Program received signal SIGSEGV, Segmentation fault. 0x00007f25fa915124 in __glXDRIinvalidateBuffers (pDraw=0x1bbde40, priv=0x1b9e520) at ../../glx/glxdri2.c:423 423 ../../glx/glxdri2.c: No such file or directory. in ../../glx/glxdri2.c (gdb) bt full #0 0x00007f25fa915124 in __glXDRIinvalidateBuffers (pDraw=0x1bbde40, priv=0x1b9e520) at ../../glx/glxdri2.c:423 private = 0x1b9e520 screen = 0x0 #1 0x00007f25fa0b5aca in DRI2InvalidateDrawable (pDraw=0x1bbde40) at ../../../../hw/xfree86/dri2/dri2.c:552 pPriv = 0x1ba71e0 ref = #2 0x00007f25fa0b5b97 in DRI2ConfigNotify (pWin=0x1bbde40, x=, y=, w=658, h=1583, bw=, pSib=0x1b9e770) at ../../../../hw/xfree86/dri2/dri2.c:1072 pDraw = 0x1bbde40 pScreen = 0x18a7480 ds = 0x18a7980 dd = 0x1ba71e0 ret = #3 0x00000000004bc783 in compConfigNotify (pWin=0x1bbde40, x=, y=15, w=, h=1583, bw=1, pSib=0x1b9e770) at ../../composite/compwindow.c:812 pScreen = 0x18a7480 cs = 0x18dab80 ret = 0 pParent = 0x18fa0f0 draw_x = draw_y = alloc_ret = #4 0x000000000045e2d2 in ConfigureWindow (pWin=, mask=31, vlist=, client=0x1b085a0) at ../../dix/window.c:2407 ret = pSib = 0x1b9e770 pParent = sibwid = index2 = tmask = pVlist = x = 0 y = 15 beforeX = 0 beforeY = 15 w = 658 h = 1583 bw = 1 rc = action = 2 smode = event = {u = {u = {type = 23 '\027', detail = 0 '\000', sequenceNumber = 0}, keyButtonPointer = {pad00 = 23, time = 337, root = 8388610, event = 0, child = 983040, rootX = 658, rootY = 1583, eventX = 1, eventY = 31, state = 0, sameScreen = 0 '\000', pad1 = 0 '\000'}, enterLeave = {pad00 = 23, time = 337, root = 8388610, event = 0, child = 983040, rootX = 658, rootY = 1583, eventX = 1, eventY = 31, state = 0, mode = 0 '\000', flags = 0 '\000'}, focus = {pad00 = 23, window = 337, mode = 2 '\002', pad1 = 0 '\000', pad2 = 128 '\200', pad3 = 0 '\000'}, expose = {pad00 = 23, window = 337, x = 2, y = 128, width = 0, height = 0, count = 0, pad2 = 15}, graphicsExposure = {pad00 = 23, drawable = 337, x = 2, y = 128, width = 0, height = 0, minorEvent = 0, count = 15, majorEvent = 146 '\222', pad1 = 2 '\002', pad2 = 47 '/', pad3 = 6 '\006'}, noExposure = {pad00 = 23, drawable = 337, minorEvent = 2, majorEvent = 128 '\200', bpad = 0 '\000'}, visibility = {pad00 = 23, window = 337, state = 2 '\002', pad1 = 0 '\000', pad2 = 128 '\200', pad3 = 0 '\000'}, createNotify = {pad00 = 23, parent = 337, window = 8388610, x = 0, y = 0, width = 0, height = 15, borderWidth = 658, override = 47 '/', bpad = 6 '\006'}, destroyNotify = {pad00 = 23, event = 337, window = 8388610}, unmapNotify = {pad00 = 23, event = 337, window = 8388610, fromConfigure = 0 '\000', pad1 = 0 '\000', pad2 = 0 '\000', pad3 = 0 '\000'}, mapNotify = {pad00 = 23, event = 337, window = 8388610, override = 0 '\000', pad1 = 0 '\000', pad2 = 0 '\000', pad3 = 0 '\000'}, mapRequest = {pad00 = 23, parent = 337, window = 8388610}, reparent = {pad00 = 23, event = 337, window = 8388610, parent = 0, x = 0, y = 15, override = 146 '\222', pad1 = 2 '\002', pad2 = 47 '/', pad3 = 6 '\006'}, configureNotify = { pad00 = 