. Thread 1 (Thread 1617): #0 0x00007f4bdcd4bc55 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 resultvar = 0 pid = selftid = 1617 #1 0x00007f4bdcd4fa06 in abort () at abort.c:92 save_stage = 2 act = {__sigaction_handler = {sa_handler = 0x80, sa_sigaction = 0x80}, sa_mask = {__val = {139963805448590, 139963836792688, 139963805440474, 140735022118992, 139963804411842, 206158430232, 140735022119008, 140735022118784, 139963804323028, 206158430256, 140735022119032, 26264448, 139963807797664, 177, 2891360576928572270, 140735022123712}}, sa_flags = -588801574, sa_restorer = 0x7f4bdec5fb8b} sigs = {__val = {32, 0 }} #2 0x00007f4bdcd44715 in __assert_fail (assertion=0x7f4bdec5fbf8 "(((long) (dpy->xcb->pending_requests_tail->sequence) - (long) (node->sequence)) < 0)", file=, line=128, function=) at assert.c:81 buf = 0x190c380 "amdcccle: ../../src/xcb_io.c:128: append_pending_request: Assertion `(((long) (dpy->xcb->pending_requests_tail->sequence) - (long) (node->sequence)) < 0)' failed.\n" #3 0x00007f4bdebebbf3 in append_pending_request (dpy=0x18dcad0, sequence=753) at ../../src/xcb_io.c:128 node = __PRETTY_FUNCTION__ = "append_pending_request" #4 0x00007f4bdebec920 in _XReply (dpy=0x18dcad0, rep=0x7fff6d003970, extra=0, discard=1) at ../../src/xcb_io.c:524 error = c = 0x18db810 reply = current = __PRETTY_FUNCTION__ = "_XReply" #5 0x00007f4bdebe1cad in XQueryExtension (dpy=0x18dcad0, name=0x7f4bde805852 "GLX", major_opcode=0x7fff6d0039d4, first_event=0x7fff6d0039d8, first_error=0x7fff6d0039dc) at ../../src/QuExt.c:48 rep = {type = 200 '\310', pad1 = 101 'e', sequenceNumber = 56530, length = 32587, present = 160 '\240', major_opcode = 145 '\221', first_event = 11 '\v', first_error = 221 '\335', pad3 = 32587, pad4 = 26069712, pad5 = 0, pad6 = 32, pad7 = 0} req = 0x18e4bc0 #6 0x00007f4bdebd54b5 in XInitExtension (dpy=0x18dcad0, name=0x7f4bde805852 "GLX") at ../../src/InitExt.c:47 codes = {extension = -523590416, major_opcode = 32587, first_event = -560736128, first_error = 32587} ext = #7 0x00007f4bdeef373b in XextAddDisplay (extinfo=0x19dbcb0, dpy=0x18dcad0, ext_name=0x7f4bde805852 "GLX", hooks=0x7f4bde93d880, nevents=17, data=0x0) at ../../src/extutil.c:110 dpyinfo = 0x186f2e0 #8 0x00007f4bde7abd99 in ?? () from /usr/lib/fglrx/libGL.so.1 No symbol table info available. #9 0x00007f4bde7a3112 in ?? () from /usr/lib/fglrx/libGL.so.1 No symbol table info available. #10 0x00007fff6d003d40 in ?? () No symbol table info available. #11 0x00007f4bde8057d1 in ?? () from /usr/lib/fglrx/libGL.so.1 No symbol table info available. #12 0x00007fff6d003d40 in ?? () No symbol table info available. #13 0x00007f4be0aace1c in ?? () from /lib64/ld-linux-x86-64.so.2 No symbol table info available. Backtrace stopped: previous frame inner to this frame (corrupt stack?)