720 in __libc_start_main (main=0x0, argc=0, argv=0x0, init=, fini=, rtld_fini=, stack_end=) at ../csu/libc-start.c:310 #12 0x0000aaaab4c37360 in _start () Backtrace stopped: previous frame identical to this frame (corrupt stack?)