23, event = 337, window = 8388610, aboveSibling = 0, x = 0, y = 15, width = 658, height = 1583, borderWidth = 1, override = 31 '\037', bpad = 0 '\000'}, configureRequest = {pad00 = 23, parent = 337, window = 8388610, sibling = 0, x = 0, y = 15, width = 658, height = 1583, borderWidth = 1, valueMask = 31, pad1 = 0}, gravity = {pad00 = 23, event = 337, window = 8388610, x = 0, y = 0, pad1 = 983040, pad2 = 103744146, pad3 = 2031617, pad4 = 0}, resizeRequest = {pad00 = 23, window = 337, width = 2, height = 128}, circulate = {pad00 = 23, event = 337, window = 8388610, parent = 0, place = 0 '\000', pad1 = 0 '\000', pad2 = 15 '\017', pad3 = 0 '\000'}, property = {pad00 = 23, window = 337, atom = 8388610, time = 0, state = 0 '\000', pad1 = 0 '\000', pad2 = 15}, selectionClear = {pad00 = 23, time = 337, window = 8388610, atom = 0}, selectionRequest = {pad00 = 23, time = 337, owner = 8388610, requestor = 0, selection = 983040, target = 103744146, property = 2031617}, selectionNotify = {pad00 = 23, time = 337, requestor = 8388610, selection = 0, target = 983040, property = 103744146}, colormap = {pad00 = 23, window = 337, colormap = 8388610, new = 0 '\000', state = 0 '\000', pad1 = 0 '\000', pad2 = 0 '\000'}, mappingNotify = {pad00 = 23, request = 81 'Q', firstKeyCode = 1 '\001', count = 0 '\000', pad1 = 0 '\000'}, clientMessage = {pad00 = 23, window = 337, u = {l = {type = 8388610, longs0 = 0, longs1 = 983040, longs2 = 103744146, longs3 = 2031617, longs4 = 0}, s = {type = 8388610, shorts0 = 0, shorts1 = 0, shorts2 = 0, shorts3 = 15, shorts4 = 658, shorts5 = 1583, shorts6 = 1, shorts7 = 31, shorts8 = 0, shorts9 = 0}, b = {type = 8388610, bytes = "\000\000\000\000\000\000\017\000\222\002/\006\001\000\037\000\000\000\000"}}}}} #5 0x000000000043257b in ProcConfigureWindow (client=0x1b085a0) at ../../dix/dispatch.c:876 pWin = 0x1bbde40 stuff = 0x1ae9870 len = 5 rc = #6 0x0000000000437ae9 in Dispatch () at ../../dix/dispatch.c:432 clientReady = 0x1afe770 result = client = 0x1b085a0 nready = 0 icheck = 0x7eadd0 start_tick = 1060 #7 0x0000000000426eaa in main (argc=2, argv=, envp=) at ../../dix/main.c:287 i = alwaysCheckForInput = {0, 1} (gdb) c Continuing. Backtrace: 0: X (xorg_backtrace+0x26) [0x5689d6] 1: X (0x400000+0x16c5c9) [0x56c5c9] 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f25fd144000+0xf020) [0x7f25fd153020] 3: /usr/lib/xorg/modules/extensions/libglx.so (0x7f25fa8d7000+0x3e124) [0x7f25fa915124] 4: /usr/lib/xorg/modules/extensions/libdri2.so (0x7f25fa0b4000+0x1aca) [0x7f25fa0b5aca] 5: /usr/lib/xorg/modules/extensions/libdri2.so (0x7f25fa0b4000+0x1b97) [0x7f25fa0b5b97] 6: X (0x400000+0xbc783) [0x4bc783] 7: X (ConfigureWindow+0x222) [0x45e2d2] 8: X (0x400000+0x3257b) [0x43257b] 9: X (0x400000+0x37ae9) [0x437ae9] 10: X (0x400000+0x26eaa) [0x426eaa] 11: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xfd) [0x7f25fbe81ead] 12: X (0x400000+0x2719d) [0x42719d] Segmentation fault at address 0xa8 Fatal server error: Caught signal 11 (Segmentation fault). Server aborting