#0 0x00007fe56794acf9 in ?? () from /lib/x86_64-linux-gnu/libgcc_s.so.1 No symbol table info available. #1 0x00007fe56794c618 in _Unwind_Backtrace () from /lib/x86_64-linux-gnu/libgcc_s.so.1 No symbol table info available. #2 0x00007fe56900d316 in __GI___backtrace (array=, size=64) at ../sysdeps/x86_64/backtrace.c:109 arg = {array = 0x7ffd65b8c4a0, cfa = 140726310061888, cnt = 3, size = 64} once = 2 #3 0x00005611f706462e in xorg_backtrace () No symbol table info available. #4 0x00005611f7068999 in ?? () No symbol table info available. #5 No locals. #6 0x00000000000023f2 in ?? () No symbol table info available. #7 0x00007fe565353b73 in ?? () from /usr/lib/xorg/modules/drivers/intel_drv.so No symbol table info available. #8 0x00007fe565358362 in ?? () from /usr/lib/xorg/modules/drivers/intel_drv.so No symbol table info available. #9 0x00007fe5653c31af in ?? () from /usr/lib/xorg/modules/drivers/intel_drv.so No symbol table info available. #10 0x00007fe5653d245f in ?? () from /usr/lib/xorg/modules/drivers/intel_drv.so No symbol table info available. #11 0x00005611f7035bcc in ?? () No symbol table info available. #12 0x00005611f70362ee in DRI2CopyRegion () No symbol table info available. #13 0x00005611f70386c3 in ?? () No symbol table info available. #14 0x00005611f6f0818f in ?? () No symbol table info available. #15 0x00005611f6f0c34b in ?? () No symbol table info available. #16 0x00007fe568f178b0 in __libc_start_main (main=0x5611f6ef6690, argc=11, argv=0x7ffd65b8d6a8, init=, fini=, rtld_fini=, stack_end=0x7ffd65b8d698) at libc-start.c:291 result = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 4820904202962353333, 94635157317280, 140726310065824, 0, 0, 1242553329756814517, 1229048635217558709}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x5611f7075860 <__libc_csu_init>, 0x7ffd65b8d6a8}, data = {prev = 0x0, cleanup = 0x0, canceltype = -150513568}}} not_first_call = #17 0x00005611f6ef66c9 in _start () No symbol table info available.